diff --git a/core/server/api/canary/utils/serializers/input/utils/url.js b/core/server/api/canary/utils/serializers/input/utils/url.js
index 7968b28001..bec5eeb5d3 100644
--- a/core/server/api/canary/utils/serializers/input/utils/url.js
+++ b/core/server/api/canary/utils/serializers/input/utils/url.js
@@ -1,23 +1,5 @@
-const _ = require('lodash');
-const url = require('url');
 const urlUtils = require('../../../../../../lib/url-utils');
 
-const handleCanonicalUrl = (canonicalUrl) => {
-    const blogURl = urlUtils.getSiteUrl();
-    const isSameProtocol = url.parse(canonicalUrl).protocol === url.parse(blogURl).protocol;
-    const blogDomain = blogURl.replace(/^http(s?):\/\//, '').replace(/\/$/, '');
-    const absolute = canonicalUrl.replace(/^http(s?):\/\//, '');
-
-    // We only want to transform to a relative URL when the canonical URL matches the current
-    // Blog URL incl. the same protocol. This allows users to keep e.g. Facebook comments after
-    // a http -> https switch
-    if (absolute.startsWith(blogDomain) && isSameProtocol) {
-        return urlUtils.absoluteToRelative(canonicalUrl);
-    }
-
-    return canonicalUrl;
-};
-
 const handleImageUrl = (imageUrl) => {
     const blogDomain = urlUtils.getSiteUrl().replace(/^http(s?):\/\//, '').replace(/\/$/, '');
     const imageUrlAbsolute = imageUrl.replace(/^http(s?):\/\//, '');
@@ -30,44 +12,7 @@ const handleImageUrl = (imageUrl) => {
     return imageUrl;
 };
 
-const handleContentUrls = (content) => {
-    const blogDomain = urlUtils.getSiteUrl().replace(/^http(s?):\/\//, '').replace(/\/$/, '');
-    const imagePathRe = new RegExp(`(http(s?)://)?${blogDomain}/${urlUtils.STATIC_IMAGE_URL_PREFIX}`, 'g');
-
-    const matches = _.uniq(content.match(imagePathRe));
-
-    if (matches) {
-        matches.forEach((match) => {
-            const relative = urlUtils.absoluteToRelative(match);
-            content = content.replace(new RegExp(match, 'g'), relative);
-        });
-    }
-
-    return content;
-};
-
 const forPost = (attrs, options) => {
-    // make all content image URLs relative, ref: https://github.com/TryGhost/Ghost/issues/10477
-    if (attrs.mobiledoc) {
-        attrs.mobiledoc = handleContentUrls(attrs.mobiledoc);
-    }
-
-    if (attrs.feature_image) {
-        attrs.feature_image = handleImageUrl(attrs.feature_image);
-    }
-
-    if (attrs.og_image) {
-        attrs.og_image = handleImageUrl(attrs.og_image);
-    }
-
-    if (attrs.twitter_image) {
-        attrs.twitter_image = handleImageUrl(attrs.twitter_image);
-    }
-
-    if (attrs.canonical_url) {
-        attrs.canonical_url = handleCanonicalUrl(attrs.canonical_url);
-    }
-
     if (options && options.withRelated) {
         options.withRelated.forEach((relation) => {
             if (relation === 'tags' && attrs.tags) {
diff --git a/core/server/api/canary/utils/serializers/output/utils/url.js b/core/server/api/canary/utils/serializers/output/utils/url.js
index 892585c63c..5e66a7bacb 100644
--- a/core/server/api/canary/utils/serializers/output/utils/url.js
+++ b/core/server/api/canary/utils/serializers/output/utils/url.js
@@ -30,38 +30,28 @@ const forPost = (id, attrs, frame) => {
         }
     }
 
-    if (attrs.feature_image) {
-        attrs.feature_image = urlUtils.urlFor('image', {image: attrs.feature_image}, true);
-    }
-
-    if (attrs.og_image) {
-        attrs.og_image = urlUtils.urlFor('image', {image: attrs.og_image}, true);
-    }
-
-    if (attrs.twitter_image) {
-        attrs.twitter_image = urlUtils.urlFor('image', {image: attrs.twitter_image}, true);
-    }
-
-    if (attrs.canonical_url) {
-        attrs.canonical_url = urlUtils.relativeToAbsolute(attrs.canonical_url);
-    }
-
-    if (attrs.html) {
-        const urlOptions = {
-            assetsOnly: true
-        };
-
-        if (frame.options.absolute_urls) {
-            urlOptions.assetsOnly = false;
-        }
-
-        attrs.html = urlUtils.htmlRelativeToAbsolute(
-            attrs.html,
-            attrs.url,
-            urlOptions
+    if (attrs.mobiledoc) {
+        attrs.mobiledoc = urlUtils.mobiledocRelativeToAbsolute(
+            attrs.mobiledoc,
+            attrs.url
         );
     }
 
+    ['html', 'codeinjection_head', 'codeinjection_foot'].forEach((attr) => {
+        if (attrs[attr]) {
+            attrs[attr] = urlUtils.htmlRelativeToAbsolute(
+                attrs[attr],
+                attrs.url
+            );
+        }
+    });
+
+    ['feature_image', 'og_image', 'twitter_image', 'canonical_url'].forEach((attr) => {
+        if (attrs[attr]) {
+            attrs[attr] = urlUtils.relativeToAbsolute(attrs[attr]);
+        }
+    });
+
     if (frame.options.columns && !frame.options.columns.includes('url')) {
         delete attrs.url;
     }
diff --git a/core/server/api/v0.1/decorators/urls.js b/core/server/api/v0.1/decorators/urls.js
index aeb4e9f0cc..f288eda078 100644
--- a/core/server/api/v0.1/decorators/urls.js
+++ b/core/server/api/v0.1/decorators/urls.js
@@ -9,25 +9,27 @@ const urlsForPost = (id, attrs, options) => {
     }
 
     if (options && options.context && options.context.public && options.absolute_urls) {
-        if (attrs.feature_image) {
-            attrs.feature_image = urlUtils.urlFor('image', {image: attrs.feature_image}, true);
+        if (attrs.mobiledoc) {
+            attrs.mobiledoc = urlUtils.mobiledocRelativeToAbsolute(
+                attrs.mobiledoc,
+                attrs.url
+            );
         }
 
-        if (attrs.og_image) {
-            attrs.og_image = urlUtils.urlFor('image', {image: attrs.og_image}, true);
-        }
+        ['html', 'codeinjection_head', 'codeinjection_foot'].forEach((attr) => {
+            if (attrs[attr]) {
+                attrs[attr] = urlUtils.htmlRelativeToAbsolute(
+                    attrs[attr],
+                    attrs.url
+                );
+            }
+        });
 
-        if (attrs.twitter_image) {
-            attrs.twitter_image = urlUtils.urlFor('image', {image: attrs.twitter_image}, true);
-        }
-
-        if (attrs.html) {
-            attrs.html = urlUtils.htmlRelativeToAbsolute(attrs.html, attrs.url);
-        }
-
-        if (attrs.url) {
-            attrs.url = urlUtils.urlFor({relativeUrl: attrs.url}, true);
-        }
+        ['feature_image', 'og_image', 'twitter_image', 'canonical_url', 'url'].forEach((attr) => {
+            if (attrs[attr]) {
+                attrs[attr] = urlUtils.relativeToAbsolute(attrs[attr]);
+            }
+        });
     }
 
     if (options && options.withRelated) {
diff --git a/core/server/api/v2/utils/serializers/input/utils/url.js b/core/server/api/v2/utils/serializers/input/utils/url.js
index 1bba9a6fff..24272e8ee1 100644
--- a/core/server/api/v2/utils/serializers/input/utils/url.js
+++ b/core/server/api/v2/utils/serializers/input/utils/url.js
@@ -1,23 +1,5 @@
-const _ = require('lodash');
-const url = require('url');
 const urlUtils = require('../../../../../../lib/url-utils');
 
-const handleCanonicalUrl = (canonicalUrl) => {
-    const siteUrl = urlUtils.getSiteUrl();
-    const isSameProtocol = url.parse(canonicalUrl).protocol === url.parse(siteUrl).protocol;
-    const siteDomain = siteUrl.replace(/^http(s?):\/\//, '').replace(/\/$/, '');
-    const absolute = canonicalUrl.replace(/^http(s?):\/\//, '');
-
-    // We only want to transform to a relative URL when the canonical URL matches the current
-    // Site URL incl. the same protocol. This allows users to keep e.g. Facebook comments after
-    // a http -> https switch
-    if (absolute.startsWith(siteDomain) && isSameProtocol) {
-        return urlUtils.absoluteToRelative(canonicalUrl);
-    }
-
-    return canonicalUrl;
-};
-
 const handleImageUrl = (imageUrl) => {
     const siteDomain = urlUtils.getSiteUrl().replace(/^http(s?):\/\//, '').replace(/\/$/, '');
     const imageUrlAbsolute = imageUrl.replace(/^http(s?):\/\//, '');
@@ -30,44 +12,7 @@ const handleImageUrl = (imageUrl) => {
     return imageUrl;
 };
 
-const handleContentUrls = (content) => {
-    const siteDomain = urlUtils.getSiteUrl().replace(/^http(s?):\/\//, '').replace(/\/$/, '');
-    const imagePathRe = new RegExp(`(http(s?)://)?${siteDomain}/${urlUtils.STATIC_IMAGE_URL_PREFIX}`, 'g');
-
-    const matches = _.uniq(content.match(imagePathRe));
-
-    if (matches) {
-        matches.forEach((match) => {
-            const relative = urlUtils.absoluteToRelative(match);
-            content = content.replace(new RegExp(match, 'g'), relative);
-        });
-    }
-
-    return content;
-};
-
 const forPost = (attrs, options) => {
-    // make all content image URLs relative, ref: https://github.com/TryGhost/Ghost/issues/10477
-    if (attrs.mobiledoc) {
-        attrs.mobiledoc = handleContentUrls(attrs.mobiledoc);
-    }
-
-    if (attrs.feature_image) {
-        attrs.feature_image = handleImageUrl(attrs.feature_image);
-    }
-
-    if (attrs.og_image) {
-        attrs.og_image = handleImageUrl(attrs.og_image);
-    }
-
-    if (attrs.twitter_image) {
-        attrs.twitter_image = handleImageUrl(attrs.twitter_image);
-    }
-
-    if (attrs.canonical_url) {
-        attrs.canonical_url = handleCanonicalUrl(attrs.canonical_url);
-    }
-
     if (options && options.withRelated) {
         options.withRelated.forEach((relation) => {
             if (relation === 'tags' && attrs.tags) {
diff --git a/core/server/api/v2/utils/serializers/output/utils/url.js b/core/server/api/v2/utils/serializers/output/utils/url.js
index b688bee3a4..793a20879b 100644
--- a/core/server/api/v2/utils/serializers/output/utils/url.js
+++ b/core/server/api/v2/utils/serializers/output/utils/url.js
@@ -30,38 +30,38 @@ const forPost = (id, attrs, frame) => {
         }
     }
 
-    if (attrs.feature_image) {
-        attrs.feature_image = urlUtils.urlFor('image', {image: attrs.feature_image}, true);
+    const urlOptions = {};
+
+    // v2 only transforms asset URLS, v3 will transform all urls so that
+    // input/output transformations are balanced and all URLs are absolute
+    if (!frame.options.absolute_urls) {
+        urlOptions.assetsOnly = true;
     }
 
-    if (attrs.og_image) {
-        attrs.og_image = urlUtils.urlFor('image', {image: attrs.og_image}, true);
-    }
-
-    if (attrs.twitter_image) {
-        attrs.twitter_image = urlUtils.urlFor('image', {image: attrs.twitter_image}, true);
-    }
-
-    if (attrs.canonical_url) {
-        attrs.canonical_url = urlUtils.relativeToAbsolute(attrs.canonical_url);
-    }
-
-    if (attrs.html) {
-        const urlOptions = {
-            assetsOnly: true
-        };
-
-        if (frame.options.absolute_urls) {
-            urlOptions.assetsOnly = false;
-        }
-
-        attrs.html = urlUtils.htmlRelativeToAbsolute(
-            attrs.html,
+    if (attrs.mobiledoc) {
+        attrs.mobiledoc = urlUtils.mobiledocRelativeToAbsolute(
+            attrs.mobiledoc,
             attrs.url,
             urlOptions
         );
     }
 
+    ['html', 'codeinjection_head', 'codeinjection_foot'].forEach((attr) => {
+        if (attrs[attr]) {
+            attrs[attr] = urlUtils.htmlRelativeToAbsolute(
+                attrs[attr],
+                attrs.url,
+                urlOptions
+            );
+        }
+    });
+
+    ['feature_image', 'og_image', 'twitter_image', 'canonical_url'].forEach((attr) => {
+        if (attrs[attr]) {
+            attrs[attr] = urlUtils.relativeToAbsolute(attrs[attr], attrs.url, urlOptions);
+        }
+    });
+
     if (frame.options.columns && !frame.options.columns.includes('url')) {
         delete attrs.url;
     }
diff --git a/core/server/models/post.js b/core/server/models/post.js
index 59b99b692f..3f46723aa0 100644
--- a/core/server/models/post.js
+++ b/core/server/models/post.js
@@ -11,6 +11,7 @@ const config = require('../config');
 const settingsCache = require('../services/settings/cache');
 const converters = require('../lib/mobiledoc/converters');
 const relations = require('./relations');
+const urlUtils = require('../lib/url-utils');
 const MOBILEDOC_REVISIONS_COUNT = 10;
 const ALL_STATUSES = ['published', 'draft', 'scheduled'];
 
@@ -349,6 +350,39 @@ Post = ghostBookshelf.Model.extend({
             this.set('mobiledoc', JSON.stringify(converters.mobiledocConverter.blankStructure()));
         }
 
+        // ensure all URLs are stored as relative
+        // note: html is not necessary to change because it's a generated later from mobiledoc
+        const urlTransformMap = {
+            mobiledoc: 'mobiledocAbsoluteToRelative',
+            custom_excerpt: 'htmlAbsoluteToRelative',
+            codeinjection_head: 'htmlAbsoluteToRelative',
+            codeinjection_foot: 'htmlAbsoluteToRelative',
+            feature_image: 'absoluteToRelative',
+            og_image: 'absoluteToRelative',
+            twitter_image: 'absoluteToRelative',
+            canonical_url: {
+                method: 'absoluteToRelative',
+                options: {
+                    ignoreProtocol: false
+                }
+            }
+        };
+
+        Object.entries(urlTransformMap).forEach(([attr, transform]) => {
+            let method = transform;
+            let options = {};
+
+            if (typeof transform === 'object') {
+                method = transform.method;
+                options = transform.options || {};
+            }
+
+            if (this.hasChanged(attr) && this.get(attr)) {
+                const transformedValue = urlUtils[method](this.get(attr), options);
+                this.set(attr, transformedValue);
+            }
+        });
+
         // CASE: mobiledoc has changed, generate html
         // CASE: html is null, but mobiledoc exists (only important for migrations & importing)
         if (this.hasChanged('mobiledoc') || (!this.get('html') && (options.migrating || options.importing))) {
diff --git a/core/test/regression/models/model_posts_spec.js b/core/test/regression/models/model_posts_spec.js
index 3b1b17c6c7..3f01f06ca0 100644
--- a/core/test/regression/models/model_posts_spec.js
+++ b/core/test/regression/models/model_posts_spec.js
@@ -1134,6 +1134,44 @@ describe('Post Model', function () {
                         done();
                     }).catch(done);
             });
+
+            it('transforms absolute urls to relative', function (done) {
+                const post = {
+                    title: 'Absolute->Relative URL Transform Test',
+                    mobiledoc: '{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"http://127.0.0.1:2369/content/images/card.jpg"}]],"markups":[["a",["href","http://127.0.0.1:2369/test"]]],"sections":[[1,"p",[[0,[0],1,"Testing"]]],[10,0]]}',
+                    custom_excerpt: 'Testing <a href="http://127.0.0.1:2369/internal">links</a> in custom excerpts',
+                    codeinjection_head: '<script src="http://127.0.0.1:2369/assets/head.js"></script>',
+                    codeinjection_foot: '<script src="http://127.0.0.1:2369/assets/foot.js"></script>',
+                    feature_image: 'http://127.0.0.1:2369/content/images/feature.png',
+                    og_image: 'http://127.0.0.1:2369/content/images/og.png',
+                    twitter_image: 'http://127.0.0.1:2369/content/images/twitter.png',
+                    canonical_url: 'http://127.0.0.1:2369/canonical'
+                };
+
+                models.Post.add(post, context).then((createdPost) => {
+                    createdPost.get('mobiledoc').should.equal('{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"/content/images/card.jpg"}]],"markups":[["a",["href","/test"]]],"sections":[[1,"p",[[0,[0],1,"Testing"]]],[10,0]]}');
+                    createdPost.get('html').should.equal('<p><a href="/test">Testing</a></p><!--kg-card-begin: image--><figure class="kg-card kg-image-card"><img src="/content/images/card.jpg" class="kg-image"></figure><!--kg-card-end: image-->');
+                    createdPost.get('custom_excerpt').should.equal('Testing <a href="/internal">links</a> in custom excerpts');
+                    createdPost.get('codeinjection_head').should.equal('<script src="/assets/head.js"></script>');
+                    createdPost.get('codeinjection_foot').should.equal('<script src="/assets/foot.js"></script>');
+                    createdPost.get('feature_image').should.equal('/content/images/feature.png');
+                    createdPost.get('og_image').should.equal('/content/images/og.png');
+                    createdPost.get('twitter_image').should.equal('/content/images/twitter.png');
+                    createdPost.get('canonical_url').should.equal('/canonical');
+
+                    // ensure canonical_url is not transformed when protocol does not match
+                    return createdPost.save({
+                        canonical_url: 'https://127.0.0.1:2369/https-internal',
+                        // sanity check for general absolute->relative transform during edits
+                        feature_image: 'http://127.0.0.1:2369/content/images/updated_feature.png'
+                    });
+                }).then((updatedPost) => {
+                    updatedPost.get('canonical_url').should.equal('https://127.0.0.1:2369/https-internal');
+                    updatedPost.get('feature_image').should.equal('/content/images/updated_feature.png');
+
+                    done();
+                }).catch(done);
+            });
         });
 
         describe('destroy', function () {
diff --git a/core/test/unit/api/canary/utils/serializers/input/posts_spec.js b/core/test/unit/api/canary/utils/serializers/input/posts_spec.js
index 0e93a70446..8943e97eae 100644
--- a/core/test/unit/api/canary/utils/serializers/input/posts_spec.js
+++ b/core/test/unit/api/canary/utils/serializers/input/posts_spec.js
@@ -221,174 +221,6 @@ describe('Unit: canary/utils/serializers/input/posts', function () {
     });
 
     describe('edit', function () {
-        describe('Ensure relative urls are returned for standard image urls', function () {
-            describe('no subdir', function () {
-                let sandbox;
-
-                after(function () {
-                    sandbox.restore();
-                });
-
-                before(function () {
-                    sandbox = sinon.createSandbox();
-                    urlUtils.stubUrlUtils({url: 'https://mysite.com'}, sandbox);
-                });
-
-                it('when mobiledoc contains an absolute URL to image', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            }
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    mobiledoc: '{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"https://mysite.com/content/images/2019/02/image.jpg"}]]}'
-                                }
-                            ]
-                        }
-                    };
-
-                    serializers.input.posts.edit(apiConfig, frame);
-
-                    let postData = frame.data.posts[0];
-                    postData.mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"/content/images/2019/02/image.jpg"}]]}');
-                });
-
-                it('when mobiledoc contains multiple absolute URLs to images with different protocols', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            }
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    mobiledoc: '{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"https://mysite.com/content/images/2019/02/image.jpg"}],["image",{"src":"http://mysite.com/content/images/2019/02/image.png"}]]'
-                                }
-                            ]
-                        }
-                    };
-
-                    serializers.input.posts.edit(apiConfig, frame);
-
-                    let postData = frame.data.posts[0];
-                    postData.mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"/content/images/2019/02/image.jpg"}],["image",{"src":"/content/images/2019/02/image.png"}]]');
-                });
-
-                it('when blog url is without subdir', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            },
-                            withRelated: ['tags', 'authors']
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    feature_image: 'https://mysite.com/content/images/image.jpg',
-                                    og_image: 'https://mysite.com/mycustomstorage/images/image.jpg',
-                                    twitter_image: 'https://mysite.com/blog/content/images/image.jpg',
-                                    tags: [{
-                                        id: 'id3',
-                                        feature_image: 'http://mysite.com/content/images/image.jpg'
-                                    }],
-                                    authors: [{
-                                        id: 'id4',
-                                        name: 'Ghosty',
-                                        profile_image: 'https://somestorage.com/blog/images/image.jpg'
-                                    }]
-                                }
-                            ]
-                        }
-                    };
-                    serializers.input.posts.edit(apiConfig, frame);
-                    let postData = frame.data.posts[0];
-                    postData.feature_image.should.eql('/content/images/image.jpg');
-                    postData.og_image.should.eql('https://mysite.com/mycustomstorage/images/image.jpg');
-                    postData.twitter_image.should.eql('https://mysite.com/blog/content/images/image.jpg');
-                    postData.tags[0].feature_image.should.eql('/content/images/image.jpg');
-                    postData.authors[0].profile_image.should.eql('https://somestorage.com/blog/images/image.jpg');
-                });
-            });
-
-            describe('with subdir', function () {
-                let sandbox;
-
-                after(function () {
-                    sandbox.restore();
-                });
-
-                before(function () {
-                    sandbox = sinon.createSandbox();
-                    urlUtils.stubUrlUtils({url: 'https://mysite.com/blog'}, sandbox);
-                });
-
-                it('when blog url is with subdir', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            },
-                            withRelated: ['tags', 'authors']
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    feature_image: 'https://mysite.com/blog/content/images/image.jpg',
-                                    og_image: 'https://mysite.com/content/images/image.jpg',
-                                    twitter_image: 'https://mysite.com/mycustomstorage/images/image.jpg',
-                                    tags: [{
-                                        id: 'id3',
-                                        feature_image: 'http://mysite.com/blog/mycustomstorage/content/images/image.jpg'
-                                    }],
-                                    authors: [{
-                                        id: 'id4',
-                                        name: 'Ghosty',
-                                        profile_image: 'https://somestorage.com/blog/content/images/image.jpg'
-                                    }]
-                                }
-                            ]
-                        }
-                    };
-                    serializers.input.posts.edit(apiConfig, frame);
-                    let postData = frame.data.posts[0];
-                    postData.feature_image.should.eql('/blog/content/images/image.jpg');
-                    postData.og_image.should.eql('https://mysite.com/content/images/image.jpg');
-                    postData.twitter_image.should.eql('https://mysite.com/mycustomstorage/images/image.jpg');
-                    postData.tags[0].feature_image.should.eql('http://mysite.com/blog/mycustomstorage/content/images/image.jpg');
-                    postData.authors[0].profile_image.should.eql('https://somestorage.com/blog/content/images/image.jpg');
-                });
-            });
-        });
-
         describe('Ensure html to mobiledoc conversion', function () {
             it('no transformation when no html source option provided', function () {
                 const apiConfig = {};
diff --git a/core/test/unit/api/canary/utils/serializers/output/utils/url_spec.js b/core/test/unit/api/canary/utils/serializers/output/utils/url_spec.js
index 9649030714..3078ab416d 100644
--- a/core/test/unit/api/canary/utils/serializers/output/utils/url_spec.js
+++ b/core/test/unit/api/canary/utils/serializers/output/utils/url_spec.js
@@ -9,7 +9,9 @@ describe('Unit: canary/utils/serializers/output/utils/url', function () {
     beforeEach(function () {
         sinon.stub(urlService, 'getUrlByResourceId').returns('getUrlByResourceId');
         sinon.stub(urlUtils, 'urlFor').returns('urlFor');
+        sinon.stub(urlUtils, 'relativeToAbsolute').returns('relativeToAbsolute');
         sinon.stub(urlUtils, 'htmlRelativeToAbsolute').returns({html: sinon.stub()});
+        sinon.stub(urlUtils, 'mobiledocRelativeToAbsolute').returns({});
     });
 
     afterEach(function () {
@@ -28,21 +30,32 @@ describe('Unit: canary/utils/serializers/output/utils/url', function () {
         it('meta & models & relations', function () {
             const post = pageModel(testUtils.DataGenerator.forKnex.createPost({
                 id: 'id1',
-                feature_image: 'value'
+                mobiledoc: '{}',
+                html: 'html',
+                custom_excerpt: 'customExcerpt',
+                codeinjection_head: 'codeinjectionHead',
+                codeinjection_foot: 'codeinjectionFoot',
+                feature_image: 'featureImage',
+                og_image: 'ogImage',
+                twitter_image: 'twitterImage',
+                canonical_url: 'canonicalUrl'
             }));
 
             urlUtil.forPost(post.id, post, {options: {}});
 
             post.hasOwnProperty('url').should.be.true();
 
-            urlUtils.urlFor.callCount.should.eql(1);
-            urlUtils.urlFor.getCall(0).args.should.eql(['image', {image: 'value'}, true]);
+            // feature_image, og_image, twitter_image, canonical_url
+            urlUtils.relativeToAbsolute.callCount.should.eql(4);
 
-            urlUtils.htmlRelativeToAbsolute.callCount.should.eql(1);
+            // mobiledoc
+            urlUtils.mobiledocRelativeToAbsolute.callCount.should.eql(1);
+
+            // html, codeinjection_head, codeinjection_foot
+            urlUtils.htmlRelativeToAbsolute.callCount.should.eql(3);
             urlUtils.htmlRelativeToAbsolute.getCall(0).args.should.eql([
-                '## markdown',
-                'getUrlByResourceId',
-                {assetsOnly: true}
+                'html',
+                'getUrlByResourceId'
             ]);
 
             urlService.getUrlByResourceId.callCount.should.eql(1);
diff --git a/core/test/unit/api/shared/serializers/input/utils/url_spec.js b/core/test/unit/api/shared/serializers/input/utils/url_spec.js
index 78af13c36e..bafbd960a0 100644
--- a/core/test/unit/api/shared/serializers/input/utils/url_spec.js
+++ b/core/test/unit/api/shared/serializers/input/utils/url_spec.js
@@ -13,45 +13,5 @@ describe('Unit: v2/utils/serializers/input/utils/url', function () {
         afterEach(function () {
             sinon.restore();
         });
-
-        it('should transform canonical_url when protocol and domain match', function () {
-            const attrs = {
-                canonical_url: 'https://blogurl.com/hello-world'
-            };
-
-            url.forPost(attrs, {});
-
-            should.equal(attrs.canonical_url, '/hello-world');
-        });
-
-        it('should transform canonical_url when protocol and domain match with backslash in the end', function () {
-            const attrs = {
-                canonical_url: 'https://blogurl.com/hello-world/'
-            };
-
-            url.forPost(attrs, {});
-
-            should.equal(attrs.canonical_url, '/hello-world/');
-        });
-
-        it('should not transform canonical_url when different domains', function () {
-            const attrs = {
-                canonical_url: 'http://ghost.org/no-transform'
-            };
-
-            url.forPost(attrs, {});
-
-            should.equal(attrs.canonical_url, 'http://ghost.org/no-transform');
-        });
-
-        it('should not transform canonical_url when different protocols', function () {
-            const attrs = {
-                canonical_url: 'http://blogurl.com/no-transform'
-            };
-
-            url.forPost(attrs, {});
-
-            should.equal(attrs.canonical_url, 'http://blogurl.com/no-transform');
-        });
     });
 });
diff --git a/core/test/unit/api/v2/utils/serializers/input/posts_spec.js b/core/test/unit/api/v2/utils/serializers/input/posts_spec.js
index 257e6498f7..32d37c6fb7 100644
--- a/core/test/unit/api/v2/utils/serializers/input/posts_spec.js
+++ b/core/test/unit/api/v2/utils/serializers/input/posts_spec.js
@@ -221,174 +221,6 @@ describe('Unit: v2/utils/serializers/input/posts', function () {
     });
 
     describe('edit', function () {
-        describe('Ensure relative urls are returned for standard image urls', function () {
-            describe('no subdir', function () {
-                let sandbox;
-
-                after(function () {
-                    sandbox.restore();
-                });
-
-                before(function () {
-                    sandbox = sinon.createSandbox();
-                    urlUtils.stubUrlUtils({url: 'https://mysite.com'}, sandbox);
-                });
-
-                it('when mobiledoc contains an absolute URL to image', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            }
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    mobiledoc: '{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"https://mysite.com/content/images/2019/02/image.jpg"}]]}'
-                                }
-                            ]
-                        }
-                    };
-
-                    serializers.input.posts.edit(apiConfig, frame);
-
-                    let postData = frame.data.posts[0];
-                    postData.mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"/content/images/2019/02/image.jpg"}]]}');
-                });
-
-                it('when mobiledoc contains multiple absolute URLs to images with different protocols', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            }
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    mobiledoc: '{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"https://mysite.com/content/images/2019/02/image.jpg"}],["image",{"src":"http://mysite.com/content/images/2019/02/image.png"}]]'
-                                }
-                            ]
-                        }
-                    };
-
-                    serializers.input.posts.edit(apiConfig, frame);
-
-                    let postData = frame.data.posts[0];
-                    postData.mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[["image",{"src":"/content/images/2019/02/image.jpg"}],["image",{"src":"/content/images/2019/02/image.png"}]]');
-                });
-
-                it('when blog url is without subdir', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            },
-                            withRelated: ['tags', 'authors']
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    feature_image: 'https://mysite.com/content/images/image.jpg',
-                                    og_image: 'https://mysite.com/mycustomstorage/images/image.jpg',
-                                    twitter_image: 'https://mysite.com/blog/content/images/image.jpg',
-                                    tags: [{
-                                        id: 'id3',
-                                        feature_image: 'http://mysite.com/content/images/image.jpg'
-                                    }],
-                                    authors: [{
-                                        id: 'id4',
-                                        name: 'Ghosty',
-                                        profile_image: 'https://somestorage.com/blog/images/image.jpg'
-                                    }]
-                                }
-                            ]
-                        }
-                    };
-                    serializers.input.posts.edit(apiConfig, frame);
-                    let postData = frame.data.posts[0];
-                    postData.feature_image.should.eql('/content/images/image.jpg');
-                    postData.og_image.should.eql('https://mysite.com/mycustomstorage/images/image.jpg');
-                    postData.twitter_image.should.eql('https://mysite.com/blog/content/images/image.jpg');
-                    postData.tags[0].feature_image.should.eql('/content/images/image.jpg');
-                    postData.authors[0].profile_image.should.eql('https://somestorage.com/blog/images/image.jpg');
-                });
-            });
-
-            describe('with subdir', function () {
-                let sandbox;
-
-                after(function () {
-                    sandbox.restore();
-                });
-
-                before(function () {
-                    sandbox = sinon.createSandbox();
-                    urlUtils.stubUrlUtils({url: 'https://mysite.com/blog'}, sandbox);
-                });
-
-                it('when blog url is with subdir', function () {
-                    const apiConfig = {};
-                    const frame = {
-                        options: {
-                            context: {
-                                user: 0,
-                                api_key: {
-                                    id: 1,
-                                    type: 'content'
-                                }
-                            },
-                            withRelated: ['tags', 'authors']
-                        },
-                        data: {
-                            posts: [
-                                {
-                                    id: 'id1',
-                                    feature_image: 'https://mysite.com/blog/content/images/image.jpg',
-                                    og_image: 'https://mysite.com/content/images/image.jpg',
-                                    twitter_image: 'https://mysite.com/mycustomstorage/images/image.jpg',
-                                    tags: [{
-                                        id: 'id3',
-                                        feature_image: 'http://mysite.com/blog/mycustomstorage/content/images/image.jpg'
-                                    }],
-                                    authors: [{
-                                        id: 'id4',
-                                        name: 'Ghosty',
-                                        profile_image: 'https://somestorage.com/blog/content/images/image.jpg'
-                                    }]
-                                }
-                            ]
-                        }
-                    };
-                    serializers.input.posts.edit(apiConfig, frame);
-                    let postData = frame.data.posts[0];
-                    postData.feature_image.should.eql('/blog/content/images/image.jpg');
-                    postData.og_image.should.eql('https://mysite.com/content/images/image.jpg');
-                    postData.twitter_image.should.eql('https://mysite.com/mycustomstorage/images/image.jpg');
-                    postData.tags[0].feature_image.should.eql('http://mysite.com/blog/mycustomstorage/content/images/image.jpg');
-                    postData.authors[0].profile_image.should.eql('https://somestorage.com/blog/content/images/image.jpg');
-                });
-            });
-        });
-
         describe('Ensure html to mobiledoc conversion', function () {
             it('no transformation when no html source option provided', function () {
                 const apiConfig = {};
diff --git a/core/test/unit/api/v2/utils/serializers/output/utils/url_spec.js b/core/test/unit/api/v2/utils/serializers/output/utils/url_spec.js
index e9c16643ae..bb8e988f3a 100644
--- a/core/test/unit/api/v2/utils/serializers/output/utils/url_spec.js
+++ b/core/test/unit/api/v2/utils/serializers/output/utils/url_spec.js
@@ -9,7 +9,9 @@ describe('Unit: v2/utils/serializers/output/utils/url', function () {
     beforeEach(function () {
         sinon.stub(urlService, 'getUrlByResourceId').returns('getUrlByResourceId');
         sinon.stub(urlUtils, 'urlFor').returns('urlFor');
+        sinon.stub(urlUtils, 'relativeToAbsolute').returns('relativeToAbsolute');
         sinon.stub(urlUtils, 'htmlRelativeToAbsolute').returns({html: sinon.stub()});
+        sinon.stub(urlUtils, 'mobiledocRelativeToAbsolute').returns({});
     });
 
     afterEach(function () {
@@ -28,19 +30,31 @@ describe('Unit: v2/utils/serializers/output/utils/url', function () {
         it('meta & models & relations', function () {
             const post = pageModel(testUtils.DataGenerator.forKnex.createPost({
                 id: 'id1',
-                feature_image: 'value'
+                mobiledoc: '{}',
+                html: 'html',
+                custom_excerpt: 'customExcerpt',
+                codeinjection_head: 'codeinjectionHead',
+                codeinjection_foot: 'codeinjectionFoot',
+                feature_image: 'featureImage',
+                og_image: 'ogImage',
+                twitter_image: 'twitterImage',
+                canonical_url: 'canonicalUrl'
             }));
 
             urlUtil.forPost(post.id, post, {options: {}});
 
             post.hasOwnProperty('url').should.be.true();
 
-            urlUtils.urlFor.callCount.should.eql(1);
-            urlUtils.urlFor.getCall(0).args.should.eql(['image', {image: 'value'}, true]);
+            // feature_image, og_image, twitter_image, canonical_url
+            urlUtils.relativeToAbsolute.callCount.should.eql(4);
 
-            urlUtils.htmlRelativeToAbsolute.callCount.should.eql(1);
+            // mobiledoc
+            urlUtils.mobiledocRelativeToAbsolute.callCount.should.eql(1);
+
+            // html, codeinjection_head, codeinjection_foot
+            urlUtils.htmlRelativeToAbsolute.callCount.should.eql(3);
             urlUtils.htmlRelativeToAbsolute.getCall(0).args.should.eql([
-                '## markdown',
+                'html',
                 'getUrlByResourceId',
                 {assetsOnly: true}
             ]);
diff --git a/package.json b/package.json
index 0f1054d90d..8842530296 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@tryghost/members-ssr": "0.6.0",
     "@tryghost/social-urls": "0.1.2",
     "@tryghost/string": "^0.1.3",
-    "@tryghost/url-utils": "0.6.0",
+    "@tryghost/url-utils": "0.6.1",
     "ajv": "6.10.2",
     "amperize": "0.6.0",
     "analytics-node": "3.3.0",
diff --git a/yarn.lock b/yarn.lock
index ab4edfa6f9..0dea3688c4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -297,17 +297,15 @@
   dependencies:
     unidecode "^0.1.8"
 
-"@tryghost/url-utils@0.6.0":
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/@tryghost/url-utils/-/url-utils-0.6.0.tgz#12ad31781c03cfb6cd7eedbc8b4c690d4ef3e4d1"
-  integrity sha512-BN9l448lW2ykE0/QIeCijs1eVFGPtta1JCol6X4jzoqzy/hjL/YyGKj5ugLVOX+Fjl9Y/sblF6Yac+UzoaHkiA==
+"@tryghost/url-utils@0.6.1":
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/@tryghost/url-utils/-/url-utils-0.6.1.tgz#cb3a1c199ff855a131588258e43bbcb1599b856c"
+  integrity sha512-FfHc/OoMqKvKbQ8Rir09wkeFZPV7FZMfmnKaVFOUoJPuULetFmfS8yP0WNBHNfGj197aT+JyyJH2QpFokvPprQ==
   dependencies:
     cheerio "0.22.0"
     moment "2.24.0"
     moment-timezone "0.5.23"
-    remark-parse "^7.0.1"
-    remark-stringify "^7.0.3"
-    unified "^8.4.0"
+    remark "^11.0.1"
     unist-util-visit "^2.0.0"
 
 "@types/bluebird@^3.5.26", "@types/bluebird@^3.5.27":
@@ -7310,7 +7308,7 @@ regexpp@^2.0.1:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
-remark-parse@^7.0.1:
+remark-parse@^7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/remark-parse/-/remark-parse-7.0.1.tgz#0c13d67e0d7b82c2ad2d8b6604ec5fae6c333c2b"
   integrity sha512-WOZLa545jYXtSy+txza6ACudKWByQac4S2DmGk+tAGO/3XnVTOxwyCIxB7nTcLlk8Aayhcuf3cV1WV6U6L7/DQ==
@@ -7331,7 +7329,7 @@ remark-parse@^7.0.1:
     vfile-location "^2.0.0"
     xtend "^4.0.1"
 
-remark-stringify@^7.0.3:
+remark-stringify@^7.0.0:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/remark-stringify/-/remark-stringify-7.0.3.tgz#9221e9770b0b395af83a0d5881a44b6fcb9d0a2a"
   integrity sha512-+jgmjNjm2kR7y2Ns1BATXRlFr+iQ7sDcpSgytfU77nkw7UCd5yJNArSxB3MU3Uul7HuyYNTCjetoGfy8xLia1A==
@@ -7351,6 +7349,15 @@ remark-stringify@^7.0.3:
     unherit "^1.0.4"
     xtend "^4.0.1"
 
+remark@^11.0.1:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/remark/-/remark-11.0.1.tgz#3c16e1ed84c78a661299991bb8d5fa7ee5d18e3c"
+  integrity sha512-Fl2AvN+yU6sOBAjUz3xNC5iEvLkXV8PZicLOOLifjU8uKGusNvhHfGRCfETsqyvRHZ24JXqEyDY4hRLhoUd30A==
+  dependencies:
+    remark-parse "^7.0.0"
+    remark-stringify "^7.0.0"
+    unified "^8.2.0"
+
 remove-trailing-separator@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
@@ -8709,7 +8716,7 @@ unidecode@^0.1.8:
   resolved "https://registry.yarnpkg.com/unidecode/-/unidecode-0.1.8.tgz#efbb301538bc45246a9ac8c559d72f015305053e"
   integrity sha1-77swFTi8RSRqmsjFWdcvAVMFBT4=
 
-unified@^8.4.0:
+unified@^8.2.0:
   version "8.4.1"
   resolved "https://registry.yarnpkg.com/unified/-/unified-8.4.1.tgz#99bd0393f58a139eaa51832cfbcc0e7f6573a1e1"
   integrity sha512-YPj/uIIZSO7mMIZQj/5Z3hDl4lshWYRQGs5TgUCjHTVdklUWH+O94mK5Cy77SEcmEUwGhnUcudMuH/zIwporqw==