diff --git a/.eleventy.js b/.eleventy.js
index 7ef2a30a..0af920a7 100644
--- a/.eleventy.js
+++ b/.eleventy.js
@@ -12,12 +12,11 @@ const markdownItFootnote = require('markdown-it-footnote')
 const filters = require('./config/filters/index.js')
 const { slugifyString } = require('./config/utils')
 const { svgToJpeg } = require('./config/events/index.js')
+const { tagList, tagMap } = require('./config/collections/index.js')
 
 const CleanCSS = require('clean-css')
 const { execSync } = require('child_process')
 
-const tagAliases = require('./src/_data/json/tag-aliases.json')
-
 // load .env
 require('dotenv-flow').config()
 
@@ -70,45 +69,11 @@ module.exports = function (eleventyConfig) {
     excerpt_separator: '<!-- excerpt -->',
   })
 
+  // collections
+  eleventyConfig.addCollection('tagList', tagList)
+  eleventyConfig.addCollection('tagMap', tagMap)
+
   const md = markdownIt({ html: true, linkify: true })
-
-  // enable us to iterate over all the tags, excluding posts and all
-  eleventyConfig.addCollection('tagList', (collection) => {
-    const tagsSet = new Set()
-    collection.getAll().forEach((item) => {
-      if (!item.data.tags) return
-      item.data.tags
-        .filter((tag) => !['posts', 'all'].includes(tag))
-        .forEach((tag) => tagsSet.add(tag))
-    })
-    return Array.from(tagsSet).sort()
-  })
-
-  eleventyConfig.addCollection('tagMap', (collection) => {
-    const tags = {}
-    collection.getAll().forEach((item) => {
-      if (item.data.collections.posts) {
-        item.data.collections.posts.forEach((post) => {
-          const url = post.url.includes('http') ? post.url : `https://coryd.dev${post.url}`
-          const tagString = [...new Set(post.data.tags.map((tag) => tagAliases[tag.toLowerCase()]))]
-            .join(' ')
-            .trim()
-          if (tagString) tags[url] = tagString
-        })
-      }
-      if (item.data.links) {
-        item.data.links.forEach((link) => {
-          const tagString = link['tags']
-            .map((tag) => tagAliases[tag.toLowerCase()])
-            .join(' ')
-            .trim()
-          if (tagString) tags[link.url] = tagString
-        })
-      }
-    })
-    return tags
-  })
-
   md.use(markdownItAnchor, {
     level: [1, 2],
     permalink: markdownItAnchor.permalink.headerLink({
diff --git a/config/collections/index.js b/config/collections/index.js
new file mode 100644
index 00000000..294f96cb
--- /dev/null
+++ b/config/collections/index.js
@@ -0,0 +1,42 @@
+const tagAliases = require('../data/tag-aliases.json')
+
+const tagList = (collection) => {
+  const tagsSet = new Set()
+  collection.getAll().forEach((item) => {
+    if (!item.data.tags) return
+    item.data.tags
+      .filter((tag) => !['posts', 'all'].includes(tag))
+      .forEach((tag) => tagsSet.add(tag))
+  })
+  return Array.from(tagsSet).sort()
+}
+
+const tagMap = (collection) => {
+  const tags = {}
+  collection.getAll().forEach((item) => {
+    if (item.data.collections.posts) {
+      item.data.collections.posts.forEach((post) => {
+        const url = post.url.includes('http') ? post.url : `https://coryd.dev${post.url}`
+        const tagString = [...new Set(post.data.tags.map((tag) => tagAliases[tag.toLowerCase()]))]
+          .join(' ')
+          .trim()
+        if (tagString) tags[url] = tagString
+      })
+    }
+    if (item.data.links) {
+      item.data.links.forEach((link) => {
+        const tagString = link['tags']
+          .map((tag) => tagAliases[tag.toLowerCase()])
+          .join(' ')
+          .trim()
+        if (tagString) tags[link.url] = tagString
+      })
+    }
+  })
+  return tags
+}
+
+module.exports = {
+  tagList,
+  tagMap,
+}
diff --git a/src/_data/json/tag-aliases.json b/config/data/tag-aliases.json
similarity index 100%
rename from src/_data/json/tag-aliases.json
rename to config/data/tag-aliases.json