diff --git a/conf.js b/conf.js
index c8406bd..014e5ac 100644
--- a/conf.js
+++ b/conf.js
@@ -28,7 +28,7 @@ const searchleader = "a"
 // See ./keys.js and ./completions.js
 util.rmMaps(keys.unmaps.mappings)
 util.rmSearchAliases(keys.unmaps.searchAliases)
-util.processMaps(keys.maps, siteleader)
+util.processMaps(keys.maps, keys.aliases, siteleader)
 util.processCompletions(completions, searchleader)
 
 module.exports = { siteleader, searchleader }
diff --git a/keys.js b/keys.js
index a84918d..3015d18 100644
--- a/keys.js
+++ b/keys.js
@@ -574,6 +574,36 @@ const maps = {
 }
 
 // Aliases
-maps["en.wiktionary.org"] = maps["wikipedia.org"]
+const aliases = {
+  "wikipedia.org": [
+    // Wikimedia sites
+    "wiktionary.org",
+    "wikiquote.org",
+    "wikisource.org",
+    "wikimedia.org",
+    "mediawiki.org",
+    "wikivoyage.org",
+    "wikibooks.org",
+    "wikinews.org",
+    "wikiversity.org",
+    "wikidata.org",
 
-module.exports = { unmaps, maps }
+    // MediaWiki-powered sites
+    "wiki.archlinux.org",
+  ],
+
+  "stackoverflow.com": [
+    "stackexchange.com",
+    "serverfault.com",
+    "superuser.com",
+    "askubuntu.com",
+    "stackapps.com",
+    "mathoverflow.net",
+  ],
+}
+
+module.exports = {
+  unmaps,
+  maps,
+  aliases,
+}
diff --git a/util.js b/util.js
index 8965df5..c6cbd01 100644
--- a/util.js
+++ b/util.js
@@ -70,11 +70,18 @@ util.rmSearchAliases = a => Object.entries(a).forEach(([leader, items]) => {
 })
 
 // Process Mappings
-util.processMaps = (maps, siteleader) => {
+util.processMaps = (maps, aliases, siteleader) => {
   if (typeof map === "undefined" || typeof mapkey === "undefined") {
     return
   }
-  Object.entries(maps).forEach(([domain, domainMaps]) => domainMaps.forEach(((mapObj) => {
+
+  const hydratedAliases = Object.entries(aliases)
+    .flatMap(([baseDomain, aliasDomains]) =>
+      aliasDomains.flatMap(a => ({ [a]: maps[baseDomain] })))
+
+  const mapsAndAliases = Object.assign({}, maps, ...hydratedAliases)
+
+  Object.entries(mapsAndAliases).forEach(([domain, domainMaps]) => domainMaps.forEach(((mapObj) => {
     const {
       alias,
       callback,
@@ -84,7 +91,6 @@ util.processMaps = (maps, siteleader) => {
     } = mapObj
     const opts = {}
 
-
     const key = `${leader}${alias}`
 
     // Determine if it's a site-specific mapping