diff --git a/prember-urls.js b/prember-urls.js
index 8e519fd4..b73f1b3b 100644
--- a/prember-urls.js
+++ b/prember-urls.js
@@ -42,12 +42,22 @@ module.exports = function () {
       urls.push(`/${p}/${uniqVersion}/${suffix}`);
     };
 
-    const oldVersions = ['1.13', '2.18', '3.28', '4.4', '4.8', '4.12'];
+    const oldVersions = [
+      '1.13',
+      '2.18',
+      '3.28',
+      '4.4',
+      '4.8',
+      '4.12',
+      '5.4',
+      '5.8',
+      '5.12',
+    ];
 
     uniqueProjectVersions.forEach((uniqVersion) => {
       if (
         !oldVersions.includes(uniqVersion) &&
-        !semver.gte(`${uniqVersion}.0`, '5.0.0')
+        !semver.gte(`${uniqVersion}.0`, '6.0.0')
       ) {
         return;
       }
diff --git a/public/_redirects b/public/_redirects
index bbb3e7a1..713119b0 100644
--- a/public/_redirects
+++ b/public/_redirects
@@ -1 +1,12 @@
+/:project/:version/classes/:class/methods/* anchor=:anchor /:project/:version/classes/:class#:anchor 301!
+/:project/:version/classes/:class/properties/* anchor=:anchor /:project/:version/classes/:class#:anchor 301!
+/:project/:version/classes/:class/events/* anchor=:anchor /:project/:version/classes/:class#:anchor 301!
+
+/:project/:version/namespaces/:namespace/methods/* anchor=:anchor /:project/:version/namespaces/:namespace#:anchor 301!
+/:project/:version/namespaces/:namespace/properties/* anchor=:anchor /:project/:version/namespaces/:namespace#:anchor 301!
+/:project/:version/namespaces/:namespace/events/* anchor=:anchor /:project/:version/namespaces/:namespace#:anchor 301!
+
+/:project/:version/modules/:module/methods/* anchor=:anchor /:project/:version/modules/:module#:anchor 301!
+/:project/:version/modules/:module/properties/* anchor=:anchor /:project/:version/modules/:module#:anchor 301!
+/:project/:version/modules/:module/events/* anchor=:anchor /:project/:version/modules/:module#:anchor 301!
 /*  /index.html  200