diff --git a/README.md b/README.md
index 46fcf2e14..ba9eb3cfd 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@
 * [Current URL](#current-url)
 * [Element is visible in viewport](#element-is-visible-in-viewport)
 * [Get scroll position](#get-scroll-position)
-* [Redirect to URL](#redirect-to-url)
+* [Redirect to url](#redirect-to-url)
 * [Scroll to top](#scroll-to-top)
 
 ### Function
@@ -528,7 +528,17 @@ const getScrollPos = (el = window) =>
 
 [⬆ back to top](#table-of-contents)
 
-undefined
+### Redirect to URL
+
+Use `window.location.href` or `window.location.replace()` to redirect to `url`.
+Pass a second argument to simulate a link click (`true` - default) or an HTTP redirect (`false`).
+
+```js
+const redirect = (url, asLink = true) =>
+  asLink ? window.location.href = url : window.location.replace(url);
+// redirect('https://google.com')
+```
+
 [⬆ back to top](#table-of-contents)
 
 ### Scroll to top
diff --git a/scripts/builder.js b/scripts/builder.js
index 6a15e53a7..ba345e67f 100644
--- a/scripts/builder.js
+++ b/scripts/builder.js
@@ -52,13 +52,13 @@ catch (err){
 
 try {
   output += `${startPart+'\n'}`;
-  for(var tag of [...new Set(Object.entries(tagDbData).map(t => t[1]))].sort((a,b) => a.localeCompare(b))){
+  for(var tag of [...new Set(Object.entries(tagDbData).map(t => t[1]))].filter(v => v).sort((a,b) => a.localeCompare(b))){
     output +=`### ${capitalize(tag, true)}\n`;
     for(var taggedSnippet of Object.entries(tagDbData).filter(v => v[1] === tag))
       output += `* [${taggedSnippet[0][0].toUpperCase() + taggedSnippet[0].replace(/-/g,' ').slice(1)}](#${taggedSnippet[0].replace(/\(/g,'').replace(/\)/g,'').toLowerCase()})\n`
     output += '\n';
   }
-  for(var tag of [...new Set(Object.entries(tagDbData).map(t => t[1]))].sort((a,b) => a.localeCompare(b))){
+  for(var tag of [...new Set(Object.entries(tagDbData).map(t => t[1]))].filter(v => v).sort((a,b) => a.localeCompare(b))){
     output +=`## ${capitalize(tag, true)}\n`;
     for(var taggedSnippet of Object.entries(tagDbData).filter(v => v[1] === tag))
       output += `\n${snippets[taggedSnippet[0]+'.md']+'\n[⬆ back to top](#table-of-contents)\n'}`;
diff --git a/tag_database b/tag_database
index 5619a0369..ef62da213 100644
--- a/tag_database
+++ b/tag_database
@@ -58,7 +58,7 @@ powerset:math
 promisify:function
 random-integer-in-range:utility
 random-number-in-range:utility
-redirect-to-URL:browser
+redirect-to-url:browser
 reverse-a-string:string
 RGB-to-hexadecimal:utility
 run-promises-in-series:function