P
by Rolf Kristensen 1 (0 reviews)

Permalink Validator

Validates the URL used and if not matching the official permalink then it issues a HTTP 301 or HTTP 404 message.

Permalink Validator ranks #30,561 among WordPress.org plugins with 10+ active installations, is #1,371 of 4,265 in the SEO & Marketing category, a 1/5 rating from 0 reviews, and was last updated Aug 17, 2009. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 2.6 (Current: 7.1.4)
v0.8 Current Version v0.8
Updated 17 years ago Last Update on 17 Aug, 2009
Refreshed 1 week ago Last Refreshed on
#1,371 of 4,265 in SEO & Marketing Top 50% by installs No update in over a year
View on WordPress.org
Rank
#30,561
— No change
Active Installs
10+
-44.4%
KW Avg Position
N/A
— No change
Downloads
11K
+5 today
Support Resolved
0%
— No change
Rating
20%
Review 1 out of 5
1 (0 reviews)

Next Milestone 20

Total Progress 80%
10+ 20+
7,388
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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Rank Changes

29,033 29,797 30,561 31,325 32,089 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
30,252 30,553 30,854 31,154 31,455 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Current #30,561
Change
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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
0 10 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Downloads
Growth
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Reviews & Ratings

1.0
0 reviews
Overall 20%
5
0 (0%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
0 (0%)

Frequently Asked Questions

Common questions about Permalink Validator

If having the ability to use htaccess or isapi_rewrite, then one should continue to use these to add missing trailing back-slash or www prefix. They are a lot faster at redirecting than Permalink Validator, as they are activated without starting the PHP script engine when the URL has incorrect format. Permalink Validator extends the validation so besides checking the format, then it also checks that the url is referring to something valid. The validation of the url doesn't generate any extra overhead in database queries (unless the url requires redirection).
The plugin makes a redirect when the url used to reach the page doesn't match the expected permalink url. Some times this leads to an endless loop, which Firefox shows as: The page isn't redirecting properly Firefox has detected that the server is redirecting the request for this address in a way that will never complete. * This problem can sometimes be caused by disabling or refusing to accept cookies. This can be caused by a conflict in the htaccess / isapi_rewrite redirection rules and the given permalink structure: If enforcing trailing back-slash and the permalink structure doesn't include it. If this is not the case then you are very welcome to post a topic with your problem as feedback to this plugin. Please include your permalink-structure and Wordpress version in your description of the problem.
The Permalink Validator will pretty much validate any URL you throw at it, but sometimes there are URL's that should not be validated. Edit the plugin-code and replace this line: $excludes = array(); With an array of the URL's to ignore: $excludes = array("/forum"); Plugins that requires an URL excluded: Subscribe to Comments - Exclude "/?wp-subscription-manager" wp-forum - Exclude "/forum"
Add the following lines to your robots.txt: Disallow: */feed Disallow: */atom Disallow: */rss2 Disallow: */rss Disallow: */trackback Disallow: /*/feed Disallow: /*/atom Disallow: /*/rss2 Disallow: /*/rss Disallow: /*/trackback
Wordpress supports by default Apache htaccess and its mod_rewrite rules.
to this type of permalink: http://example.com/index.php/post/hello-world/ To remove the index.php, then one can either use the custom 404 redirects or isapi_rewrite. If using isapi_rewrite and changing from using index.php to not using index.php, then one can use the following httpd.ini (Assumes Wordpress is installed in the root): [ISAPI_Rewrite] # Rules to ensure that normal content gets through RewriteRule /software-files/(.*) /software-files/$1 [L] RewriteRule /images/(.*) /images/$1 [L] RewriteRule /favicon.ico /favicon.ico [L] RewriteRule /robots.txt /robots.txt [L] # For file-based wordpress content (i.e. theme), admin, etc. RewriteRule /wp-(.*) /wp-$1 [L] # Rule to perform 301 redirect to ensure trailing back-slash on post and pages RewriteCond Host: (.*) RewriteRule ([^.?]+[^.?/]) http://$1$2/ [I,R] # Rule to perform 301 redirect (Remove index.php if specified) RewriteRule /index.php/(.*) /$1 [I,RP] # For normal wordpress content, via index.php RewriteRule ^/$ /index.php [L] RewriteRule /(.*) /index.php/$1 [L]
Permalink Validator cannot see the difference between this url: http://example.com/ And this url on IIS: http://example.com/index.php It can also not see the difference between this url: http://example.com/ And this url on IIS: http://example.com///// This is because REQUEST_URI is not supported properly on IIS, and this plugin can only simulate REQUEST_URI to a certain limit. Therefore it is impossible to know whether index.php or extra slashes was specified or not. The solution is to use a rewrite engine like ISAPI_rewrite or IIS mod-rewrite as they can provide a proper REQUEST_URI.
Microsoft IIS fails to reply with error code 404 in the HTTP header,
It seems that when using PHP on IIS, then it is not possible to reply with a proper HTTP header. Apparently the only way to return a proper 404 on IIS is to use ASP.
Google tracking code adds a question-mark (?) option to the URL, which the Permalink Validator will strip because it is not part of the permalink URL. Instead of using a question-mark (?), then one could use a hash (#) value, and then modify the Google tracking code to extract the hash value instead of the question-mark value.

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