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Blog / HowTos /  Troubleshooting WP SuperCache Bugs

November 25, 2015 - Cathy

Troubleshooting WP SuperCache Bugs

What is WordPress SuperCache plugin?

Speed is a highly important factor in ranking pages for SEO and being able to provide your users with a page quickly will enhance your ranking over competitors that are delivering their pages slower. One method to improve the speed of delivery is to provide your users with a cached version of your page. A page is generated by the site running php to create an HTML version of your page which is displayed by the browser. What a cache does is to keep that HTML version available so that it can quickly deliver it to any visitor rather than generating the page from scratch every time. There are several plugins that you can use to do this but one of the most popular with well over a million users is the WP Super Cache.

wp supercache bugs

What are WP SuperCache bugs?

This superior WP caching plugin is one of the best that you will find however with so many possible variations in plugins and themes there is always the possibility that you may hit some form of WP SuperCache bugs. The following sections will run through some of the different WP SuperCache bugs and other issues that you may encounter when using this WordPress plugin.

How to exclude a site from Caching if there are multiple sites and subdomains

One of the common issues that some users are trying to resolve is that they don’t want specific sites such as forums to be cached when they have multiple subdomains under a single installation. This is not an actual WP SuperCache bugs but something that can be resolved within the WP super cache settings. If you look within “individual blog settings” you will find an option to simply switch off caching for each individual subdomain.

Incompatibility between WP Super Cache and WP Touch

Some users have reported that if they use both of these plugins with the recommended settings that the cache will deliver a cached version of the desktop page to mobile users after the cache has been cleared. This incompatibility can be resolved through editing the wptouch.php file that you will find in the WP supercache folder. You will need to then locate the following line in the code and comment it out:

//add_cacheaction('disable_mobile_check','wp_super_cache_maybe_disable_wptouch' );

Once completed ensure that you clear the cache and you should find thereafter that the correct version of the page will be served to your mobile users.

wp caching plugin

Homepage is not being cached

Another issue that many Supercache users report is that although all of the other pages on the site are being cached and served correctly that the homepage itself is not being cached correctly especially if very long periods are selected for the cache. Again rather than being one of the WP SuperCache bugs it is actually an issue with your settings. To resolve this issue you need to visit the “advanced options” and ensure that “cache rebuilt” is not checked. Need to troubleshoot your jetpack bugs too? Then you need to follow our useful tips and tricks.

Got a new bug with WP Super Cache plugin? Comment about it below!

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