W3 Total Cache minify may break WordPress plug-ins, theme or whole website
This article describes the problem and a fix to the issue: W3 Total Cache minify may break WordPress plug-ins, theme or whole website.~1~
Top candidates for this kind of issue are:
- Lightboxes (number one at getting broken)
- Slide shows
- Pop ups
- Some players
- Highly optimized, popular plug ins in general, like i.e. NextGen Gallery.
The causes for this malfuncion may be several. However some are prominent and may be fixed by following this tutorial.
This tutorial attempts avoiding a second minification on the already optimized files. Screenshots will make the whole fixing process a bit easier to follow.
This tutorial is meant to an intermediate to advanced audience, if you just started administering WordPress you’ll really have to be cautious and follow this article to the letter!
Step 1: backup your W3 Total Cache configuration!
No other WordPress plug in is able to screw up a web site as quickly and effectively as a misconfigured W3 Total Cache. Therefore basic due diligence suggests to save and export the current configuration to a file.
To do so, go to the WordPress administration screen and find the Performance menu. Performance is W3 Total Cache’s menu. You will see a screen similar to the following:
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