plugin-w3-total-cache

How does W3 Total Cache CDN URL rewrites work? [closed]

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The W3 Total Cache plugin changes the URL of various files in /w3-total-cache/lib/W3/Plugin/Cdn.php in the function *ob_callback*. It uses a series of callbacks to modify an output buffer. The code runs like this: w3_total_cache.php calls $root->run(); W3_Root::run calls $plugin->run() for each plugin in $this->_loaded_plugins W3_Plugin_TotalCache::run starts an output buffer which calls W3_Plugin_TotalCache::ob_callback W3_Plugin_TotalCache::ob_callback calls w3tc_do_ob_callbacks() … Read more

Trouble with Transient API when W3TC is activated [closed]

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I was having this same issue and was able to correct it by expanding on Andy’s solution, however I only needed to force on value in particular to not use W3TC’s object cache. I tried using APC, Memcached as well as Disk for the cache with the same results. Caching certainly helps performance, and the … Read more

Pros and Cons for high “expire time” on wp-super-cache or w3-total-cache? [closed]

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It’s a great question, and one I’ve been a little confused by as well. The conclusion I’ve drawn is, it’s expensive to leave cache files for two reasons: If your site (or sites, in the case of a multisite installation) has/have a lot of pages, you can easily end up with thousands of cache files, … Read more

W3 Total Cache, CDN and theme files [closed]

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You need to either Version your files (by calling it style.css?ver=xxx.xxx) and making sure your CloudFront distribution has “Forward Query strings” turned on. This is the better option, as it means that all you need to do is increment the number in the query string and CloudFront will fetch this file automatically. Manually invalidate your … Read more

Best way to show Dynamic Content on a Cached WordPress Site?

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So, there are many sub-questions, i’ll try to address each. Views Counter Problem – I could make this Value/function be ran using Ajax. Once the new Cached/Static page is loaded, Javascript could then use Ajax to request and update the Views counter for that page. Totally agree: added benefit: loading it via ajax when “important” … Read more

Is this Solution for Caches vs Cookies Going to Get Me in Trouble?

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Your solution with comment_author_proxyhash cookie will of course technically work – all caching plugins I know doesn’t analyze hash value and will just stop delivery of cached content based on comment_author_* cookie presense. Problem here is that page caching functionality is something websites really need and often page caching is configured exactly because naked WordPress … Read more

W3 total cache – cache refresh programmatically [closed]

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if you want to flush the cache you can do that: the plugin has functions for that <?php flush_pgcache() //page cache flush_dbcache() // database cache flush_minify() // minify cache flush_all() //all caches ?> and you just need to call it like this: <?php $w3_plugin_totalcache->flush_all(); ?> and that is basically the answer to the question in … Read more