Most of WordPress caching functionality is set up with text (serialized if needed) in mind. Since you need to store binary data it is probably better to maintain own cache. As for location of cache I think it depends: for single personal installation I would pick directory that is short and makes nice URL, for … Read more
The problem was to do with MAMP turning on OPCache by default: https://stackoverflow.com/questions/19073270/stop-caching-for-php-5-5-3-in-mamp
The one possibility is caching broken page. For example some database query fails (which is not uncommon in shared environment and/or under load) and some page gets displayed broken / with errors. Since caching doesn’t assume integrity checking it can cache such page… And your cache interval is days – page is broken as long. … Read more
The basic rule of thumb for Memcached is: use it if you’re running multiple servers or connecting to multiple databases for the same assets. Another more harsh way to put it: If you don’t know what Memcached is, you probably don’t need it. Since you have a single server(and probably single DB) you won’t be … Read more
Rather than incorporating dynamic content into cached pages, you are better off using AJAX to pull dynamic content onto those pages in the browser. In your news.php file, simply have an empty element that will contain the content. Better still, have it contain an AJAX spinner that indicates that content is coming. <div id=”late-load-news”> <img … Read more
I was in a similar situation recently and started using W3 Total Cache too. I’m not sure what settings you have at the moment, but it’s worth experimenting a bit if you can to see that you’re really using W3 Total Cache to the max For example, I originally only had Page Cache and Browser … Read more
A transient that doesn’t expire has a max name length of 53 characters yet a transient that does expire has a max name length of 45 characters. http://core.trac.wordpress.org/ticket/15058
So your problem is that you want to cache 2 Loops, WordPress do some stuff behind the hood to cache loops. What you might do is either activate a plugin like W3 Total Cache, but if you really need to perform caching of data for some of functionality there is some function/methods that will allow … Read more
If you want to enforce the visitor to load the new version of your stylesheets and scripts, then (as @majick suggested) changing the version via query string is the way to go. This is just how the caching works. My suggestion would be to make sure you update the theme version on every major, or … Read more
If you update your WordPress theme’s style.css, you may have noticed that you have to “force-reload” your site in your browser to see the changes. This is because your browser keeps a copy of the CSS cached on your hard drive. Depending on how your server is set up, it may not check for a … Read more