Keeping the answer within the wordpress realm, your best bet is to install W3TC and use that plugin to optimize your speed. Even with the default settings you’d already be gaining a lot. If you want to delve further you can keep tweaking the settings within the plugin. The next step to take would be … Read more
Are you running WordPress 3.5? If not, you should try upgrading because the stability of the blog-switching functionality has been greatly improved in this version: Multisite’s switch_to_blog() is now significantly faster and more reliable Once you have done this, try using the trunk version of the Memcached Object Cache plugin which adds support for the … Read more
Let me quote what’s mentioned in the official FAQ of WordPress.com Stats plugin (JetPack statistics module uses this plugin as the base)… The plugin collects stats via a javascript call, so as long as the JS call is on the page stats will be collected just fine, whether the page is cached or not. In … Read more
WP has multiple caching APIs really. For caching of data, that can be easily rebuilt, Transients API is typically used. However it’s up to you how to architecture interaction with your script. WP exposes Ajax endpoint but its performance is questionable if you need extremely fast responses.
You could use Teleport or some other crawler to create a “proper” offline version of the website. However, if your client would want to showcase posting something or some other functionality that requires database interaction, then you’re far better off using a local installation on XAMPP or alternatives of it (enable Apache and MySQL to … Read more
Simplest way to see what is causing it is to disable all plugins and add them back one at a time. If that doesn’t reveal it, switch to a default theme. After that I’d say it is something server side. To answer your question though – caching should help but it depends on what is … Read more
Your expires value in your CDN settings is likely set to a low number. Your CDN expires header is overriding what is coming from your origin server which is why when you enabled the CDN, you received that message from Pingdom. Try increasing your CDN’s expires value. Also if you’re searching for a reliable CDN … Read more
In nearly all of the case WP doesn’t participate in serving static files. Its rewrite rules are typically configured to ignore them and let web server handle. Otherwise overhead of firing up PHP engine and WP core for each static request would be incredibly taxing. As such there is no mechanism in WP to deal … Read more
In general no, there is no advantage in having two caching entities in the way of each request. But you should be careful and understand how the caching works. For example cloudflare do not cache your pages in a central repository but each data center has its on cache so in an edge case you … Read more
If the files are being cached, then whatever caching solution you are using is working! That’s why there’s a clear caching button available. Typically JS and CSS files will be cached. While you are in development I recommend changing the version of the file being cached. This can be done by updating the wp_enqueue_script (js … Read more