Caching Plugins and Configuration recommendations

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The Dollie platform tries to auto-detect the most popular WP caching plugins and auto implements container-level caching before WordPress is even loaded. This solution gives you the freedom to choose a caching plugin that works best for you, whilst still getting all the benefits of NGINX caching. Once a page is cached it is served directly through NGINX completely bypassing PHP and MySQL and thus resulting in near instant load times.

Which Cache Plugins Should I Install for my customers?

Out of the box every deployed install is configured with the free Powered Cache. plugin. Additionally we support:

  • WP Rocket
  • W3 Total Cache
  • WP Super Cache
  • Cache Enabler
  • Switch Performance
  • WP Fastest Cache
  • Litespeed Cache
  • Hyper Cache
  • CometCache
  • NGINX Helper (FastCGI Cache)

What about Object Caching?

Yes, this is supported via all Redis Object Cache plugins/dropins.

What is caching?

Every time someone visits your site there's a lot of stuff that needs to be processed by the server. PHP code is being ran, queries are being made to your database and in the end the HTML of the webpage is generated. The image below does a great job in explaining how this works..

WordPress Internal Functioning

Sourav from WPExplorer.com does a great job in explainging what caching means for WordPress

What if your dynamically generated web pages were saved in the server’s hard disk or memory (RAM) and served from there, every time someone requested the page? Be it one or 1000 people, that same page would be sent! That would save a lot of database queries, PHP code execution, thereby saving the most important factor – precious computation time. It would be really, really fast.

This is WordPress caching. Reusing previously generated data (or requests such as database queries) to speed up new, subsequent requests.

Why do I have to sometimes purge my cache?

When new posts, pages, comments and other activity takes place on your community. That being said sometimes you might encounter situations where you install a new plugin or make custom changes to your site which are not immediately displayed. In those cases you want to purge the

Purging the cache essentially means re-caching all previously cached data. This means the old ones are are deleted and new ones are created or regenerated.

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