Increase WordPress’ memory limit WP_MEMORY_LIMIT properly in wp-config.php

Increase WordPress’ memory limit WP_MEMORY_LIMIT properly in wp-config.php

How to increase the memory limit for your WordPress website, the right way. The WordPress memory limit can be increased by the WP_MEMORY_LIMIT variable in wp-config.php. However, I see this done wrong over and over again in WordPress plugins and themes. In a worst case scenario this may even decrease the available amount of memory for WordPress! So be careful with the advice you follow. In this post I show you a correct way of setting WordPress WP_MEMORY_LIMIT and PHP memory_limit settings.
Install Varnish Cache on CentOS 6.7

Install Varnish Cache on CentOS 6.7

How to install and configure Varnish Cache on CentOS. Varnish is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Because Varnish Cache is really, really fast, web applications like WordPress, Drupal and Joomla can greatly benefit from Varnish Cache.
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Install Elasticsearch on CentOS 6.7

Elasticsearch is a highly scalable open-source full-text search and analytics engine. It allows you to store, search, and analyze big volumes of data quickly and in near real time. In this article we'll go over the steps to install Elasticsearch on CentOS 6.7.

Minify JavaScript, CSS and compress images

Optimizing, minify and compressing JavaScript and CSS files, the easy and fast way? With YUI Compressor on the Windows-, Linux- and macOS command line of course! Compacting HTML, CSS, and JavaScript can speeds up your website because of smaller and faster downloads, parsing, and execution time. Fire-and-forget JavaScript and CSS minification and optimization

Create your own PHP based Origin Pull CDN

The advantage of having your website content hosted on a Content Delivery Network (CDN) is having your content distributed and stored across the Globe. Utilizing the network of the Content Delivery Network provider. Hosting your WordPress website on a Content Delivery Network is an important WordPress optimization tip. Here is how to create your own Origin Pull CDN with just a few lines of PHP...

MySQL query caching using PHP/Zend_Cache

By using the Cache.php PHP class of the Zend Framework, you can relatively easy cache MySQL query results to disk. This ensures faster consecutive results and speeds up execution. In this context, caching means: execute a MySQL query once and save the result in a temporary file. For every time that same query is executed, you can simply use the result stored in your disk cache file, as long as the database hasn't changed. Often it is faster to save this on the web server than having it to redo the query every time.