Caching is one of the simplest and most effective ways to improve website performance. Rather than repeatedly retrieving data, executing PHP scripts, or performing expensive database queries, a caching system stores the results of previous work so they can be reused. However, the terminology can be confusing. Memcache, Memcached, and Zend OPcache are often mentioned … Continue reading Memcache, Memcached, Zend OPcache and APCu: understanding the differences