In this blog, we will see about how to enable Page Cache in CodeIgniter? by Lia Infraservices – The Leading Web App Development Company in Chennai. In general, caching is the process of storing copies of files in cache memory or temporary storage location like a hard disk, so that they can be accessed more quickly. Cache on the Internet serves a similar purpose. That is they temporarily store the page content, needed for users to make their journey across the web. Caching a page will improve the