When a Drupal development is going on, developers tweak a lot of setting for ease of development. And sometimes, to meet the deadlines and in a hurry we forget to do a lot of important things which might affect the site once it is live.
Drupal cache is very important when you are working on a site which will have a lot of visitors daily and performance becomes a crucial part. In this tutorial I will demonstrate how you can use the cache_set() drupal function to save something in cache and retrieve that on user request instead of unnecessary processing if the content has not changed.
