Usually, websites do contain information that is updated once a week, month or even less often. Still, we burden the servers and lengthen the page load time with asking these pieces of information separately from a database on every page load – completely unnecessarily.
In this talk, I will tell how to cache rarely updated data to reduce the number of database queries and improve page load time by using built-in functionality in WordPress. Whether you are an experienced developer or not, you will find advice to develop your working!