An optimized database greatly improves your blog’s performance in terms of page load speed. Think of the database as your blog’s engine. It is where your entire site’s content is stored. In other words without it there is no website. You always want to have a clean, well-optimized database and also have the latest copy stored safely in a reliable location. Just as you need to recharge your mind and body through exercise and meditation, your WordPress database needs periodic optimization to perform optimally. Every fresh WordPress installation creates a database with 11 tables – see full description of the core database here on With time, this number grows as you install plugins and other add-ons. Some of the data added to the database becomes stale with time. For instance, draft copies of your old posts, pingbacks, old comments, and spam info kept in the database is all basically unwanted data. Not only does this stale data take up disk space but also slows down your website. The bigger the database, the longer it takes for data to be retrieved and displayed on the relevant pages. Cleaning up and optimizing your database mainly entails removal of stale data to free up
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