Controlling VIP Go Page Cache

The VIP Go page cache is one of the caching layers of VIP Go. The page cache is served from our global network of edge locations (usually […]

User_meta vs User_attributes

User Meta As you read in our what we look for documentation, we don’t allow the use of user_meta. The reason for this is that WordPress.com […]

Batcache

WordPress.com uses Batcache to store and serve cached versions of rendered pages. Batcache uses memcached as its storage and is aimed at preventing a flood […]

Uncached Functions

WordPress core has a number of functions that, for various reasons, are uncached, which means that calling them will always result in an SQL query. […]

Database Queries

As mentioned in the Best Practices Introduction, you should try and avoid direct database queries wherever possible and rely on WordPress API functions for fetching and […]

Caching

Site speed is essential to a great web experience. WordPress.com employs multiple levels of caching automatically. Full page cache: using the Batcache plugin, this caches […]