Redis and object caching can vastly speed up your WordPress page load times with each subsequent visit. It’s also used by many popular websites like GitHub, Pinterest, StackOverflow and many others.
Remote Dictionary Server (Redis) “is an open source, in-memory data structure store used as a database, cache, and message broker.” It’s a key-value store which is often called a NoSQL database.
It’s best used on dynamic websites such as WordPress sites when it comes to object caching, which caches repeating query results.
Today, I’ll share more detail on object caching, its benefits, and how to install and use Redis for object caching on WordPress websites.
More: kinsta.com
Plugin: redis-cache