WP-Optimize
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WP Redis
Back your WP Object Cache with Redis, a high-performance in-memory storage backend.
The facts
- Rating
- 4.7★ from 20
- Active installs
- 9k+
- Price
- Free
- Last updated
- 11 Dec 2025
- Added
- Sep 2014
- Requires WP
- 3.0.1
- Tested up to
- WP 6.9.7
- Requires PHP
- 7.4
- Downloads
- 1,019,888
Our analysis
AI-assistedWP Redis is a WordPress plugin designed to integrate Redis as a persistent object cache for self-hosted sites. It is particularly useful for websites that experience high traffic, require speed for logged-in users, or have dynamic page loads. The plugin allows you to leverage Redis for improved performance, provided you have Redis installed on your server.
The plugin includes various WP-CLI commands for managing the Redis integration, such as enabling the cache, debugging cache performance, and providing connection details. It is suitable for developers and site administrators looking to enhance their site's speed and efficiency through object caching.
Best for: This plugin is best for developers and site administrators managing high-traffic WordPress sites.
What it does well
- ✓Integrates Redis for persistent object caching
- ✓Includes WP-CLI commands for management
- ✓Suitable for high-traffic and dynamic sites
Where it falls short
- •Requires Redis to be installed on the server
- •Performance depends on sensible usage of cache keys
Verdict
WP Redis offers a practical solution for improving site performance through object caching, but requires careful implementation to avoid performance issues.
From the developer
Pantheon Systems's own description of WP Redis, lightly tidied.
For sites concerned with high traffic, speed for logged-in users, or dynamic pageloads, a high-speed and persistent object cache is a must. You also need something that can scale across multiple instances of your application, so using local file caches or APC are out.
Redis is a great answer, and one we bundle on the Pantheon platform. This is our plugin for integrating with the cache, but you can use it on any self-hosted WordPress site if you have Redis. Install from WordPress.org or Github.
It’s important to note that a persistent object cache isn’t a panacea – a page load with 2,000 Redis calls can be 2 full seconds of object cache transactions. Make sure you use the object cache wisely: keep to a sensible number of keys, don’t store a huge amount of data on each key, and avoid stampeding frontend writes and deletes.
Go forth and make awesome! And, once you’ve built something great, send us feature requests (or bug reports). Take a look at the wiki for useful code snippets and other tips.
WP-CLI Commands
This plugin implements a variety of WP-CLI commands. All commands are grouped into the wp redis namespace.
$ wp help redis
NAME
wp redis
SYNOPSIS
wp redis <command>
SUBCOMMANDS
cli Launch redis-cli using Redis configuration for WordPress
debug Debug object cache hit / miss ratio for any page URL.
enable Enable WP Redis by creating the symlink for object-cache.php
info Provide details on the Redis connection.
Use wp help redis <command> to learn more about each command.
Contributing
See CONTRIBUTING.md for information on contributing.
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