#5 by installs
LiteSpeed Cache
All-in-one unbeatable acceleration & PageSpeed improvement: caching, image/CSS/JS optimization...
- Installs
- 7+ million
- Rating
- 4.8 (2.8K)
- Updated
- 11 days ago
Redis Object Cache
A persistent object cache backend powered by Redis®¹. Supports Predis, PhpRedis, Relay, replication, sentinels, clustering and WP-CLI.
- Active installs
- 500,000+
- #123 of 1,000
- Downloads, all time
- 18.6M
- 18,591,040
- Downloads, 30 days
- 384.8K
- 84.1K in the last 7
- Rating
- 4.5 / 5
- 179 reviews
- Last updated
- 43 days ago
- Sep 18, 2026
- Version
- 3.0.0
- 95 releases
Upkeep and compatibility
| Last updated | September 18, 2026Updated in the last 3 months |
|---|---|
| Tested up to | WordPress 7.1.4Covers WordPress 7.1.4, the current release |
| Needs WordPress | 4.6 or newer |
| Needs PHP | 7.2 or newer |
| First published | November 14, 2014 |
| Support, last two months | 3 of 5 threads resolved (60%) |
Reviews
4.5 / 5 from 179 reviews
| 5 stars | 149 |
|---|---|
| 4 stars | 4 |
| 3 stars | 4 |
| 2 stars | 2 |
| 1 star | 20 |
Downloads, last 30 days
What the author says it does
A persistent object cache backend powered by Redis®¹. Supports Predis, PhpRedis (PECL), Relay, replication, sentinels, clustering and WP-CLI.
To adjust the connection parameters, prefix cache keys or configure replication/clustering, see the configuration options.
Object Cache Pro
A business class Redis®¹ object cache backend. Truly reliable, highly optimized, fully customizable and with a dedicated engineer when you most need it.
- Rewritten for raw performance
- 100% WordPress API compliant
- Faster serialization and compression
- Easy debugging & logging
- Cache prefetching and analytics
- Fully unit tested (100% code coverage)
- Secure connections with TLS
- Health checks via WordPress & WP CLI
- Optimized for WooCommerce, Jetpack & Yoast SEO
Learn more about Object Cache Pro.
¹ Redis is a registered trademark of Redis Ltd. Any rights therein are reserved to Redis Ltd. Any use by Redis Object Cache is for referential purposes only and does not indicate any sponsorship, endorsement or affiliation between Redis and Redis Object Cache.
Troubleshooting
Answers to common questions and troubleshooting of common errors can be found in the FAQ. Reading these is always faster than waiting for a response in the support forums.
Configuration
The opening of the plugin's own description. The full text, installation notes and changelog are on its WordPress.org page.
Latest changelog entry
- Allow Predis v3.0 as a Composer dependency
- Upgraded bundled Predis library to v2.4.1
- Upgraded ApexCharts to v4.7.0
- Indicate when the cache is disabled via the WP_REDIS_DISABLED constant
- Added WP_REDIS_CHART_COLOR constant
- Added WP_REDIS_LOAD_APEXCHARTS constant
- Fixed wp_cache_replace() writing keys that don’t exist and misreporting its result
- Fixed bulk cache methods leaving the connection stuck in pipeline mode
- Fixed WP_REDIS_USERNAME being ignored by PhpRedis/Relay connections
- Fixed WP_REDIS_USERNAME being ignored when no password is configured
Screenshots
Plugin settings, connected to a single Redis server. 
Plugin settings, displaying recent response time metrics. 
Plugin settings, showing diagnostic information. 
Dashboard widget, displaying recent response time metrics.
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Where this page's numbers come from
Read from the WordPress.org plugin API on , when WordPress 7.1.4 was the current release. WordPress.org rounds active installs into buckets. These are the directory's figures, not my verdict, and I haven't tested this plugin. The author takes donations at their donate page.