Redis Object Cache vs WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance (2026): PluginCheck
Quick Verdict
Pick Redis Object Cache if you have (or can install) Redis on your server and want the highest-impact backend performance gain for dynamic sites. Pick WP-Optimize if you want a single dashboard to handle page caching, image compression, and database cleanup without touching server config.
Both plugins promise faster WordPress sites, but they attack the problem from very different angles. Redis Object Cache is a server-level object cache backend that swaps WordPress's default transients and query storage for an in-memory Redis store. WP-Optimize is an all-in-one performance suite that bundles page caching, image compression, database cleanup, and asset minification into a single plugin.
Redis Object Cache
A persistent object cache backend powered by Redis®¹. Supports Predis, PhpRedis, Relay, replication, sentinels, clustering and WP-CLI.
- Active installs 400k+
- Rating 4.5/5 (175)
- Last updated May 4, 2026
- Support resolved 91%
- Tested to WP 7.0
- Requires PHP 7.2
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance
Get caching and more with this powerful cache plugin. Cache, optimize images, clean your database and minify for maximum performance.
- Active installs 1M+
- Rating 4.8/5 (2,593)
- Last updated Jul 7, 2026
- Support resolved 55%
- Tested to WP 7.0
- Requires PHP 7.2
Where Redis Object Cache Wins
Superior support resolution
Redis Object Cache resolves 90.9% of support threads compared to WP-Optimize's 54.5%, meaning you are nearly twice as likely to get a working answer when you hit a problem.
Cleaner architectural fit for heavy dynamic sites
For sites with logged-in users, WooCommerce carts, or frequent database writes, a Redis object cache solves a problem page caching alone cannot, and the plugin supports Predis, PhpRedis, Relay, replication, sentinels, and clustering out of the box.
Where WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Wins
Massively larger user base and rating volume
WP-Optimize has 1,000,000 active installs versus 400,000 for Redis Object Cache, and its 2,593 ratings average 96/100, the largest and most favourable sample in this comparison.
Broader feature scope without server changes
Page caching, image compression, database cleanup, and minification are all included, so a user on shared hosting who cannot install Redis still gets meaningful speed gains from a single install.
Higher user satisfaction score
WP-Optimize scores 96/100 on ratings against Redis Object Cache's 90/100, and the 2,593-review sample gives that score far more statistical weight.
Score-by-Score Comparison
WP-Optimize edges ahead at 90/30 versus 84/30, reflecting its 1,000,000 installs compared to Redis Object Cache's 400,000.
Both plugins tie at a perfect 100/25, with recent updates in May and July 2026 confirming active development on each.
WP-Optimize leads 96/15 to 90/15, backed by a much larger and more favourable review sample of 2,593 versus 175.
Redis Object Cache dominates this dimension at 91/15 versus WP-Optimize's 55/15, driven by its 90.9% resolution rate against 54.5%.
Both plugins tie at the maximum 100/15, indicating no compatibility flags in our evaluation pipeline.
The Bottom Line
For the most common WordPress user on shared or managed hosting, WP-Optimize is the easier and more broadly useful pick: 1,000,000 installs, a 96/100 rating across 2,593 reviews, and a feature set that covers page caching, images, and the database from one screen. Redis Object Cache wins decisively on support quality (90.9% versus 54.5% resolution) and is the better choice for technical users running WooCommerce, membership, or high-traffic dynamic sites on infrastructure that already has Redis available. If you can install Redis, pair WP-Optimize for page caching with Redis Object Cache for the object layer; if you can only run one, choose based on whether you need a server-side object cache or a general performance toolkit.