by David Anderson / Team Updraft 4.8 (2,609 reviews)

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance

Name: WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance
Rating: 4.8 (2609 reviews)
Author: David Anderson / Team Updraft

Get caching and more with this powerful cache plugin. Cache, optimize images, clean your database and minify for maximum performance.

WP-Optimize ranks #52 among WordPress.org plugins with 1,000,000+ active installations, is #4 of 2,878 in the Discussion & Community category, a 4.8/5 rating from 2,609 reviews, and was last updated Aug 13, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v4.6.1 Current Version v4.6.1

Updated 1 month ago Last Update on 13 Aug, 2026

Refreshed 11 hours ago Last Refreshed on

#4 of 2,878 in Discussion & Community Top 1% by installs Downloads -32% this week

View on WordPress.org

Rank

#52

— No change

Active Installs

1M+

-28.8%

KW Avg Position

— No change

Downloads

55M

+5,545 today

Support Resolved

69%

— No change

Rating

96%

Review 4.8 out of 5

4.8 (2,609 reviews)

Next Milestone 2M

Total Progress 41%

1M+ 2M+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Need 589,744 more installs to reach 2M+

Rank Changes

Current #52

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.8

2,609 reviews

Overall 96%

2,391 (92%)

79 (3%)

26 (1%)

87 (3%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

69%

Resolution Rate

Security History

Source: WPVulnerability

6 known vulnerabilities on record · 3 in the last 24 months · checked 1 week ago

May 6, 2026

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.5.3

CVE-2026-7252 · Fixed in v4.5.3
Apr 9, 2026

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.5.1

CVE-2026-2712 · Fixed in v4.5.1
May 12, 2025

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.2.0

CVE-2025-3951 · Fixed in v4.2.0
Jul 4, 2023

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.13

CVE-2023-1119 · Fixed in v3.2.13
Feb 7, 2023

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.12

Fixed in v3.2.12
Feb 6, 2023

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.12

Fixed in v3.2.12

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Plugin Details

Version: 4.6.1
Last Updated: Aug 13, 2026
Requires WP: 4.9+
Tested Up To: 7.1
PHP Version: 7.2 or higher
Author: David Anderson / Team Updraft

Support & Rating

Rating: ★ ★ ★ ★ ★ 4.8
Reviews: 2,609
Support Threads: 13
Resolved: 69%

Keywords

cache caching image cache minify performance cache

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TL;DR

AI summary of the plugin's readme

WordPress site owners looking to speed up their website can use this plugin to manage caching, image compression, database cleanup, and minification. It addresses slow page load times and poor performance by combining these optimization techniques into one plugin.

One-click caching
Cache preloading
GZIP compression
Device-specific cache
Lossy or lossless image compression
WebP conversion
Bulk image compression
Database clean-up scheduling

Frequently Asked Questions

Common questions about WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance

We've built WP-Optimize Cache around the most advanced and powerful caching technology. Our caching tests and feedback from real-world users show that the caching feature alone can make your site faster than any other cache plugin or optimization. See these speed test results.

Yes; optimizing does not involve any "tricks" or poking around in dangerous ways. It involves running routine clean-up operations using well-defined, common MySQL commands. Nevertheless, we always recommend backups, which cover every possibility; not just database malfunctions, but hackers, human errors, etc. We recommend UpdraftPlus.

This is a "how long is string?" sort of question. It depends completely on your site - how big it is, how many users interact on it, how long it has been running, and when you last optimised it. However, the savings and speed-ups can be substantial; it is always worth making sure that your database is optimised.

In our support forum, here: https://wordpress.org/support/plugin/wp-optimize/ WP-Optimize does not make large savings on my database This is rare; it's probably because you're with a shared web hosting company that doesn't allow scripts to run an optimize command via SQL statements (SQL "OPTIMIZE" instruction). Please consult your web hosting company on this matter.

Yes - WP-Optimize Cache is WordPress's #1 most-installed optimisation plugin, with over 800,000 users and a pedigree going back over 8 years.

WP-Optimize will disable some features if it detects InnoDB tables. Optimization of the database tables on-disk is not available, but other clean up features would work.

Not unless you have an existing backup. Please ensure that you make a backup of your entire database before using WP-Optimize for the first time, and when you upgrade to a major new version of it. We recommend UpdraftPlus.

The plugin is an ongoing work; that means that it is impossible to rule out unforeseen situations and bugs. So I would recommend you to test it out on your local system or make a backup of your database (just to be extra careful).

When WordPress uses a particular transient, that specific transient is re-created automatically. So, it's normally for ones which are in active use to gradually re-appear. The best way to keep things optimal is to clear the transient options on a scheduled basis. For example, WordPress may create 50 transient option in a week. If you schedule WP-Optimize Cache to clear these options on a weekly basis, you'll have far fewer building up. The table size shows wrong / Not optimizing Please check your database for corrupted tables. That can happen, usually your web hosting company can run the repair command on the db.

To use all features in the plugin, a minimum of version WordPress 4.9 with PHP 7.2 are required. But we do recommend to use the latest version of WordPress. Using PHP 7.2+ is also highly recommended, as our caching feature will work even faster.