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WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance v4.6.1

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

Plugin Auditor is an independent service and is not affiliated with, endorsed by, or sponsored by WP-Optimize or its developer. Disclaimer.

  • Audit coverage Up to date 30 versions audited
  • On Plugin Auditor since Aug 31, 2026
  • Last audited Aug 31, 2026

Compatibility & requirements

The PHP and WordPress versions this plugin needs, and how current its version support is.

  • Requires PHP 7.2+
  • Requires WordPress 4.9+
  • Tested up to WP 7.1 WP 7.1.3 is current
  • Version adoption 46% run the current version

Audit scores by category

125 checks

How this plugin scores across the six areas we audit, from security to accessibility.

  • 95 Passed
  • 23 Warnings
  • 7 Failed
Security 73/100
Needs Improvement

27 of 37 checks passed.

Code Quality 92/100
Excellent

56 of 61 checks passed.

Performance 50/100
Needs Improvement

6 of 12 checks passed.

Compatibility 50/100
Needs Improvement

3 of 6 checks passed.

Privacy 33/100
Poor

1 of 3 checks passed.

Accessibility 33/100
Poor

2 of 6 checks passed.

Code footprint

How much code ships in this plugin, and the file types that make it up.

View in detail

ZIP file size

4.2 MB

9.7 MB unzipped

Total files

1,030

across all file types

Lines of PHP

44,253

in 167 files Large

File types

  • PHP
  • MD
  • JS
  • PNG
  • Other

Top issues

The most important findings from the latest audit, ordered by severity.

  • 0 Critical
  • 18 High
  • 220 Medium
  • 51 Low

This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.

View full report

How scores changed across versions

Across 30 audited versions of WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance, Accessibility improved the most (+16). No category regressed over this span. The codebase grew 2% in size.

Audited 3.3.2 → 4.6.1 · 30 versions

0 50 100 3.3.2 4.0.1 4.4.0 4.6.1

How issues changed across versions

Findings by severity for each audited version, so you can see which issues were fixed over time.

0 208 415 3.3.2 4.0.1 4.4.0 4.6.1

Download momentum

How fast this plugin is being installed lately, and whether that pace is rising or slowing.

Last 7 days

68,926

downloads

Today

5,286

downloads

Week over week

−52%

vs previous week

Month over month

+10%

vs previous month

Download trend: Growing. Abandonment risk: None.

Version intelligence

54% of installs run an older version

≈ 538K+ sites on a lower-scoring version.

  • Other
  • v3.2
  • v4.5
  • v4.6

Ratings

2,603 ratings on WordPress.org

  • 5 2,386
  • 4 79
  • 3 25
  • 2 26
  • 1 87

Support: 17 / 21 threads resolved in the last two months

Maintenance & history

How actively this plugin is kept up, from its last update to its release history.

Last updated

This month

Jul 29, 2026

Actively maintained

Release cadence

~ every 27 days

average between releases

Total releases

109

since Nov 2009 · 17 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running WP-Optimize in Your Site?

Our latest audit of WP-Optimize v4.6.1 flagged 289 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

WP-Optimize and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.