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CompressX — AVIF & WebP Converter, Media Replacement v0.9.39

AVIF & WebP converter with built-in media replacement for local image optimization.

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

  • Audit coverage Up to date 30 versions audited
  • On Plugin Auditor since Sep 8, 2026
  • Last audited Sep 8, 2026

Compatibility & requirements

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

  • Requires PHP 7.0+
  • Requires WordPress 5.8+
  • Tested up to WP 7.0.2 WP 7.1.3 is current
  • Version adoption 100% run the current version

Audit scores by category

125 checks

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

  • 85 Passed
  • 30 Warnings
  • 10 Failed
Security 73/100
Needs Improvement

27 of 37 checks passed.

Code Quality 70/100
Needs Improvement

43 of 61 checks passed.

Performance 50/100
Needs Improvement

6 of 12 checks passed.

Compatibility 67/100
Needs Improvement

4 of 6 checks passed.

Privacy 100/100
Excellent

3 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

451.2 KB

2.2 MB unzipped

Total files

82

across all file types

Lines of PHP

25,406

in 42 files Medium

File types

  • PHP
  • JS
  • CSS
  • PNG
  • Other

Top issues

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

  • 26 Critical
  • 184 High
  • 264 Medium
  • 165 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 CompressX — AVIF & WebP Converter, Media Replacement, The largest regression was in Accessibility (-17). The codebase grew 121% in size.

Audited 0.9.10 → 0.9.39 · 30 versions

0 50 100 0.9.10 0.9.20 0.9.30 0.9.39

How issues changed across versions

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

0 445 890 0.9.10 0.9.20 0.9.30 0.9.39

Download momentum

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

Last 7 days

2,049

downloads

Today

334

downloads

Week over week

−16%

vs previous week

Month over month

−56%

vs previous month

Download trend: Declining. Abandonment risk: None.

Version intelligence

100% of installs run the current version

  • v0.9

Ratings

191 ratings on WordPress.org

  • 5 191
  • 4 0
  • 3 0
  • 2 0
  • 1 0

Support: 2 / 2 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

1 mo ago

Jul 29, 2026

Actively maintained

Release cadence

~ every 10 days

average between releases

Total releases

38

since Jul 2024 · 2 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running CompressX in Your Site?

Our latest audit of CompressX v0.9.39 flagged 639 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

CompressX 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.