EWWW Image Optimizer 8.3.1

Does EWWW Image Optimizer work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
2PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 475.76 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment
WordPress version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000,000+
WordPress.org page https://wordpress.org/plugins/ewww-image-optimizer/
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Pages 5

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=ewww-image-optimizer%2Fewww-image-optimizer.php&plugin_status=all&paged=1&s&_wpnonce=15f9f63256
Aspect after-activation
HTTP status 200
Load time 0.578 s
Memory usage 4.65 MiB
JS errors None
Resource errors None

Media → Bulk Optimize

Page screenshot: Media → Bulk Optimize
URL /wp-admin/upload.php?page=ewww-image-optimizer-bulk
Aspect menu-item
HTTP status 200
Load time 0.467 s
Memory usage 4.21 MiB
JS errors None
Resource errors None

Tools → EWWW Image Optimizer

Page screenshot: Tools → EWWW Image Optimizer
URL /wp-admin/tools.php?page=ewww-image-optimizer-tools
Aspect menu-item
HTTP status 200
Load time 0.289 s
Memory usage 4.17 MiB
JS errors None
Resource errors None

Settings → EWWW Image Optimizer

Page screenshot: Settings → EWWW Image Optimizer
URL /wp-admin/options-general.php?page=ewww-image-optimizer-options
Aspect menu-item
HTTP status 200
Load time 0.439 s
Memory usage 4.21 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.187 s
Memory usage 4.42 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.430 s0.603 s+0.173 s3.77 MiB4.24 MiB+ 480.95 KiB
/wp-admin/edit.php0.370 s0.307 s-0.063 s3.78 MiB4.29 MiB+ 521.39 KiB
/wp-admin/post-new.php0.858 s0.853 s-0.005 s6.3 MiB6.84 MiB+ 548.6 KiB
/wp-admin/upload.php0.678 s0.470 s-0.208 s3.74 MiB4.2 MiB+ 473.27 KiB
/wp-admin/options-writing.php0.323 s0.278 s-0.045 s3.71 MiB4.16 MiB+ 463.14 KiB
/wp-admin/media-new.php0.515 s0.539 s+0.024 s3.7 MiB4.16 MiB+ 473.7 KiB
/wp-admin/edit-tags.php?taxonomy=category0.423 s0.291 s-0.132 s3.71 MiB4.18 MiB+ 482.01 KiB
/wp-admin/post-new.php?post_type=page0.700 s0.646 s-0.054 s6.29 MiB6.82 MiB+ 542.09 KiB
/wp-admin/options-discussion.php0.327 s0.326 s-0.001 s3.71 MiB4.16 MiB+ 459.64 KiB
/wp-admin/edit-comments.php0.333 s0.327 s-0.006 s3.73 MiB4.18 MiB+ 459.14 KiB
/0.262 s0.186 s-0.076 s4.1 MiB4.42 MiB+ 329.41 KiB
Average 0.474 s0.439 s-0.036 s4.23 MiB4.7 MiB+ 475.76 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP
JavaScript
Language % Lines of code Comment lines Files
PHP86.5%36,05210,26353
JavaScript12.9%5,38213819
Bourne Shell0.2%9971
XML0.2%7312
YAML0.1%4401
Markdown0.0%1801
JSON0.0%801
SVG0.0%101
Total 41,677 10,409 79

PHP Code Analysis | More results »

Lines of code 36,065
Total complexity 10,038
Median class complexity 42.5
Median method complexity 4.0
Most complex class EWWW\ExactDN
Most complex function ewww_image_optimizer_options()
Classes 44
Methods 606
Functions 385

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Database Tables 2

Options wp_options 58

PHP Error Log 2 lines

[04-Dec-2025 19:01:26 UTC] PHP Warning:  Trying to access array offset on value of type int in /wp-content/plugins/ewww-image-optimizer/common.php on line 12304
[04-Dec-2025 19:01:26 UTC] PHP Warning:  Trying to access array offset on value of type int in /wp-content/plugins/ewww-image-optimizer/common.php on line 12304
See also: All tests for this plugin, How to Hide EWWW Image Optimizer Admin Menus