reSmush.it Image Optimizer 1.0.4

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

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 63.56 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 100,000+
WordPress.org page https://wordpress.org/plugins/resmushit-image-optimizer/
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Pages 3

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=resmushit-image-optimizer%2Fresmushit.php&plugin_status=all&paged=1&s&_wpnonce=4bcf7a33bb
Aspect after-activation
HTTP status 200
Load time 0.409 s
Memory usage 3.79 MiB
JS errors None
Resource errors None

Settings → reSmush.it

Page screenshot: Settings → reSmush.it
URL /wp-admin/options-general.php?page=resmushit_options
Aspect menu-item
HTTP status 200
Load time 0.495 s
Memory usage 3.78 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 0.224 s
Memory usage 4.15 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.451 s0.356 s-0.095 s3.77 MiB3.84 MiB+ 65.45 KiB
/wp-admin/edit.php0.361 s0.317 s-0.044 s3.78 MiB3.84 MiB+ 62.28 KiB
/wp-admin/post-new.php0.854 s1.076 s+0.222 s6.3 MiB6.4 MiB+ 103.23 KiB
/wp-admin/upload.php0.616 s0.509 s-0.107 s3.74 MiB3.78 MiB+ 44.88 KiB
/wp-admin/options-writing.php0.332 s0.299 s-0.033 s3.71 MiB3.76 MiB+ 48.87 KiB
/wp-admin/media-new.php0.507 s0.293 s-0.214 s3.7 MiB3.75 MiB+ 57.06 KiB
/wp-admin/edit-tags.php?taxonomy=category0.334 s0.299 s-0.035 s3.71 MiB3.78 MiB+ 67.73 KiB
/wp-admin/post-new.php?post_type=page0.701 s0.667 s-0.034 s6.29 MiB6.4 MiB+ 104.66 KiB
/wp-admin/options-discussion.php0.329 s0.394 s+0.065 s3.71 MiB3.75 MiB+ 45.37 KiB
/wp-admin/edit-comments.php0.324 s0.324 s+0.000 s3.73 MiB3.77 MiB+ 44.87 KiB
/0.279 s0.191 s-0.088 s4.1 MiB4.15 MiB+ 54.72 KiB
Average 0.463 s0.430 s-0.033 s4.23 MiB4.29 MiB+ 63.56 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
CSS
Language % Lines of code Comment lines Files
PHP73.6%4,1521,01524
CSS11.9%66964
Sass6.5%367134
JavaScript5.3%300461
SVG1.5%8301
JSON1.2%6805
Total 5,639 1,080 39

PHP Code Analysis | More results »

Lines of code 4,105
Total complexity 924
Median class complexity 44.0
Median method complexity 2.0
Most complex class Resmush\FileSystem\Model\File\FileModel
Most complex function Resmush\Notices\NoticeModel::getForDisplay()
Classes 18
Methods 248
Functions 3

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.

Options wp_options 12

PHP Error Log 4 lines

[03-Dec-2025 00:34:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:34:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:34:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:34:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide the "reSmush.it" Admin Menu