Image Optimizer 0.4.12

Does Image Optimizer work with WordPress 6.3.2 and PHP 8.1.12? A smoke test was performed on .


1PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors

Memory usage: 30.77 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.

WordPress version6.3.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+ page

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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=8ece31c097
Aspect after-activation
HTTP status 200
Load time 0.511 s
Memory usage 2.8 MiB
JS errors None
Resource errors None

Media →

Page screenshot: Media →
URL /wp-admin/upload.php?page=resmushit_options
Aspect menu-item
HTTP status 200
Load time 0.687 s
Memory usage 2.79 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
Aspect front-page
HTTP status 200
Load time 0.213 s
Memory usage 3.1 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.377 s0.343 s-0.034 s2.83 MiB2.86 MiB+ 38.15 KiB
/wp-admin/edit.php0.207 s0.241 s+0.034 s2.85 MiB2.89 MiB+ 36.84 KiB
/wp-admin/post-new.php0.759 s0.582 s-0.177 s5.22 MiB5.27 MiB+ 54.34 KiB
/wp-admin/upload.php0.508 s0.499 s-0.009 s2.77 MiB2.79 MiB+ 18.96 KiB
/wp-admin/options-writing.php0.206 s0.272 s+0.066 s2.76 MiB2.78 MiB+ 12.7 KiB
/wp-admin/media-new.php0.363 s0.277 s-0.086 s2.74 MiB2.78 MiB+ 35.25 KiB
/wp-admin/edit-tags.php?taxonomy=category0.186 s0.202 s+0.016 s2.76 MiB2.8 MiB+ 38.1 KiB
/wp-admin/post-new.php?post_type=page0.603 s0.527 s-0.076 s5.21 MiB5.25 MiB+ 36.52 KiB
/wp-admin/options-discussion.php0.215 s0.250 s+0.035 s2.75 MiB2.77 MiB+ 21.23 KiB
/wp-admin/edit-comments.php0.234 s0.221 s-0.013 s2.78 MiB2.8 MiB+ 19.99 KiB
/0.294 s0.209 s-0.085 s3.13 MiB3.16 MiB+ 26.32 KiB
Average 0.359 s0.329 s-0.030 s3.25 MiB3.29 MiB+ 30.77 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.

PO File
Language % Lines of code Comment lines Files
PO File17.5%3991553
Total 2,283 738 12

PHP Code Analysis | More results »

Lines of code 1,344
Total complexity 295
Median class complexity 54.0
Median method complexity 3.0
Most complex class reSmushitUI
Most complex function resmushit_activate()
Classes 3
Methods 33
Functions 35


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 1 lines

[13-Oct-2023 00:02:58 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/kses.php on line 1735
See also: All tests for this plugin, How to Hide the "" Admin Menu