Image Optimizer 0.4.11

Does Image Optimizer work with WordPress 6.3.1 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: 30.68 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 version6.3.1
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=bf05d57861
Aspect after-activation
HTTP status 200
Load time 0.350 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 0.745 s
Memory usage 2.78 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 0.180 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.php0.326 s0.258 s-0.068 s2.82 MiB2.86 MiB+ 37.35 KiB
/wp-admin/edit.php0.199 s0.210 s+0.011 s2.85 MiB2.89 MiB+ 36.83 KiB
/wp-admin/post-new.php0.841 s0.549 s-0.292 s5.21 MiB5.27 MiB+ 54.33 KiB
/wp-admin/upload.php0.545 s0.427 s-0.118 s2.77 MiB2.79 MiB+ 18.95 KiB
/wp-admin/options-writing.php0.204 s0.186 s-0.018 s2.76 MiB2.77 MiB+ 12.69 KiB
/wp-admin/media-new.php0.375 s0.261 s-0.114 s2.74 MiB2.77 MiB+ 35.23 KiB
/wp-admin/edit-tags.php?taxonomy=category0.198 s0.171 s-0.027 s2.76 MiB2.79 MiB+ 38.09 KiB
/wp-admin/post-new.php?post_type=page0.589 s0.525 s-0.064 s5.21 MiB5.24 MiB+ 36.51 KiB
/wp-admin/options-discussion.php0.213 s0.198 s-0.015 s2.75 MiB2.77 MiB+ 21.21 KiB
/wp-admin/edit-comments.php0.367 s0.199 s-0.168 s2.78 MiB2.8 MiB+ 19.98 KiB
/0.278 s0.200 s-0.078 s3.13 MiB3.16 MiB+ 26.32 KiB
Average 0.376 s0.289 s-0.086 s3.25 MiB3.28 MiB+ 30.68 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 File17.6%3991553
Total 2,273 738 12

PHP Code Analysis | More results »

Lines of code 1,334
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

[29-Aug-2023 22:51:17 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