Image Optimizer 0.4.13

Does Image Optimizer work with WordPress 6.4.3 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: 33.29 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 version6.4.3
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=b0f82fd6d6
Aspect after-activation
HTTP status 200
Load time 0.522 s
Memory usage 3.37 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 0.696 s
Memory usage 3.35 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 0.270 s
Memory usage 3.34 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.410 s0.370 s-0.040 s3.38 MiB3.43 MiB+ 46.84 KiB
/wp-admin/edit.php0.430 s0.244 s-0.186 s3.41 MiB3.45 MiB+ 45.59 KiB
/wp-admin/post-new.php0.831 s0.667 s-0.164 s5.46 MiB5.5 MiB+ 42.67 KiB
/wp-admin/upload.php0.520 s0.545 s+0.025 s3.32 MiB3.35 MiB+ 27.72 KiB
/wp-admin/options-writing.php0.233 s0.224 s-0.009 s3.32 MiB3.34 MiB+ 22.08 KiB
/wp-admin/media-new.php0.341 s0.320 s-0.021 s3.3 MiB3.34 MiB+ 44 KiB
/wp-admin/edit-tags.php?taxonomy=category0.209 s0.207 s-0.002 s3.31 MiB3.36 MiB+ 46.85 KiB
/wp-admin/post-new.php?post_type=page0.852 s0.615 s-0.237 s5.45 MiB5.49 MiB+ 44.91 KiB
/wp-admin/options-discussion.php0.304 s0.268 s-0.036 s3.3 MiB3.33 MiB+ 29.98 KiB
/wp-admin/edit-comments.php0.318 s0.213 s-0.105 s3.34 MiB3.36 MiB+ 28.74 KiB
/0.298 s0.211 s-0.087 s3.36 MiB3.35 MiB- 13.15 KiB
Average 0.431 s0.353 s-0.078 s3.72 MiB3.76 MiB+ 33.29 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

[31-Jan-2024 00:35:23 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/kses.php on line 1744
See also: All tests for this plugin, How to Hide the "" Admin Menu