Image Optimizer 0.3.9

Does Image Optimizer work with WordPress 5.4.2 and PHP 7.2.16? A smoke test was performed on .


No PHP errors, warnings or notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Looks good! No problems were detected.

Memory usage: 44.84 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 version5.4.2
PHP version7.2.16
MySQL version8.0.15
PHP memory limit256M
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=671aeaa1a4
Aspect after-activation
HTTP status 200
Load time 0.432 s
Memory usage 3.62 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 1.659 s
Memory usage 3.61 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 0.348 s
Memory usage 3.35 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.369 s0.299 s-0.070 s3.64 MiB3.69 MiB+ 49.34 KiB
/wp-admin/edit.php0.236 s0.237 s+0.001 s3.67 MiB3.71 MiB+ 41.34 KiB
/wp-admin/post-new.php1.280 s1.630 s+0.350 s5.43 MiB5.47 MiB+ 40.47 KiB
/wp-admin/upload.php0.808 s0.482 s-0.326 s3.5 MiB3.6 MiB+ 101.2 KiB
/wp-admin/options-writing.php0.168 s0.155 s-0.013 s3.58 MiB3.59 MiB+ 10.77 KiB
/wp-admin/media-new.php0.209 s0.210 s+0.001 s3.48 MiB3.58 MiB+ 105.48 KiB
/wp-admin/edit-tags.php?taxonomy=category0.184 s0.180 s-0.004 s3.58 MiB3.62 MiB+ 41.28 KiB
/wp-admin/post-new.php?post_type=page1.112 s1.177 s+0.065 s5.42 MiB5.46 MiB+ 40.39 KiB
/wp-admin/options-discussion.php0.285 s0.244 s-0.041 s3.48 MiB3.59 MiB+ 104.69 KiB
/wp-admin/edit-comments.php0.229 s0.203 s-0.026 s3.59 MiB3.63 MiB+ 40.19 KiB
/0.355 s0.213 s-0.142 s3.43 MiB3.35 MiB- 81.95 KiB
Average 0.476 s0.457 s-0.019 s3.89 MiB3.93 MiB+ 44.84 KiB


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 3

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide the "" Admin Menu