WP Compress | Image Optimizer 5.00.51

Does WP Compress | Image Optimizer work with WordPress 5.5.1 and PHP 7.4.8? 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: 135.26 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 version5.5.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 1,000+
WordPress.org page https://wordpress.org/plugins/wp-compress-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=wp-compress-image-optimizer%2Fwp-compress.php&plugin_status=all&paged=1&s&_wpnonce=0c5198f4af
Aspect after-activation
HTTP status 200
Load time 10.751 s
Memory usage 3.48 MiB
JS errors None
Resource errors None

Settings → WP Compress

Page screenshot: Settings → WP Compress
URL /wp-admin/options-general.php?page=wpcompress
Aspect menu-item
HTTP status 200
Load time 1.346 s
Memory usage 3.12 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 0.570 s
Memory usage 2.63 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.700 s0.568 s-0.132 s2.75 MiB2.84 MiB+ 83.21 KiB
/wp-admin/edit.php0.363 s0.328 s-0.035 s2.8 MiB2.94 MiB+ 147.63 KiB
/wp-admin/post-new.php2.773 s3.130 s+0.357 s4.54 MiB4.69 MiB+ 151.52 KiB
/wp-admin/upload.php0.626 s1.028 s+0.402 s2.63 MiB2.77 MiB+ 148.42 KiB
/wp-admin/options-writing.php0.349 s0.255 s-0.094 s2.64 MiB2.75 MiB+ 111.76 KiB
/wp-admin/media-new.php0.329 s0.264 s-0.065 s2.6 MiB2.75 MiB+ 145.2 KiB
/wp-admin/edit-tags.php?taxonomy=category0.267 s0.246 s-0.021 s2.64 MiB2.79 MiB+ 145.43 KiB
/wp-admin/post-new.php?post_type=page2.304 s1.956 s-0.348 s4.53 MiB4.67 MiB+ 139.1 KiB
/wp-admin/options-discussion.php0.549 s0.426 s-0.123 s2.61 MiB2.75 MiB+ 144.58 KiB
/wp-admin/edit-comments.php0.451 s0.277 s-0.174 s2.65 MiB2.79 MiB+ 145.75 KiB
/0.860 s0.255 s-0.605 s2.51 MiB2.63 MiB+ 125.27 KiB
Average 0.870 s0.794 s-0.076 s2.99 MiB3.12 MiB+ 135.26 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 2

PHP Error Log

The log file is empty.

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