WP Compress – Image Optimizer [All-In-One] 5.00.42

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: 148.93 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.360 seconds
The average page load time increased by this amount after activating the plugin.

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/

WordPress compatibility badge PHP compatibility badge

Get badge code

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=85b75d4988
Aspect after-activation
HTTP status 200
Load time 2.468 s
Memory usage 3.59 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 1.363 s
Memory usage 3.13 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 0.286 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.php0.474 s0.847 s+0.373 s2.75 MiB2.91 MiB+ 160.22 KiB
/wp-admin/edit.php0.232 s0.602 s+0.370 s2.8 MiB2.96 MiB+ 166.42 KiB
/wp-admin/post-new.php1.646 s2.385 s+0.739 s4.54 MiB4.7 MiB+ 155.73 KiB
/wp-admin/upload.php0.747 s1.192 s+0.445 s2.63 MiB2.79 MiB+ 167.24 KiB
/wp-admin/options-writing.php0.185 s0.564 s+0.379 s2.64 MiB2.77 MiB+ 125.08 KiB
/wp-admin/media-new.php0.209 s0.545 s+0.336 s2.6 MiB2.76 MiB+ 164.02 KiB
/wp-admin/edit-tags.php?taxonomy=category0.204 s0.568 s+0.364 s2.64 MiB2.8 MiB+ 164.25 KiB
/wp-admin/post-new.php?post_type=page1.442 s1.839 s+0.397 s4.53 MiB4.67 MiB+ 143.32 KiB
/wp-admin/options-discussion.php0.320 s0.678 s+0.358 s2.61 MiB2.76 MiB+ 157.59 KiB
/wp-admin/edit-comments.php0.259 s0.564 s+0.305 s2.65 MiB2.81 MiB+ 164.57 KiB
/0.322 s0.220 s-0.102 s2.56 MiB2.63 MiB+ 69.77 KiB
Average 0.549 s0.909 s+0.360 s3 MiB3.14 MiB+ 148.93 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

User Metadata wp_usermeta 1

PHP Error Log

The log file is empty.

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