WP Compress – Image Optimizer [All-In-One] 5.00.41

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: 0.355 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/

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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=c8d4e0c19c
Aspect after-activation
HTTP status 200
Load time 1.675 s
Memory usage 3.58 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 1.179 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 0.391 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.php0.456 s0.896 s+0.440 s2.75 MiB2.91 MiB+ 160.22 KiB
/wp-admin/edit.php0.227 s0.599 s+0.372 s2.8 MiB2.96 MiB+ 166.42 KiB
/wp-admin/post-new.php1.483 s2.095 s+0.612 s4.54 MiB4.7 MiB+ 155.73 KiB
/wp-admin/upload.php0.746 s1.113 s+0.367 s2.63 MiB2.79 MiB+ 167.24 KiB
/wp-admin/options-writing.php0.184 s0.518 s+0.334 s2.64 MiB2.77 MiB+ 125.08 KiB
/wp-admin/media-new.php0.208 s0.691 s+0.483 s2.6 MiB2.76 MiB+ 164.02 KiB
/wp-admin/edit-tags.php?taxonomy=category0.183 s0.549 s+0.366 s2.64 MiB2.8 MiB+ 164.25 KiB
/wp-admin/post-new.php?post_type=page1.375 s1.761 s+0.386 s4.53 MiB4.67 MiB+ 143.32 KiB
/wp-admin/options-discussion.php0.287 s0.633 s+0.346 s2.61 MiB2.76 MiB+ 157.59 KiB
/wp-admin/edit-comments.php0.206 s0.611 s+0.405 s2.65 MiB2.81 MiB+ 164.57 KiB
/0.403 s0.201 s-0.202 s2.56 MiB2.63 MiB+ 69.77 KiB
Average 0.523 s0.879 s+0.355 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