WP Compress – Image Optimizer [All-In-One] 5.00.43

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: 0.332 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=c9692b950b
Aspect after-activation
HTTP status 200
Load time 2.041 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 1.246 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 0.298 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.php0.468 s0.821 s+0.353 s2.75 MiB2.91 MiB+ 160.22 KiB
/wp-admin/edit.php0.229 s0.625 s+0.396 s2.8 MiB2.96 MiB+ 166.42 KiB
/wp-admin/post-new.php1.526 s2.143 s+0.617 s4.54 MiB4.7 MiB+ 155.73 KiB
/wp-admin/upload.php0.719 s1.086 s+0.367 s2.63 MiB2.79 MiB+ 167.24 KiB
/wp-admin/options-writing.php0.188 s0.520 s+0.332 s2.64 MiB2.77 MiB+ 125.08 KiB
/wp-admin/media-new.php0.209 s0.541 s+0.332 s2.6 MiB2.76 MiB+ 164.02 KiB
/wp-admin/edit-tags.php?taxonomy=category0.210 s0.610 s+0.400 s2.64 MiB2.8 MiB+ 164.25 KiB
/wp-admin/post-new.php?post_type=page1.324 s1.714 s+0.390 s4.53 MiB4.67 MiB+ 143.32 KiB
/wp-admin/options-discussion.php0.413 s0.685 s+0.272 s2.61 MiB2.76 MiB+ 157.59 KiB
/wp-admin/edit-comments.php0.211 s0.558 s+0.347 s2.65 MiB2.81 MiB+ 164.57 KiB
/0.359 s0.209 s-0.150 s2.56 MiB2.63 MiB+ 69.77 KiB
Average 0.532 s0.865 s+0.332 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