WP Compress – Image Optimizer [All-In-One] 5.00.52

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

Page speed impact: 0.033 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=9a6c1250ea
Aspect after-activation
HTTP status 200
Load time 10.857 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 0.651 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 0.237 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.php0.384 s0.272 s-0.112 s2.75 MiB2.84 MiB+ 83.21 KiB
/wp-admin/edit.php0.201 s0.198 s-0.003 s2.8 MiB2.94 MiB+ 147.63 KiB
/wp-admin/post-new.php1.320 s1.704 s+0.384 s4.54 MiB4.69 MiB+ 151.52 KiB
/wp-admin/upload.php0.731 s0.527 s-0.204 s2.63 MiB2.77 MiB+ 148.42 KiB
/wp-admin/options-writing.php0.170 s0.158 s-0.012 s2.64 MiB2.75 MiB+ 111.76 KiB
/wp-admin/media-new.php0.179 s0.164 s-0.015 s2.6 MiB2.75 MiB+ 145.2 KiB
/wp-admin/edit-tags.php?taxonomy=category0.174 s0.231 s+0.057 s2.64 MiB2.79 MiB+ 145.43 KiB
/wp-admin/post-new.php?post_type=page1.175 s1.230 s+0.055 s4.53 MiB4.67 MiB+ 139.1 KiB
/wp-admin/options-discussion.php0.283 s0.359 s+0.076 s2.61 MiB2.75 MiB+ 144.58 KiB
/wp-admin/edit-comments.php0.190 s0.390 s+0.200 s2.65 MiB2.79 MiB+ 145.75 KiB
/0.269 s0.204 s-0.065 s2.56 MiB2.63 MiB+ 71.83 KiB
Average 0.461 s0.494 s+0.033 s3 MiB3.12 MiB+ 130.4 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