WP Compress – Image Optimizer [All-In-One] 5.00.55

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

Page speed impact: 0.023 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=6c0f46699a
Aspect after-activation
HTTP status 200
Load time 21.398 s
Memory usage 3.49 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 0.949 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 0.546 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.php0.613 s0.610 s-0.003 s2.75 MiB2.84 MiB+ 83.29 KiB
/wp-admin/edit.php0.296 s0.322 s+0.026 s2.8 MiB2.94 MiB+ 147.71 KiB
/wp-admin/post-new.php2.477 s2.499 s+0.022 s4.54 MiB4.69 MiB+ 151.59 KiB
/wp-admin/upload.php0.618 s0.839 s+0.221 s2.63 MiB2.77 MiB+ 148.5 KiB
/wp-admin/options-writing.php0.215 s0.220 s+0.005 s2.64 MiB2.75 MiB+ 111.84 KiB
/wp-admin/media-new.php0.264 s0.244 s-0.020 s2.6 MiB2.75 MiB+ 145.28 KiB
/wp-admin/edit-tags.php?taxonomy=category0.221 s0.243 s+0.022 s2.64 MiB2.79 MiB+ 145.51 KiB
/wp-admin/post-new.php?post_type=page2.169 s2.024 s-0.145 s4.53 MiB4.67 MiB+ 139.18 KiB
/wp-admin/options-discussion.php0.330 s0.589 s+0.259 s2.61 MiB2.75 MiB+ 144.66 KiB
/wp-admin/edit-comments.php0.296 s0.288 s-0.008 s2.65 MiB2.79 MiB+ 145.83 KiB
/0.396 s0.270 s-0.126 s2.56 MiB2.63 MiB+ 71.91 KiB
Average 0.718 s0.741 s+0.023 s3 MiB3.12 MiB+ 130.48 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