WP Compress – Image Optimizer [All-In-One] 5.01.00

Does WP Compress | Image Optimizer work with WordPress 5.5.3 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: 144.38 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

WordPress version5.5.3
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=8ab5b414f4
Aspect after-activation
HTTP status 200
Load time 2.150 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 0.857 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 0.295 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.php0.498 s0.368 s-0.130 s2.75 MiB2.85 MiB+ 97.17 KiB
/wp-admin/edit.php0.409 s0.356 s-0.053 s2.8 MiB2.95 MiB+ 161.91 KiB
/wp-admin/post-new.php3.742 s1.747 s-1.995 s4.54 MiB4.71 MiB+ 165.48 KiB
/wp-admin/upload.php0.460 s0.605 s+0.145 s2.63 MiB2.79 MiB+ 162.7 KiB
/wp-admin/options-writing.php0.172 s0.175 s+0.003 s2.64 MiB2.77 MiB+ 126.03 KiB
/wp-admin/media-new.php0.233 s0.188 s-0.045 s2.6 MiB2.76 MiB+ 159.48 KiB
/wp-admin/edit-tags.php?taxonomy=category0.199 s0.204 s+0.005 s2.64 MiB2.8 MiB+ 159.7 KiB
/wp-admin/post-new.php?post_type=page1.553 s1.513 s-0.040 s4.53 MiB4.69 MiB+ 161.06 KiB
/wp-admin/options-discussion.php0.353 s0.337 s-0.016 s2.61 MiB2.76 MiB+ 158.85 KiB
/wp-admin/edit-comments.php0.216 s0.223 s+0.007 s2.65 MiB2.8 MiB+ 160.02 KiB
/0.349 s0.285 s-0.064 s2.56 MiB2.63 MiB+ 75.73 KiB
Average 0.744 s0.546 s-0.198 s3 MiB3.14 MiB+ 144.38 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