Rank Math SEO

Does Rank Math SEO work with WordPress 5.9.1 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: 351.72 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.088 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version5.9.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 1,000,000+
WordPress.org page https://wordpress.org/plugins/seo-by-rank-math/

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Pages 4

Setup Wizard - Rank Math

Page screenshot: Setup Wizard - Rank Math
URL /wp-admin/admin.php?page=rank-math-registration
Requested URL /wp-admin/plugins.php?action=activate&plugin=seo-by-rank-math%2Frank-math.php&plugin_status=all&paged=1&s&_wpnonce=af17b55974
Aspect after-activation
HTTP status 200
Load time 1.117 s
Memory usage N/A
JS errors None
Resource errors None

Tools → Scheduled Actions

Page screenshot: Tools → Scheduled Actions
URL /wp-admin/tools.php?page=action-scheduler
Aspect menu-item
HTTP status 200
Load time 0.180 s
Memory usage 3.77 MiB
JS errors None
Resource errors None

Rank Math

Page screenshot: Rank Math
URL /wp-admin/admin.php?page=rank-math-registration
Aspect menu-item
HTTP status 200
Load time 0.176 s
Memory usage N/A
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 0.224 s
Memory usage 3.69 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.329 s0.246 s-0.083 s3.37 MiB3.71 MiB+ 352.06 KiB
/wp-admin/edit.php0.170 s0.197 s+0.027 s3.4 MiB3.75 MiB+ 353.72 KiB
/wp-admin/post-new.php0.818 s2.640 s+1.822 s6.14 MiB6.49 MiB+ 356.42 KiB
/wp-admin/upload.php0.358 s0.374 s+0.016 s3.25 MiB3.6 MiB+ 359.24 KiB
/wp-admin/options-writing.php0.262 s0.143 s-0.119 s3.24 MiB3.58 MiB+ 343.09 KiB
/wp-admin/media-new.php0.255 s0.191 s-0.064 s3.23 MiB3.58 MiB+ 359.41 KiB
/wp-admin/edit-tags.php?taxonomy=category0.182 s0.245 s+0.063 s3.27 MiB3.61 MiB+ 352.32 KiB
/wp-admin/post-new.php?post_type=page0.939 s0.683 s-0.256 s6.14 MiB6.48 MiB+ 352.01 KiB
/wp-admin/options-discussion.php0.538 s0.222 s-0.316 s3.22 MiB3.57 MiB+ 360.04 KiB
/wp-admin/edit-comments.php0.263 s0.205 s-0.058 s3.27 MiB3.64 MiB+ 376.68 KiB
/0.270 s0.206 s-0.064 s3.4 MiB3.69 MiB+ 303.96 KiB
Average 0.399 s0.487 s+0.088 s3.81 MiB4.15 MiB+ 351.72 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

Language % Lines of code Comment lines Files
Total 43,577 20,961 476

PHP Code Analysis | More results »

Lines of code 36,643
Total complexity 7,630
Median class complexity 21.0
Median method complexity 2.0
Most complex class RankMath\Admin\Importers\AIOSEO
Most complex function RankMath\Tools\Yoast_Local_Converter::get_attributes()
Classes 247
Methods 2,309
Functions 70


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.

Database Tables 6

Options wp_options 15

Custom Post Types 1

ID Name
scheduled-actionScheduled Actions

Capabilities 17

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Rank Math SEO Admin Menus