Rank Math SEO

Does Rank Math SEO work with WordPress 5.8 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: 350.72 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 version5.8
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=ca028faead
Aspect after-activation
HTTP status 200
Load time 1.643 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 0.240 s
Memory usage 3.53 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 0.162 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 0.212 s
Memory usage 3.24 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.291 s0.262 s-0.029 s3.08 MiB3.43 MiB+ 354.34 KiB
/wp-admin/edit.php0.166 s0.281 s+0.115 s3.11 MiB3.46 MiB+ 357.1 KiB
/wp-admin/post-new.php0.746 s1.070 s+0.324 s5.27 MiB5.61 MiB+ 350.7 KiB
/wp-admin/upload.php0.728 s0.289 s-0.439 s3.03 MiB3.37 MiB+ 353.52 KiB
/wp-admin/options-writing.php0.164 s0.138 s-0.026 s3.02 MiB3.35 MiB+ 337.5 KiB
/wp-admin/media-new.php0.260 s0.318 s+0.058 s3.01 MiB3.35 MiB+ 353.7 KiB
/wp-admin/edit-tags.php?taxonomy=category0.171 s0.214 s+0.043 s3.04 MiB3.38 MiB+ 354.6 KiB
/wp-admin/post-new.php?post_type=page0.751 s0.781 s+0.030 s5.26 MiB5.6 MiB+ 350.29 KiB
/wp-admin/options-discussion.php0.280 s0.317 s+0.037 s3 MiB3.35 MiB+ 354.32 KiB
/wp-admin/edit-comments.php0.200 s0.226 s+0.026 s3.04 MiB3.39 MiB+ 352.92 KiB
/0.293 s0.261 s-0.032 s2.91 MiB3.24 MiB+ 338.95 KiB
Average 0.368 s0.378 s+0.010 s3.43 MiB3.78 MiB+ 350.72 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 40,760 20,174 451

PHP Code Analysis | More results »

Lines of code 34,964
Total complexity 7,306
Median class complexity 20.0
Median method complexity 2.0
Most complex class RankMath\Admin\Importers\AIOSEO
Most complex function RankMath\Tools\Yoast_Local_Converter::get_attributes()
Classes 240
Methods 2,212
Functions 68


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 14

Custom Post Types 1

ID Name
scheduled-actionScheduled Actions

Capabilities 16

PHP Error Log

The log file is empty.

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