Rank Math SEO

Does Rank Math SEO work with WordPress 5.8.2 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: 349.74 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 version5.8.2
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=4d2c52368c
Aspect after-activation
HTTP status 200
Load time 1.469 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 0.192 s
Memory usage 3.55 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 0.149 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 0.206 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.php0.294 s0.261 s-0.033 s3.08 MiB3.43 MiB+ 357.69 KiB
/wp-admin/edit.php0.174 s0.204 s+0.030 s3.11 MiB3.46 MiB+ 360.45 KiB
/wp-admin/post-new.php0.737 s0.919 s+0.182 s5.27 MiB5.61 MiB+ 354.05 KiB
/wp-admin/upload.php0.359 s0.321 s-0.038 s3.03 MiB3.38 MiB+ 356.87 KiB
/wp-admin/options-writing.php0.135 s0.149 s+0.014 s3.02 MiB3.36 MiB+ 340.84 KiB
/wp-admin/media-new.php0.445 s0.227 s-0.218 s3.01 MiB3.36 MiB+ 357.04 KiB
/wp-admin/edit-tags.php?taxonomy=category0.184 s0.311 s+0.127 s3.04 MiB3.39 MiB+ 357.95 KiB
/wp-admin/post-new.php?post_type=page0.588 s0.646 s+0.058 s5.26 MiB5.6 MiB+ 353.63 KiB
/wp-admin/options-discussion.php0.235 s0.235 s+0.000 s3 MiB3.35 MiB+ 357.66 KiB
/wp-admin/edit-comments.php0.225 s0.210 s-0.015 s3.04 MiB3.39 MiB+ 356.27 KiB
/0.258 s0.217 s-0.041 s2.96 MiB3.24 MiB+ 294.65 KiB
Average 0.330 s0.336 s+0.006 s3.44 MiB3.78 MiB+ 349.74 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 42,529 20,448 469

PHP Code Analysis | More results »

Lines of code 35,799
Total complexity 7,462
Median class complexity 21.0
Median method complexity 3.0
Most complex class RankMath\Admin\Importers\AIOSEO
Most complex function RankMath\Tools\Yoast_Local_Converter::get_attributes()
Classes 243
Methods 2,249
Functions 69


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 17

PHP Error Log

The log file is empty.

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