Rank Math SEO

Does Rank Math SEO work with WordPress 5.9 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: 350.38 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 version5.9
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=b6c08732d5
Aspect after-activation
HTTP status 200
Load time 1.112 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 0.205 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 0.234 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 0.360 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.php0.353 s0.434 s+0.081 s3.36 MiB3.71 MiB+ 352.06 KiB
/wp-admin/edit.php0.422 s0.199 s-0.223 s3.39 MiB3.74 MiB+ 353.72 KiB
/wp-admin/post-new.php1.433 s1.396 s-0.037 s6.14 MiB6.5 MiB+ 360.42 KiB
/wp-admin/upload.php0.431 s0.343 s-0.088 s3.24 MiB3.59 MiB+ 359.24 KiB
/wp-admin/options-writing.php0.313 s0.146 s-0.167 s3.24 MiB3.57 MiB+ 343.09 KiB
/wp-admin/media-new.php0.286 s0.217 s-0.069 s3.22 MiB3.57 MiB+ 359.41 KiB
/wp-admin/edit-tags.php?taxonomy=category0.191 s0.197 s+0.006 s3.25 MiB3.6 MiB+ 360.32 KiB
/wp-admin/post-new.php?post_type=page0.955 s1.140 s+0.185 s6.14 MiB6.48 MiB+ 352.01 KiB
/wp-admin/options-discussion.php0.268 s0.352 s+0.084 s3.22 MiB3.57 MiB+ 360.04 KiB
/wp-admin/edit-comments.php0.242 s0.233 s-0.009 s3.26 MiB3.61 MiB+ 350.64 KiB
/0.400 s0.216 s-0.184 s3.4 MiB3.69 MiB+ 303.18 KiB
Average 0.481 s0.443 s-0.038 s3.81 MiB4.15 MiB+ 350.38 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 43,271 20,862 475

PHP Code Analysis | More results »

Lines of code 36,486
Total complexity 7,591
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 246
Methods 2,298
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