51Degrees 4.5.16

Does 51Degrees work with WordPress 7.0 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
6PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 131.03 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.

Environment
WordPress version7.0
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 20+
WordPress.org page https://wordpress.org/plugins/51degrees-optimize-by-device-location/
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Pages 9

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=51degrees-optimize-by-device-location%2Ffiftyonedegrees.php&plugin_status=all&paged=1&s&_wpnonce=a8ca11fdfe
Aspect after-activation
HTTP status 200
Load time 0.639 s
Memory usage 4.11 MiB
JS errors None
Resource errors None

Settings → 51Degrees

Page screenshot: Settings → 51Degrees
URL /wp-admin/options-general.php?page=51Degrees
Aspect menu-item
HTTP status 200
Load time 0.527 s
Memory usage 4.01 MiB
JS errors None
Resource errors None

Settings → 51Degrees → Google Analytics

Page screenshot: Settings → 51Degrees → Google Analytics
URL /wp-admin/options-general.php?page=51Degrees&tab=google-analytics
Aspect menu-item-tab
HTTP status 200
Load time 0.465 s
Memory usage 3.99 MiB
JS errors None
Resource errors None

Settings → 51Degrees → Properties

Page screenshot: Settings → 51Degrees → Properties
URL /wp-admin/options-general.php?page=51Degrees&tab=properties
Aspect menu-item-tab
HTTP status 200
Load time 0.682 s
Memory usage 3.99 MiB
JS errors None
Resource errors None

Settings → 51Degrees → Robots.txt

Page screenshot: Settings → 51Degrees → Robots.txt
URL /wp-admin/options-general.php?page=51Degrees&tab=robots
Aspect menu-item-tab
HTTP status 200
Load time 0.676 s
Memory usage 4.04 MiB
JS errors None
Resource errors None

Settings → 51Degrees → Suspicious

Page screenshot: Settings → 51Degrees → Suspicious
URL /wp-admin/options-general.php?page=51Degrees&tab=suspicious
Aspect menu-item-tab
HTTP status 200
Load time 0.484 s
Memory usage 4 MiB
JS errors None
Resource errors None

Settings → 51Degrees → PMP

Page screenshot: Settings → 51Degrees → PMP
URL /wp-admin/options-general.php?page=51Degrees&tab=pmp
Aspect menu-item-tab
HTTP status 200
Load time 0.665 s
Memory usage 4 MiB
JS errors None
Resource errors None

Settings → 51Degrees → Help

Page screenshot: Settings → 51Degrees → Help
URL /wp-admin/options-general.php?page=51Degrees&tab=help
Aspect menu-item-tab
HTTP status 200
Load time 1.625 s
Memory usage 3.99 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.281 s
Memory usage 4.3 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php1.067 s0.640 s-0.427 s3.92 MiB4.07 MiB+ 145.1 KiB
/wp-admin/edit.php0.541 s0.649 s+0.108 s3.98 MiB4.12 MiB+ 143.8 KiB
/wp-admin/post-new.php2.231 s2.174 s-0.057 s6.56 MiB6.69 MiB+ 137.98 KiB
/wp-admin/upload.php0.721 s0.664 s-0.057 s3.89 MiB4.03 MiB+ 146.13 KiB
/wp-admin/options-writing.php0.551 s0.528 s-0.023 s3.86 MiB3.99 MiB+ 130.12 KiB
/wp-admin/media-new.php0.590 s0.525 s-0.065 s3.85 MiB3.99 MiB+ 138.31 KiB
/wp-admin/edit-tags.php?taxonomy=category0.522 s0.525 s+0.003 s3.86 MiB4 MiB+ 143.17 KiB
/wp-admin/post-new.php?post_type=page1.454 s1.621 s+0.167 s6.55 MiB6.68 MiB+ 134.71 KiB
/wp-admin/options-discussion.php0.848 s0.608 s-0.240 s3.86 MiB3.99 MiB+ 126.3 KiB
/wp-admin/edit-comments.php0.548 s0.526 s-0.022 s3.88 MiB4.01 MiB+ 126.12 KiB
/0.309 s0.199 s-0.110 s4.23 MiB4.3 MiB+ 69.64 KiB
Average 0.853 s0.787 s-0.066 s4.4 MiB4.53 MiB+ 131.03 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.

PHP
Language % Lines of code Comment lines Files
PHP92.2%4,0251,29924
JavaScript4.1%177593
YAML1.6%70533
JSON1.2%5203
CSS0.9%4111
Total 4,365 1,412 34

PHP Code Analysis | More results »

Lines of code 3,206
Total complexity 619
Median class complexity 24.0
Median method complexity 3.0
Most complex class FiftyoneService
Most complex function FiftyOneDegreesRobotsTxt::enforce_crawler_redirect()
Classes 15
Methods 147
Functions 5

Additions

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 23

PHP Error Log 6 lines

[02-Jun-2026 07:34:30 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
[02-Jun-2026 07:34:33 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
[02-Jun-2026 07:34:36 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
[02-Jun-2026 07:34:40 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
[02-Jun-2026 07:34:43 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
[02-Jun-2026 07:34:44 UTC] PHP Deprecated:  stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.wp-scripts.php on line 213
See also: All tests for this plugin