404 Solution 2.36.10

Does 404 Solution work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
2Database errors
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 47.39 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 version6.8.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 10,000+
WordPress.org page https://wordpress.org/plugins/404-solution/
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Pages 3

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=404-solution%2F404-solution.php&plugin_status=all&paged=1&s&_wpnonce=3bd1c4bf1e
Aspect after-activation
HTTP status 200
Load time 1.317 s
Memory usage 3.57 MiB
JS errors None
Resource errors None

Settings → 404 Solution

Page screenshot: Settings → 404 Solution
URL /wp-admin/options-general.php?page=abj404_solution
Aspect menu-item
HTTP status 200
Load time 0.251 s
Memory usage 3.57 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 0.156 s
Memory usage 3.46 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.320 s0.251 s-0.069 s3.51 MiB3.55 MiB+ 49.01 KiB
/wp-admin/edit.php0.177 s0.178 s+0.001 s3.57 MiB3.62 MiB+ 49.15 KiB
/wp-admin/post-new.php0.669 s0.562 s-0.107 s6.06 MiB6.18 MiB+ 118.09 KiB
/wp-admin/upload.php0.636 s0.477 s-0.159 s3.52 MiB3.55 MiB+ 31.74 KiB
/wp-admin/options-writing.php0.200 s0.173 s-0.027 s3.5 MiB3.54 MiB+ 35.76 KiB
/wp-admin/media-new.php0.254 s0.197 s-0.057 s3.49 MiB3.53 MiB+ 43.93 KiB
/wp-admin/edit-tags.php?taxonomy=category0.164 s0.183 s+0.019 s3.5 MiB3.56 MiB+ 54.88 KiB
/wp-admin/post-new.php?post_type=page0.556 s0.552 s-0.004 s6.05 MiB6.1 MiB+ 50.19 KiB
/wp-admin/options-discussion.php0.221 s0.215 s-0.006 s3.5 MiB3.53 MiB+ 32.27 KiB
/wp-admin/edit-comments.php0.385 s0.176 s-0.209 s3.52 MiB3.55 MiB+ 31.76 KiB
/0.250 s0.346 s+0.096 s3.43 MiB3.46 MiB+ 24.48 KiB
Average 0.348 s0.301 s-0.047 s3.97 MiB4.02 MiB+ 47.39 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
Markdown
Language % Lines of code Comment lines Files
PHP72.4%9,1172,01929
Markdown11.1%1,39502
HTML5.4%6772122
JavaScript5.2%6491708
SQL4.2%52612534
CSS1.4%175161
JSON0.4%4501
Total 12,584 2,351 97

PHP Code Analysis | More results »

Lines of code 9,172
Total complexity 1,993
Median class complexity 26.0
Median method complexity 3.0
Most complex class ABJ_404_Solution_PluginLogic
Most complex function ABJ_404_Solution_PluginLogic::updateOptionsFromPOST()
Classes 28
Methods 386
Functions 8

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.

Database Tables 5

Options wp_options 1

PHP Error Log 16 lines

[01-May-2025 09:31:16 UTC] WordPress database error Table 'wordpress.wp_abj404_lookup' doesn't exist for query 
/* ------------------ /wp-content/plugins/404-solution/includes/sql/correctLookupTableIssue.sql BEGIN ----- */ 

delete from wp_abj404_lookup
where lkup_value in (
    select * from (
	    SELECT DISTINCT lkup_value 
	    FROM wp_abj404_lookup 
	    group by lkup_value 
	    having count(lkup_value) > 1
    ) a
)

/* ------------------ /wp-content/plugins/404-solution/includes/sql/correctLookupTableIssue.sql END ----- */ 
 made by activate_plugin, plugin_sandbox_scrape, include_once('/plugins/404-solution/404-solution.php'), require_once('/plugins/404-solution/includes/Loader.php'), ABJ_404_Solution_SpellChecker::init, ABJ_404_Solution_SpellChecker::getInstance, ABJ_404_Solution_PluginLogic->getOptions, ABJ_404_Solution_PluginLogic->updateToNewVersion, ABJ_404_Solution_PluginLogic->updateToNewVersionAction, ABJ_404_Solution_DatabaseUpgradesEtc->createDatabaseTables, ABJ_404_Solution_DatabaseUpgradesEtc->reallyCreateDatabaseTables, ABJ_404_Solution_DatabaseUpgradesEtc->correctIssuesBefore, ABJ_404_Solution_DataAccess->correctDuplicateLookupValues, ABJ_404_Solution_DataAccess->queryAndGetResults
[01-May-2025 09:31:16 UTC] WordPress database error Table 'wordpress.wp_abj404_spelling_cache' doesn't exist for query delete from wp_abj404_spelling_cache where matchdata is null or matchdata = '' made by activate_plugin, plugin_sandbox_scrape, include_once('/plugins/404-solution/404-solution.php'), require_once('/plugins/404-solution/includes/Loader.php'), ABJ_404_Solution_SpellChecker::init, ABJ_404_Solution_SpellChecker::getInstance, ABJ_404_Solution_PluginLogic->getOptions, ABJ_404_Solution_PluginLogic->updateToNewVersion, ABJ_404_Solution_PluginLogic->updateToNewVersionAction, ABJ_404_Solution_DatabaseUpgradesEtc->createDatabaseTables, ABJ_404_Solution_DatabaseUpgradesEtc->reallyCreateDatabaseTables, ABJ_404_Solution_DatabaseUpgradesEtc->correctIssuesBefore, ABJ_404_Solution_DatabaseUpgradesEtc->correctMatchData, ABJ_404_Solution_DataAccess->queryAndGetResults
See also: All tests for this plugin, How to Hide the "404 Solution" Admin Menu