Report - 404 Solution 2.31.13

Does 404 Solution work with WordPress 6.2 and PHP 8.1.12? A smoke test was performed on 2023-04-12 08:39:44 UTC.

Summary

Errors

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

Performance

Memory usage: 29.4 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 version	6.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-04-29T21:28:00+00:00
Active installs	10,000+
WordPress.org page	https://wordpress.org/plugins/404-solution/
Badges	Get badge code

Pages 3

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=ec165d964c
Aspect	after-activation
HTTP status	200
Load time	1.716 s
Memory usage	3.05 MiB
JS errors	None
Resource errors	None

Settings → 404 Solution

URL	/wp-admin/options-general.php?page=abj404_solution
Aspect	menu-item
HTTP status	200
Load time	0.471 s
Memory usage	3.08 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.303 s
Memory usage	2.98 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.321 s	0.261 s	-0.060 s	3.07 MiB	3.11 MiB	+ 39.73 KiB
/wp-admin/edit.php	0.212 s	0.198 s	-0.014 s	3.1 MiB	3.14 MiB	+ 39.64 KiB
/wp-admin/post-new.php	0.862 s	1.041 s	+0.179 s	5.02 MiB	5.06 MiB	+ 44.87 KiB
/wp-admin/upload.php	0.874 s	0.332 s	-0.542 s	3.02 MiB	3.04 MiB	+ 22.27 KiB
/wp-admin/options-writing.php	0.198 s	0.159 s	-0.039 s	3.01 MiB	3.02 MiB	+ 9.03 KiB
/wp-admin/media-new.php	0.305 s	0.187 s	-0.118 s	2.99 MiB	3.03 MiB	+ 34.46 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.212 s	0.193 s	-0.019 s	3.01 MiB	3.04 MiB	+ 39.63 KiB
/wp-admin/post-new.php?post_type=page	0.677 s	0.765 s	+0.088 s	5.01 MiB	5.05 MiB	+ 40.45 KiB
/wp-admin/options-discussion.php	0.233 s	0.300 s	+0.067 s	3 MiB	3.02 MiB	+ 23.08 KiB
/wp-admin/edit-comments.php	0.285 s	0.216 s	-0.069 s	3.03 MiB	3.05 MiB	+ 22.27 KiB
/	0.362 s	0.184 s	-0.178 s	2.97 MiB	2.98 MiB	+ 8.01 KiB
Average	0.413 s	0.349 s	-0.064 s	3.38 MiB	3.41 MiB	+ 29.4 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
	PHP	72.3%	8,184	1,792	28
	Markdown	10.4%	1,179	0	2
	JavaScript	5.7%	649	170	8
	HTML	5.4%	610	18	21
	SQL	4.2%	475	117	32
	CSS	1.5%	172	16	1
	JSON	0.4%	45	0	1
Total			11,314	2,113	93

PHP Code Analysis | More results »

Lines of code	8,238
Total complexity	1,765
Median class complexity	23.5
Median method complexity	3.0
Most complex class	ABJ_404_Solution_PluginLogic
Most complex function	ABJ_404_Solution_PluginLogic::updateOptionsFromPOST()

Classes	26
Methods	357
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

wp_abj404_logsv2
wp_abj404_lookup
wp_abj404_permalink_cache
wp_abj404_redirects
wp_abj404_spelling_cache

Options `wp_options` 1

abj404_settings

PHP Error Log 16 lines

[12-Apr-2023 08:40:01 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
[12-Apr-2023 08:40:01 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

404 Solution 2.31.13