Report - 404 Solution 2.31.8

Does 404 Solution work with WordPress 6.1.1 and PHP 8.1.12? A smoke test was performed on 2022-12-16 22:53:13 UTC.

Summary

Errors

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

Performance

Memory usage: 29.39 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.042 seconds
The average page load time increased by this amount after activating the plugin.

Environment

WordPress version	6.1.1
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=c6d484d40c
Aspect	after-activation
HTTP status	200
Load time	1.433 s
Memory usage	3.03 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	0.256 s
Memory usage	3.05 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.190 s
Memory usage	2.95 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.292 s	0.589 s	+0.297 s	3.05 MiB	3.08 MiB	+ 39.73 KiB
/wp-admin/edit.php	0.196 s	0.306 s	+0.110 s	3.07 MiB	3.11 MiB	+ 39.64 KiB
/wp-admin/post-new.php	0.771 s	0.956 s	+0.185 s	4.97 MiB	5.01 MiB	+ 44.87 KiB
/wp-admin/upload.php	0.544 s	0.297 s	-0.247 s	2.99 MiB	3.01 MiB	+ 22.27 KiB
/wp-admin/options-writing.php	0.147 s	0.151 s	+0.004 s	2.99 MiB	3 MiB	+ 8.92 KiB
/wp-admin/media-new.php	0.327 s	0.227 s	-0.100 s	2.97 MiB	3 MiB	+ 34.46 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.170 s	0.190 s	+0.020 s	2.98 MiB	3.02 MiB	+ 39.63 KiB
/wp-admin/post-new.php?post_type=page	0.641 s	0.777 s	+0.136 s	4.96 MiB	5 MiB	+ 40.45 KiB
/wp-admin/options-discussion.php	0.213 s	0.310 s	+0.097 s	2.97 MiB	3 MiB	+ 23.08 KiB
/wp-admin/edit-comments.php	0.192 s	0.215 s	+0.023 s	3 MiB	3.02 MiB	+ 22.27 KiB
/	0.291 s	0.233 s	-0.058 s	2.94 MiB	2.95 MiB	+ 8 KiB
Average	0.344 s	0.386 s	+0.042 s	3.35 MiB	3.38 MiB	+ 29.39 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
	PHP	72.4%	8,155	1,781	28
	Markdown	10.3%	1,157	0	2
	JavaScript	5.8%	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			11,263	2,102	93

PHP Code Analysis | More results »

Lines of code	8,209
Total complexity	1,756
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

[16-Dec-2022 22:53:29 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
[16-Dec-2022 22:53:29 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 2.31.8