Report - 404 Solution 2.36.5

Does 404 Solution work with WordPress 6.7.2 and PHP 8.1.12? A smoke test was performed on 2025-02-12 09:50:38 UTC.

Summary

Errors

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

Performance

Memory usage: 33.77 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	6.7.2
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=9080e2a7e9
Aspect	after-activation
HTTP status	200
Load time	1.276 s
Memory usage	3.54 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	0.319 s
Memory usage	3.54 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.165 s
Memory usage	3.43 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.309 s	0.271 s	-0.038 s	3.48 MiB	3.53 MiB	+ 47.45 KiB
/wp-admin/edit.php	0.196 s	0.181 s	-0.015 s	3.54 MiB	3.59 MiB	+ 47.95 KiB
/wp-admin/post-new.php	0.751 s	0.614 s	-0.137 s	5.93 MiB	5.98 MiB	+ 52.65 KiB
/wp-admin/upload.php	0.541 s	0.498 s	-0.043 s	3.5 MiB	3.53 MiB	+ 30.55 KiB
/wp-admin/options-writing.php	0.209 s	0.208 s	-0.001 s	3.47 MiB	3.51 MiB	+ 34.56 KiB
/wp-admin/media-new.php	0.268 s	0.226 s	-0.042 s	3.46 MiB	3.51 MiB	+ 42.73 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.262 s	0.191 s	-0.071 s	3.48 MiB	3.53 MiB	+ 53.69 KiB
/wp-admin/post-new.php?post_type=page	0.523 s	0.559 s	+0.036 s	5.92 MiB	5.97 MiB	+ 48.75 KiB
/wp-admin/options-discussion.php	0.257 s	0.233 s	-0.024 s	3.47 MiB	3.51 MiB	+ 31.07 KiB
/wp-admin/edit-comments.php	0.409 s	0.205 s	-0.204 s	3.49 MiB	3.52 MiB	+ 30.56 KiB
/	0.292 s	0.383 s	+0.091 s	3.48 MiB	3.43 MiB	- 48.45 KiB
Average	0.365 s	0.324 s	-0.041 s	3.93 MiB	3.96 MiB	+ 33.77 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	72.2%	8,764	1,926	29
	Markdown	11.3%	1,369	0	2
	JavaScript	5.3%	649	170	8
	HTML	5.3%	642	20	22
	SQL	4.1%	495	125	33
	CSS	1.4%	175	16	1
	JSON	0.4%	45	0	1
Total			12,139	2,257	96

PHP Code Analysis | More results »

Lines of code	8,817
Total complexity	1,921
Median class complexity	17.0
Median method complexity	3.0
Most complex class	ABJ_404_Solution_PluginLogic
Most complex function	ABJ_404_Solution_PluginLogic::updateOptionsFromPOST()

Classes	28
Methods	381
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-Feb-2025 09:50:53 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-Feb-2025 09:50:53 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 2.36.5