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404 Solution 3.0.7

Does 404 Solution work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on 2025-11-28 21:31:15 UTC.

Summary

Pages 3

Plugins ‹ Test site — WordPress

Settings → 404 Solution

Test site – Just another WordPress site

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.334 s	0.293 s	-0.041 s	3.51 MiB	3.58 MiB	+ 75.75 KiB
/wp-admin/edit.php	0.202 s	0.202 s	+0.000 s	3.57 MiB	3.66 MiB	+ 95.74 KiB
/wp-admin/post-new.php	0.815 s	0.639 s	-0.176 s	6.06 MiB	6.2 MiB	+ 144.98 KiB
/wp-admin/upload.php	0.797 s	0.465 s	-0.332 s	3.52 MiB	3.58 MiB	+ 58.48 KiB
/wp-admin/options-writing.php	0.224 s	0.195 s	-0.029 s	3.5 MiB	3.56 MiB	+ 62.5 KiB
/wp-admin/media-new.php	0.285 s	0.222 s	-0.063 s	3.49 MiB	3.56 MiB	+ 70.67 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.193 s	0.200 s	+0.007 s	3.5 MiB	3.58 MiB	+ 81.63 KiB
/wp-admin/post-new.php?post_type=page	0.628 s	0.580 s	-0.048 s	6.05 MiB	6.19 MiB	+ 141.09 KiB
/wp-admin/options-discussion.php	0.269 s	0.221 s	-0.048 s	3.5 MiB	3.56 MiB	+ 59.01 KiB
/wp-admin/edit-comments.php	0.465 s	0.189 s	-0.276 s	3.52 MiB	3.58 MiB	+ 58.5 KiB
/	0.304 s	0.166 s	-0.138 s	3.5 MiB	3.47 MiB	- 25.69 KiB
Average	0.411 s	0.307 s	-0.104 s	3.98 MiB	4.05 MiB	+ 74.79 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.

Language		%	Lines of code	Comment lines	Files
	PO File	42.7%	16,695	1,147	12
	PHP	36.7%	14,349	4,372	37
	CSS	8.0%	3,116	300	2
	JavaScript	4.0%	1,569	464	14
	Markdown	3.8%	1,466	0	2
	HTML	3.3%	1,283	38	40
	SQL	1.4%	545	125	35
	JSON	0.1%	45	0	1
Total			39,068	6,446	143

PHP Code Analysis | More results »

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 6

• wp_abj404_logsv2
• wp_abj404_lookup
• wp_abj404_ngram_cache
• wp_abj404_permalink_cache
• wp_abj404_redirects
• wp_abj404_spelling_cache

Options wp_options 3

• abj404_installed_time
• abj404_ngram_rebuild_offset
• abj404_settings

PHP Error Log 16 lines

[28-Nov-2025 21:31:32 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 lkup_value 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_SpellChecker->__construct, 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
[28-Nov-2025 21:31:32 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_SpellChecker->__construct, 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

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