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404 Solution 3.0.8

Does 404 Solution work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 14:20:39 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	0.453 s	0.369 s	-0.084 s	3.77 MiB	3.85 MiB	+ 74.76 KiB
/wp-admin/edit.php	0.375 s	0.352 s	-0.023 s	3.78 MiB	3.9 MiB	+ 120.7 KiB
/wp-admin/post-new.php	0.817 s	1.105 s	+0.288 s	6.3 MiB	6.46 MiB	+ 163.99 KiB
/wp-admin/upload.php	0.460 s	0.511 s	+0.051 s	3.74 MiB	3.79 MiB	+ 57.49 KiB
/wp-admin/options-writing.php	0.353 s	0.321 s	-0.032 s	3.71 MiB	3.77 MiB	+ 61.51 KiB
/wp-admin/media-new.php	0.550 s	0.300 s	-0.250 s	3.7 MiB	3.77 MiB	+ 69.68 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.343 s	0.307 s	-0.036 s	3.71 MiB	3.79 MiB	+ 80.63 KiB
/wp-admin/post-new.php?post_type=page	0.714 s	0.876 s	+0.162 s	6.29 MiB	6.45 MiB	+ 158.05 KiB
/wp-admin/options-discussion.php	0.356 s	0.428 s	+0.072 s	3.71 MiB	3.77 MiB	+ 58.02 KiB
/wp-admin/edit-comments.php	0.344 s	0.371 s	+0.027 s	3.73 MiB	3.79 MiB	+ 57.51 KiB
/	0.304 s	0.210 s	-0.094 s	4.1 MiB	4.14 MiB	+ 40.52 KiB
Average	0.461 s	0.468 s	+0.007 s	4.23 MiB	4.32 MiB	+ 85.72 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	42.4%	16,695	1,147	12
	PHP	37.3%	14,690	4,484	37
	CSS	7.9%	3,116	300	2
	JavaScript	4.0%	1,569	464	14
	Markdown	3.7%	1,472	0	2
	HTML	3.3%	1,283	38	40
	SQL	1.4%	545	125	35
	JSON	0.1%	45	0	1
Total			39,415	6,558	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 20 lines

[03-Dec-2025 14:20:59 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
[03-Dec-2025 14:20:59 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
[03-Dec-2025 14:21:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 14:21:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 14:21:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 14:21:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131

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