WPIntell

Market

flush

Flush matters only if the evidence supports a paid workflow around repeatable site operations, not a list of isolated fixes. The current commercial thesis is: WordPress teams need fewer manual checks and clearer operational visibility. The entry wedge is to turn repeated site-management friction into guided checks, issue explanations, and reusable operating procedures.

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

59 / 76 rows with source links

77.6% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

17 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a WordPress operations workflow plugin for site owners and agencies: WordPress teams need fewer manual checks and clearer operational visibility. The first wedge is to turn repeated site-management friction into guided checks, issue explanations, and reusable operating procedures.

The unmet need is not the individual complaint. It is the recurring business workflow: WordPress teams need fewer manual checks and clearer operational visibility. Current stage: commercial watchlist.

Competitors

7 shown
WP OPcache 10.0K installs · 4.8
weak incumbent
-100.0%momentum 67.5weakness 8/19pain/praise

Pain still appears around compatibility, support despite praise for reliable, quality.

source 1 source 2
Nginx Cache 10.0K installs · 4.6
praise owner
-100.0%momentum 53.5weakness 22/26pain/praise

Pain still appears around bugs, compatibility despite praise for quality, reliable.

source 1 source 2
Purge Varnish Cache 1.0K installs · 5.0
praise owner
-100.0%momentum 47.1weakness 12/11pain/praise

Pain still appears around support, bugs despite praise for quality, support.

source 1 source 2
Server-Side Cache AutoPurge 10.0K installs · 4.2
praise owner
-100.0%momentum 26.6weakness 2/4pain/praise

Pain still appears around support, missing feature despite praise for reliable, quality.

source 1 source 2
Hestia Nginx Cache 1.0K installs · 5.0
praise owner
-100.0%momentum 27.4weakness 3/9pain/praise

Pain still appears around missing feature, support despite praise for quality, reliable.

source 1 source 2
Rewrite Flush Button 100 installs · 5.0
praise owner
-100.0%momentum 32.9weakness 0/3pain/praise

Pain still appears around bugs, compatibility despite praise for quality.

source 1 source 2
Clear cache for Timber 500 installs · 0.0
watchlist
-100.0%momentum 38.6weakness 1/0pain/praise

Open gap: users report bugs, performance without a matching collected praise theme.

source 1

Evidence

Open evidence explorer
complaint undefined timestamp

undefined timestamp: users show bugs, compatibility, performance pain that may indicate a product gap.

WP OPcache · undefined timestamp Hi, I have the same issue as https://wordpress.org/support/topic/warnings-in-error-log-2/ . complaint PHP Fatal error: Uncaught TypeError: unserialize()

PHP Fatal error: Uncaught TypeError: unserialize(): users show bugs, compatibility, missing feature pain that may indicate a product gap.

Purge Varnish Cache · PHP Fatal error: Uncaught TypeError: unserialize() I got below error message. mixed Ionos VS. Opcache

Ionos VS. Opcache: users show bugs, compatibility, performance pain that may indicate a product gap.

WP OPcache · Opcache Fatal error: Uncaught Error: Call to undefined function opcache_get_status() in /homepages/20/d34869179/htdocs/AM/wp-content/plugins/flush-opcache/admin/class-flush-opcache-admin.php:92 Stack trace: #0 /homepages/20/d34869179/htdocs/AM/wp-includes/class-wp-hook.php(307): Flush_Opcache_Admin->flush_opcache_admin_page('') #1 /homepages/20/d34869179/htd mixed Fatal error on Statistics page & cache not flushing

Fatal error on Statistics page & cache not flushing: users show bugs, compatibility, performance pain that may indicate a product gap.

WP OPcache · Fatal error on Statistics page & cache not flushing Hi! mixed PHP.ini Issue

PHP.ini Issue: users show security, bugs, compatibility pain that may indicate a product gap.

WP OPcache · PHP.ini Issue Hey, I was just about to install and activate WP OPcache to check out where we can still get something out of it server-side. mixed Fatal error

Fatal error: users show bugs, compatibility, support pain that may indicate a product gap.

WP OPcache · Fatal error Fatal error: Uncaught DivisionByZeroError: Division by zero in /homepages/14/d897840450/htdocs/clickandbuilds/LiserCubiertas2/wp-content/plugins/flush-opcache/admin/flush-opcache-statistics.php:25 Stack trace: #0 /homepages/14/d897840450/htdocs/clickandbuilds/LiserCubiertas2/wp-content/plugins/flush-opcache/admin/class-flush-opcache-admin.php(212 mixed PHP 8 problems

PHP 8 problems: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Purge Varnish Cache · PHP 8 problems I get this warning in php 8: Undefined array key “path” in /var/www/mywebsite/wp-content/plugins/purge-varnish/class_purge_varnish.php on line 291 I get this warning in php 8: Undefined array key “path” in /var/www/mywebsite/wp-content/plugins/purge-varnish/class_purge_varnish.php on line 291 Same here. complaint Bad design?

Bad design?: users show security, compatibility, support pain that may indicate a product gap.

Nginx Cache · I am sorry, but free access to the file system and/or nginx and php under the same account? mixed Purge Server-Side Cache Not Working

Purge Server-Side Cache Not Working: users show security, bugs, compatibility pain that may indicate a product gap.

Server-Side Cache AutoPurge · Purge Server-Side Cache Not Working I tried clearing up server cache clicking on Purge Server-Side Cache on Admin bar but it didn’t worked. mixed Plesk Error

Plesk Error: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP OPcache · Plesk Error I am working on a server with Plesk panel and when I go try to go to WP Opcache, I just get a server error. complaint Purge Varnish Cache Plugin <= 2.6 is vulnerable to Cross Site Request

A user reports a CSRF vulnerability in Purge Varnish Cache and another commenter says the plugin appears unsupported after more than two years without releases.

Purge Varnish Cache · Purge Varnish Cache Plugin <= 2.6 is vulnerable to Cross Site Request Forgery (CSRF) mixed vulnerable plugin

vulnerable plugin: users show security, bugs pain that may indicate a product gap.

Nginx Cache · vulnerable plugin This plugin is being used by hackers to gain access to directories, overwrite files, and set up zombie sites. mixed Flushing opcache for 2 server

Flushing opcache for 2 server: users show bugs, support pain that may indicate a product gap.

WP OPcache · Flushing opcache for 2 server My infrastructure is set up in high availability (HA) with two web servers. praise Possible malware – images/purge16x16.png

Possible malware – images/purge16x16.png: users show security, bugs, support pain that may indicate a product gap.

Purge Varnish Cache · Possible malware – images/purge16x16.png EDIT: Resolved very quick. complaint Error Ob_Start on nginx-cache.php with php8.3-fpm

Nginx Cache produced a PHP fatal error with output buffering under PHP 8.3 FPM.

Nginx Cache · PHP Fatal error: ob_start(): Cannot use output buffering in output buffering display handlers neutral Fatal error on statistics

Fatal error on statistics: users show bugs, compatibility, support pain that may indicate a product gap.

WP OPcache · Fatal error on statistics [21-Mar-2023 17:39:42 UTC] PHP Fatal error: Uncaught Error: Call to undefined function ini_get_all() in /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/includes/class-flush-opcache-statistics.php:87 Stack trace: 0 /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/includes/class-flush neutral Zend OPcache is loaded but not activated

Zend OPcache is loaded but not activated: users show bugs, support, setup pain that may indicate a product gap.

WP OPcache · Zend OPcache is loaded but not activated Hi, I have activeted WP OPcache but I get the following message: “Zend OPcache is loaded but not activated” After checking the pho.ini file, I can confirm that opcache.enable is sent to 1. neutral Fatal Error on Settings page when OPCache is not available

Fatal Error on Settings page when OPCache is not available: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP OPcache · Fatal Error on Settings page when OPCache is not available In cases where you could forget activating OPCache extension in php, the plugin throws a fatal error when visiting the settings page. neutral PHP 5.4 compatibility

PHP 5.4 compatibility: users show bugs, compatibility pain that may indicate a product gap.

Purge Varnish Cache · PHP 5.4 compatibility On PHP 5.4 I got fatal error from file “class_purge_varnish.php”, line 254. complaint Cache folder not being cleared

Cache folder not being cleared: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Nginx Cache · Cache folder not being cleared Hi there, I’m using your plugin in order to clear fastcgi cache. complaint No tools page on multisite

No tools page on multisite: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP OPcache · No tools page on multisite This is a really useful plugin when troubleshooting OPcache issues, thank you for creating it. complaint Varnish Control Terminal

Varnish Control Terminal: users show bugs, missing feature, support pain that may indicate a product gap.

Purge Varnish Cache · Varnish Control Terminal I just installed this plugin. complaint [Feature Request] Ability to set Cache Zone Path from wp-config.php

[Feature Request] Ability to set Cache Zone Path from wp-config.php: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Nginx Cache · [Feature Request] Ability to set Cache Zone Path from wp-config.php As for the title: It’d be super-useful to have the possibility to set the “Cache Zone Path” via wp-config.php in stateless environments (eg. complaint Clear cache button missing

Clear cache button missing: users show bugs, performance, missing feature pain that may indicate a product gap.

Clear cache for Timber · Clear cache button missing Not sure if this is a result of the update to Timber’s version 1 but after installing the plugin there’s no button for clearing the cache. complaint Varnish control terminal is not responding

Varnish control terminal is not responding: users show bugs, performance, support pain that may indicate a product gap.

Purge Varnish Cache · I already tried so many different VCls, googling hours and days and read all your support forum posts but nothing works. complaint Not working

Not working: users show bugs, compatibility, support pain that may indicate a product gap.

Purge Varnish Cache · Not working Hi, The plugin installed and proper configured but it’s not working. complaint Conflict with latest Jetpack Plugin?

Conflict with latest Jetpack Plugin?: users show bugs, compatibility, support pain that may indicate a product gap.

Nginx Cache · Conflict with latest Jetpack Plugin? complaint Flush Rewrite Rules

Flush Rewrite Rules: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Rewrite Flush Button · Flush Rewrite Rules Well, you have a great image in your header and an obvious sense of humor. complaint Cached files list always empty

Cached files list always empty: users show bugs, compatibility, support pain that may indicate a product gap.

WP OPcache · If I look at the list of cached files with a php call, they are all in there (a couple thousand of them!), but, with the plugin, the ‘Cached files’ tab is always empty. complaint Great done, Small problem

Great done, Small problem: users show bugs, compatibility, support pain that may indicate a product gap.

Purge Varnish Cache · Great done, Small problem The only working plugin for my varnish server (6.0)+php 7.2-fpm+Apache. complaint The Hestia Nginx Cache could not be purged!

The Hestia Nginx Cache could not be purged!: users show missing feature, migration, setup pain that may indicate a product gap.

Hestia Nginx Cache · The Hestia Nginx Cache could not be purged! mixed w opcache will not install

w opcache will not install: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP OPcache · w opcache will not install upon installation, either from the downloaded zip file or from wordpress plugin install .. mixed Plugin doesnt clear opcache from my .cagefs directory

Plugin doesnt clear opcache from my .cagefs directory: users show bugs, compatibility, performance pain that may indicate a product gap.

WP OPcache · Plugin doesnt clear opcache from my .cagefs directory Hi there, my website sits on shared cPanel web hosting environment (PHP7.3) and Im trying to use your plugin to clear OPcache as my site is constantly exceeding storage limits. mixed How can I test it?

How can I test it?: users show bugs, compatibility, performance pain that may indicate a product gap.

Hestia Nginx Cache · I have doubts about how I should configure the plugin (does the port have to be the one from the hestiacp panel?). mixed PHP Warning: Undefined array key “timestamp”

PHP Warning: Undefined array key “timestamp”: users show bugs, compatibility, performance pain that may indicate a product gap.

WP OPcache · PHP Warning: Undefined array key “timestamp” Hi! mixed Doesn’t work

Doesn’t work: users show bugs, compatibility, support pain that may indicate a product gap.

Hestia Nginx Cache · Doesn’t work Tried it, and neither button for manual cache purge is working, or on post publish/update. mixed Guidance around complimentary caching plugins

Guidance around complimentary caching plugins: users show bugs, performance, support pain that may indicate a product gap.

Hestia Nginx Cache · Guidance around complimentary caching plugins Enabling NGINX cache and using this plugin sounds like a great way to improve performance and reduce load on my server. mixed PHP-version?

PHP-version?: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP OPcache · PHP-version? complaint Filesystem API could not be initialized.

Filesystem API could not be initialized.: users show bugs, compatibility, setup pain that may indicate a product gap.

Nginx Cache · cpanel i’ve specified an absolute page for the cache: /home/<use>/public_html/wp/wp-content/plugins/nginx-cache/data the setup page accepts this when i try to purge i get the error (Filesystem API could not initialized) when i load the front page no cache is written, but the purge button becomes active i am not a wp maven – but i do major code in php/js than complaint Any suggestion on Usage?

Any suggestion on Usage?: users show compatibility, missing feature, support pain that may indicate a product gap.

Nginx Cache · Hello, Since there is not much document for referrence, I would like to ask your suggestion on how to us Nginx Cache correctly.