WPIntell

Market

polylang

Polylang matters only if the evidence supports a paid workflow around keeping translated content, language routing, and localized site operations complete, not a list of isolated fixes. The current commercial thesis is: Multilingual WordPress sites lose trust when translated content, URLs, metadata, or language-specific workflows drift out of sync. The entry wedge is to detect missing translations, broken language routes, and incomplete localized content before visitors or clients find them.

Proof Health

Open evidence

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

69 / 90 rows with source links

76.7% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

21 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a localization content operations plugin for multilingual site owners, agencies, and localization teams: Multilingual WordPress sites lose trust when translated content, URLs, metadata, or language-specific workflows drift out of sync. The first wedge is to detect missing translations, broken language routes, and incomplete localized content before visitors or clients find them.

The unmet need is not the individual complaint. It is the recurring business workflow: Multilingual WordPress sites lose trust when translated content, URLs, metadata, or language-specific workflows drift out of sync. Current stage: commercial plugin opportunity.

Competitors

20 shown
WPML to Polylang 6.0K installs · 5.0
praise owner
-100.0%momentum 66.8weakness 24/21pain/praise

Pain still appears around migration, missing feature despite praise for quality, easy.

Polylang Theme Strings 6.0K installs · 4.0
praise owner
-100.0%momentum 67.1weakness 25/19pain/praise

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

ACF Options For Polylang 10.0K installs · 4.4
praise owner
-100.0%momentum 49.5weakness 19/17pain/praise

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

Hreflang for polylang 100 installs · 0.0
watchlist
-100.0%momentum 40.9weakness 1/0pain/praise

Open gap: users report compatibility, support without a matching collected praise theme.

AI Translate For Polylang 100 installs · 4.3
praise owner
-100.0%momentum 17.5weakness 1/5pain/praise

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

complaint Plugin could not be activated because it triggered a fatal error.

Plugin could not be activated because it triggered a fatal error.: users show security, bugs, compatibility pain that may indicate a product gap.

Connect Polylang for Elementor · Plugin could not be activated because it triggered a fatal error.
complaint Translation problem with Gutenberg

Translation problem with Gutenberg: users show security, bugs, compatibility pain that may indicate a product gap.

PolyTranslate AI for Polylang · Translation problem with Gutenberg I tried the free and pro versions, but I always had the same problem: only the title and the first paragraph of the blog were translated in Gutenberg.
complaint Don’t translate values

Don’t translate values: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Translate Gravity Forms x Polylang · Don’t translate values Hello, First, thank you so much for this plugin.
complaint a lot of unwanted css and js

a lot of unwanted css and js: users show bugs, compatibility, support pain that may indicate a product gap.

Contact Form 7 Polylang Module · a lot of unwanted css and js requires extra WP plugin with a lot of unwanted css and js files, which you can not dequeue in functions.php This topic was modified 7 years, 10 months ago by positivecrash .
complaint Critical error after installing plugin

Critical error after installing plugin: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Language Switcher – Polylang for Divi · Critical error after installing plugin Hi there, After activating the Polylang plugin on my website an error occured.
complaint CSS is not copied

CSS is not copied: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Connect Polylang for Elementor · CSS is not copied Greetings, I have installed a single WordPress instance at [ redundant link deleted ] .
complaint Fix for newer WordPress / PHP Versions Fatal Error

Fix for newer WordPress / PHP Versions Fatal Error: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Language option for ACF4+ Fields · Fix for newer WordPress / PHP Versions Fatal Error The plugin contains some <?
complaint php zip extension depended

php zip extension depended: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Contact Form 7 Polylang Module · php zip extension depended Hi!
complaint Search page error

Search page error: users show security, bugs, missing feature pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · Search page error I am presenting an error that only occurs in the search results page, it turns out that when wanting to change the language it adds “http: // store //” at the beginning of the URL, breaking everything.
complaint Fatal Error on Import – $lang is being set as ‘false’

Fatal Error on Import – $lang is being set as ‘false’: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WPML to Polylang · Fatal Error on Import – $lang is being set as ‘false’ PHP Fatal error: Uncaught Error: Call to a member function update_count() on boolean in /vagrant/web/app/plugins/polylang-pro/admin/admin-model.php:332 when running the import, the ‘set_language_in_mass’ function is erroring out because on line 322, $lang is bneing set as ‘false’ $lang = $this->get_langua
complaint Use order language for order emails settings causes An error of type E_ERROR

Use order language for order emails settings causes An error of type E_ERROR: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · Use order language for order emails settings causes An error of type E_ERROR when i enable this option then i get this message There has been a critical error on this website An error of type E_ERROR was caused in line 645 of the file /var/www/vhosts/mysite.com/httpdocs/wp-content/plugins/woo-poly-integration/src/Hyyan/WPI/Utilities.php.
complaint Persitent bug – not able to translate email subject and heading

Persitent bug – not able to translate email subject and heading: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · Persitent bug – not able to translate email subject and heading This is for the order payment recieve email.
complaint Critical Error

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

Add Polylang support for Customizer · Critical Error Hello, I have been using the plugin without problem for several months.
complaint Admin language problem

Admin language problem: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Polylang Theme Strings · The language should be spanish, but it is showing almost all in english, even the WooCommerce pages like Checkout.
complaint Critical error with Polylang active

Critical error with Polylang active: users show bugs, compatibility, support pain that may indicate a product gap.

Connect Polylang for Elementor · Critical error with Polylang active hello I have had to disable the plugin, because with Polylang active, and Connect Polylang Elementor active, the site displays a critical error.
mixed Translation failed

Translation failed: users show security, bugs, compatibility pain that may indicate a product gap.

PolyTranslate AI for Polylang · I’m trying to use your translation plugin, but every time I click on translate, I get error saying “Translation failed: Unknown error”.
mixed after activate the plugin i get PHP Fatal error

after activate the plugin i get PHP Fatal error: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Add Polylang support for Customizer · after activate the plugin i get PHP Fatal error Hi, i am using last wp and php 7.4 after i have activate your plugin i get this error /plugins/add-polylang-support-for-customizer/includes/class-apsfc.php on line 84 Hi, i am using last wp and php 7.4 after i have activate your plugin i get this error /plugins/add-polylang-support-for-customizer/includes/class
mixed Plugin stopped working

Plugin stopped working: users show security, bugs, compatibility pain that may indicate a product gap.

Multilingual Contact Form 7 with Polylang · Plugin stopped working Hello Andreas, Many thanks for the amazing work on this plugin.
mixed Critical Error: PolylAI + Elementor

Critical Error: PolylAI + Elementor: users show bugs, compatibility, missing feature pain that may indicate a product gap.

AI Translator for Polylang · Critical Error: PolylAI + Elementor I’m getting a critical error message in translated pages using Polylang + PolylAI + OpenAI API + Elementor.
mixed Plugin breaks on activation

Plugin breaks on activation: users show bugs, compatibility, performance pain that may indicate a product gap.

Add Polylang support for Customizer · Plugin breaks on activation I just installed the plugin and it creates a fatal error.
mixed Languages not seen

Languages not seen: users show security, bugs, compatibility pain that may indicate a product gap.

Add Polylang support for Customizer · I have installed Polylang Pro.
mixed Improve I18N Issues (Based on 1.2.3)

Improve I18N Issues (Based on 1.2.3): users show security, bugs, compatibility pain that may indicate a product gap.

Polylang Duplicate Content Addon · Improve I18N Issues (Based on 1.2.3) I fully localized this plugin to zh_TW.
mixed not all blocks are there/ plugin not showing all the post block anymore

not all blocks are there/ plugin not showing all the post block anymore: users show security, bugs, compatibility pain that may indicate a product gap.

AutoPoly – AI Translation For Polylang · not all blocks are there/ plugin not showing all the post block anymore hi, lately I noticed that the plugin isn’t showing all the blocks and content of my post anymore all what I see is 1 block, 2,3 or 4 at max even the translation isn’t working for those 4 blocks, it just translate the first one which wasn’t happening before please check images https://ibb
mixed Version 1.4.0 conflict with All in One SEO 4.1.1

Version 1.4.0 conflict with All in One SEO 4.1.1: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Add Polylang support for Customizer · Version 1.4.0 conflict with All in One SEO 4.1.1 When updating the plugin to version 1.4.0, there was a conflict with the All in One SEO 4.1.1 plugin Help me please.
mixed Fatal Error

Fatal Error: users show security, bugs, compatibility pain that may indicate a product gap.

Add Polylang support for Customizer · Fatal Error We have polylang plugin and when we activate Add Polylang support for Customizer we get the following error: E_ERROR line 136 /home/iskpcors/public_html/wp-content/plugins/add-polylang-support-for-customizer/includes/class-apsfc.php.
mixed Translated title, untranslated contents

Translated title, untranslated contents: users show bugs, performance, missing feature pain that may indicate a product gap.

Auto Translator for Polylang · Translated title, untranslated contents The title is translated to slovak, the article contents stay in Czech (original language of the post) Polylang: Auto Translator: GCC: Article: For some reason it duplicated now, and I see both the czech and the (supposedly) translated version in Auto Translator settings: The title is translated to slovak, the article c
mixed The forms are not seen in the list

The forms are not seen in the list: users show security, bugs, compatibility pain that may indicate a product gap.

Contact Form 7 Polylang Module · The forms are not seen in the list I am using polylang.
mixed Fatal Error

Fatal Error: users show security, bugs, compatibility pain that may indicate a product gap.

Add Polylang support for Customizer · Fatal Error When I update and activate your plugin (1.4.3), I get the following fatal error: Uncaught Error: Call to undefined function Richardevcom\Apsfc\pll_current_language() in /var/www/clients/client4/web26/web/wp-content/plugins/add-polylang-support-for-customizer/includes/class-apsfc.php:136 Stack trace: #0 /var/www/clients/client4/web26/web/wp-conten
question Exclude products

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

WPSSO Google Merchant Feed XML · Exclude products I’d like to switch from my current Google Product Feed plugin to WPSSO’s, but it seems to be missing a critical feature for my needs.
mixed Putting in Trash and “Empty Trash” not working

Putting in Trash and “Empty Trash” not working: users show bugs, compatibility, support pain that may indicate a product gap.

Contact Form 7 Polylang Module · Putting in Trash and “Empty Trash” not working Hello, When I try to put a contact form in Trash, then I get a blanc page with HTTP error 500.
mixed Error in google mercent feed

Error in google mercent feed: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WPSSO Google Merchant Feed XML · Error in google mercent feed Move upMove downToggle panel: Google Merchant Feed XML Fatal error: Uncaught Error: Call to undefined function Sabre\Xml\Serializer\standardSerializer() in /home/user/public_html/wp-content/plugins/wpsso-google-merchant-feed/vendor/sabre/xml/lib/Writer.php on line 99 Call stack: Sabre\Xml\Writer::write() wp-content/plugins/wpsso-
mixed Fatal error: Uncaught Error: Call to undefined function

Fatal error: Uncaught Error: Call to undefined function: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Add Polylang support for Customizer · Fatal error: Uncaught Error: Call to undefined function Hi there!
mixed Variable Product Issue

Variable Product Issue: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · Variable Product Issue Hello everybody.
complaint WordPress 4.2 compatibility

WordPress 4.2 compatibility: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Language option for ACF4+ Fields · WordPress 4.2 compatibility Hi Void, If I activate the plugin under WordPress 4.2 i’m getting a fatal error.
complaint broken all products

broken all products: users show bugs, performance, pricing pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · broken all products Luckly I got 12 products, and I’m a developer so I figured out the issue and I’m fixing product by product, but it basically messed up all product variations prices, without a chance to fix it if not deleting the variations and recreating them, all at once tho or it doesn’t work.
complaint Single product page

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

Hyyan WooCommerce Polylang Integration · Single product page Hello, fatal error… content/plugins/woo-poly-integration-master/src/Hyyan/WPI/LocaleNumbers.php on line 97 In LocaleNumbers.php file need $retval = $a->format($input, \NumberFormatter::TYPE_DOUBLE); Replace to $retval = $a->format(floatval($input), \NumberFormatter::TYPE_DOUBLE); Hello, fatal error… content/plugins/woo-poly-integration-ma
complaint Improve I18N Issues (Based on 3.4.9)

Improve I18N Issues (Based on 3.4.9): users show security, bugs, compatibility pain that may indicate a product gap.

Theme and plugin translation for Polylang (TTfP) · Improve I18N Issues (Based on 3.4.9) I fully localized this plugin to zh_TW.
mixed The links on the WooCommerce “My Account” page do not work properly

The links on the WooCommerce “My Account” page do not work properly: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Hyyan WooCommerce Polylang Integration · The links on the WooCommerce “My Account” page do not work properly Hello everybody, The links on the “My account” page of WooCommerce do not work properly, and I think the problem is in the compatibility with your plugin … I explain in detail what happens, when you are achieved and go to the “My account” page: – The order list is shown, but when you give “V
mixed Fatal error on plugin activation

Fatal error on plugin activation: users show bugs, compatibility, missing feature pain that may indicate a product gap.

AI Translator for Polylang · Fatal error on plugin activation The plugin throws a fatal error when attempting to activate it after the installation.
mixed Fatal error on plugin activation

Fatal error on plugin activation: users show bugs, compatibility, missing feature pain that may indicate a product gap.

AI Translator for Polylang · Fatal error on plugin activation I’m unable to activate the plugin.