Polylang Frequently Asked Questions and Solutions

Many users are using the Polylang During the process, you will encounter some common problems, such as invalid language switching, translation content not displaying, menu misalignment, and so on. This article will list the most typical types of errors and their corresponding solutions to help you troubleshoot the problems and restore normal functionality.

Language switcher does not display properly or does not work

A big problem is that the language switcher is not visible in the front-end page or doesn't respond when you click to switch languages. There are usually several reasons for this:

First of all, it is possible that there is no separate menu for each language in Appearance > Menus.Polylang requires a separate menu structure for each language, bound by language associations.

Secondly, some themes may not support the default language menu position. In this case you can try to use the widget (language switcher) provided by Polylang to place it in the sidebar or footer area or manually insert it in the template <?php pll_the_languages(); ?> Implement a language switching button.

Finally, please make sure you have set the corresponding language version for each page or article. If no corresponding content exists after switching the target language, Polylang will default to the home page or display a blank page.

Translated content is not displayed or the wrong language is displayed

If you find that the page is clearly translated, but the front-end still only displays content in the default language, these may be the reasons:

If the translated version is not properly associated with the original version, the front-end will not load the corresponding language.

Second, the content language is not set correctly. In the language panel in the upper right corner of the article editing page, be sure to select the correct language and create a link to the original text (click on the "+" sign to create a translated version).

Third, theme templates are not compatible with Polylang. some custom themes do not use the get_the_title() and other standard functions, but instead hardcoded the content, causing the language function to fail. It is recommended to switch to a default theme such as Twenty Twenty-Four when testing to rule out template issues.

Menus, categories or labels are not translated correctly

Many users neglect to configure multiple languages for menus and categories when using Polylang. In fact, Polylang generates a separate language version for each category and menu item, which needs to be set manually.

For example, if you have an English category "News", you need to manually create a Chinese category "News" and set it as the corresponding translation item. Similarly, menus should be created separately for each language and bound to the corresponding language in Appearance > Menus.

URL anomaly or page jump error after language switching

When you click on the language switcher and jump to the home page, a blank page, or an error page, it is usually URL Settingscaused by improper or cache interference.

In "Language Settings" of Polylang, it is recommended to enable "Use different URL structure for different languages", for example, use prefixes like /en/, /fr/, so as to make it easier for search engines and users to recognize. After finishing the settings, remember to refresh the URL rules in "Settings > Fixed Links".

Some caching plugins (such as W3 Total Cache,WP Super Cache) may cache language parameters, causing the default language content to be displayed even after switching. In this case, you can try clearing all caches and exclude language parameters or multi-language paths in the cache settings.

Language problems caused by conflicts with plugins

Some plugins such as caching tools, security plugins, SEO plugins may also have compatibility issues with Polylang. Most likely, the caching plugin caches untranslated content or the SEO plugin doesn't correctly distinguish metadata on language pages.

Solutions include:

Temporarily deactivate relevant plug-ins for troubleshooting
Add recognition of language parameters in cache settings
Use a SEO plugin that supports multiple languages (e.g. Yoast SEO), and check if the sitemap is multilingual.

summarize

Language menu, translation content, caching rules and plugin compatibility will all affect the normal operation of the site's multilingual features. When encountering problems, it is recommended to go back to a minimized environment (e.g. default theme + core plugins) for testing and gradually eliminate potential conflicts. You can also consider upgrading to Polylang Pro to get official technical services and other enhancements.

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