Verify That Every Intended Language URL Is Discoverable and Correctly Connected

This typically occurs when the Polylang settings for URL modifications are not synchronized with the Yoast sitemap generator: if the 'Hide URL language information for default language' setting is not set correctly, the sitemap may only pick up the primary language.

A missing translation can also have other causes: the page may be unpublished, excluded from search, canonicalized elsewhere, assigned incorrectly in Polylang, omitted by the post type's sitemap settings, redirected, or affected by cache or plugin compatibility behavior.

Start with the missing page itself, confirm its publication state and language assignment, inspect its canonical and robots settings, then compare the relevant Yoast sitemap and the plugin configuration.

Updating both plugins and enabling the 'Custom post types and Taxonomies' settings in Polylang for translation usually resolves this. If the behavior changed after an update, reproduce it on representative pages before resetting settings.

For most multilingual sites, especially those in regulated or high-trust industries, multiple sitemaps are preferable. When you use a sitemap per language, you are essentially providing a dedicated directory for each regional audience.

In my experience, this documented process leads to more predictable indexing results. While a single sitemap can work for smaller sites, it becomes difficult to manage and audit as the volume of content grows, and segmented sitemaps are easier to review for errors in Search Console.

Choose the structure your plugins actually support and your team can maintain reliably. The important checks are whether intended language pages are included, excluded pages stay out, URLs resolve correctly, canonicals are consistent, and language relationships are valid.

Google Search Console can help confirm whether submitted sitemap files are fetched and whether representative URLs are indexed as expected.

Open yourdomain.com/sitemap_index.xml and inspect the listed sitemap files, then compare representative translations with the URLs they contain. Check whether each intended page returns the correct response, canonical, language assignment, and indexability settings.

Next, review the submitted sitemap in Google Search Console and use URL inspection for representative pages. The International Targeting report in Search Console has been retired, so do not rely on it, and do not assume every language must have its own child sitemap.

The strongest validation is a 1:1 match between each intended translated page and the canonical URL you expect search systems to discover.

The free versions provide the core sitemap and language-management functionality needed for this workflow. However, the premium versions offer more sophisticated tools for managing redirects and social media previews across different languages.

For businesses in high-scrutiny environments, the premium versions provide an additional layer of support and technical features that can be beneficial. In practice, the free versions are sufficient for the basic technical requirement of language segmentation.

If you require advanced features like 'News SEO' or 'Video SEO' in multiple languages, then the premium upgrades become necessary to maintain a consistent system. For the basic audit, confirm what your installed versions generate: sitemap output, translated URL relationships, canonicals, and indexability.

Sitemaps are a foundational signal, not a ranking factor on their own. They serve as a guide for search engines to discover your content and let site owners monitor submitted URL groups. In international SEO, their impact is significant within the complete implementation: distinct and useful localized content, stable URLs, correct canonicals, valid language annotations, internal linking, crawlability, and region-appropriate page purpose. Use sitemaps as a discovery and auditing layer within that wider system.