Yoast SEO is one of the most widely used SEO plugins on WordPress, and like RankMath, it stores its most important fields outside the main editor: the SEO title, meta description, Open Graph data, Twitter card overrides, canonical URL and schema settings. A page can read perfectly in the target language while its Yoast fields quietly stay in the source language, which undermines exactly the search visibility a translation project is meant to improve. Here is what needs coverage and how AI translation handles it.
The Yoast Fields That Live Outside the Page Content
Yoast stores its metadata as post meta rather than inside post_content, which is why block-editor-only translation tools miss it. The SEO title and meta description shown in Google’s results, the Open Graph title, description and image used on social platforms, the Twitter-specific overrides, the canonical URL, and any schema.org data configured through Yoast’s schema settings are all stored separately and all need their own translation pass.
How AI Translation Handles Yoast SEO Fields
| Yoast Field | Translation Handling |
|---|---|
| SEO Title | Translated with attention to length, since Yoast’s recommended title length is based on pixel width, which varies by language and character set. |
| Meta Description | Rewritten as natural search-snippet copy in the target language rather than translated sentence by sentence. |
| Open Graph Title & Description | Translated as separate fields from the SEO snippet, since social copy and search copy often diverge intentionally. |
| Canonical URL | Points to the matching language version of the page instead of being translated as visible text. |
| Schema Data | Text properties are translated while type declarations and reference URLs remain structural and untouched. |
Yoast’s SEO Analysis Reacts to Translated Content, Not Just the Original
Yoast’s readability and keyword analysis run against whichever content is currently saved for a given language version. Once metadata and body content are translated and saved, Yoast recalculates its indicators for that language, which means the green or red traffic-light scores an editor sees after publishing a translation reflect the translated version, not the source page.
Keyphrase Research Still Needs a Human (or a Separate AI Pass)
Yoast’s focus keyphrase field is meant to represent what people actually type into search in that specific language, and a literal translation of the source keyphrase is often not that term. Effective multilingual SEO treats keyphrase selection as its own research step for each target language rather than a byproduct of translating the rest of the metadata.
How GPTranslate Handles Yoast Metadata
GPTranslate reads Yoast’s post meta fields directly, translating SEO titles, meta descriptions and Open Graph data as part of the same job that translates the page body. This follows the same field-level approach used for SEO titles and meta descriptions across the platform, and ties into the broader multilingual SEO architecture covering hreflang, canonical tags and sitemap structure for every translated page.
Frequently Asked Questions
Does translating Yoast fields affect the page’s readability score?
Readability analysis is language-specific in Yoast, so once the translated content is saved, the readability check runs against the translated text using rules appropriate to that language where supported.
Should the Open Graph description match the meta description?
They can be the same, but they do not have to be. Open Graph copy is written for a social feed context and meta descriptions are written for a search results context, so many sites intentionally translate them slightly differently.
Does Yoast’s XML sitemap need separate configuration for translated pages?
Yes. Translated pages need their own sitemap entries with correct hreflang relationships pointing back to every language version, which is a configuration step separate from translating the metadata fields themselves.
Conclusion
Yoast’s metadata fields are what search engines and social platforms actually display, which makes them at least as important as the page content itself for multilingual SEO. A translation workflow that stops at the block editor and skips SEO title, meta description, Open Graph data and schema settings leaves the most visible part of a search result in the wrong language. Treating Yoast fields as part of the translation job, not an afterthought, is what makes a multilingual WordPress site actually rank in every language it supports.