Contribute and make features available in your language

Contribute language data

If you speak a language other than English, you can help us with your native speaker knowledge. You can do this by contributing language data such as word lists, for example. Have a look at this overview of features per language to see which Yoast SEO features already have support for your language. If support is still missing, you can contribute using the forms we’ve set up! We’ll then review this data and, if possible, implement it.

Function words

We’ve set up a function words form which you can use to provide us with lists of function words. Function words mark grammatical relationships. They carry little meaning on their own. This category includes words such as the, and, and for, for example. Since they carry little intrinsic meaning, we filter them from your keyphrase when carrying out the keyphrase analysis, and we use them when we create internal linking suggestions in Yoast SEO Premium.

Transition words

These words are used for the transition word assessment. This assessment tells you whether you have enough transition words in your text. You can send in words for your language using the transition word form.

Sentence length

The sentence length assessment tells you whether you have too many long sentences. We base this assessment on resources such as style guides, readability research, etc. You can contribute resources for your language using the sentence length form.

Consecutive sentences

The consecutive sentences assessment warns you if you have a number of consecutive sentences starting with the same word, making your writing sound too repetitive. When checking this, we skip certain words such as the article the, for example. You can send in a list of words that can be skipped using the consecutive sentences form.

Contribute to the codebase

If you are a developer, you can also contribute directly to our code base! All of our code and most of the language data we use are open-source. The assessments and their accompanying analysis functionality are part of our Yoast SEO JavaScript library. This means anyone can make a PR to expand a check for their native language, or improve our word lists if you’ve spotted any errors.

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