WDF*IDF stands for "Within Document Frequency times Inverse Document Frequency" and is a method of search engine optimisation (SEO) that is also used in neuroweb design to improve the relevance of content on a website.

The method is based on the idea that certain words or phrases that occur frequently in a document are more important for the content than other words that occur less frequently. This means that these frequently occurring words should have a higher weighting in relation to the relevance of the document.

To increase the relevance of content on a website, web designers and developers can therefore use WDF*IDF to ensure that certain keywords or key phrases occur frequently enough in a document. This increases the likelihood that the document will be categorised as relevant by search engines and ranked higher in search results.

By using WDF*IDF in neuroweb design, companies can ensure that their websites are better aligned with the needs and requirements of their target group, thereby improving their visibility and reach.