Yoast SEO is a plugin for the WordPress content management system (CMS) developed by the company Yoast. The plugin is one of the most popular tools for search engine optimisation (SEO) and helps website operators to optimise their content for search engines and improve their online presence.

The Yoast SEO plugin offers a variety of functions that help to improve the visibility and ranking of a website in search engines such as Google. These include optimising meta tags, analysing the readability of texts, generating XML sitemaps, integrating social media platforms, optimising images and much more.

Another advantage of Yoast SEO is that it is easy to use even for less tech-savvy website operators. The plugin offers a user-friendly interface and provides feedback and recommendations for optimising content in real time.