Yoast SEO is one of the most popular WordPress plugins because of the functions it provides to its users. It is a set of tools that significantly help the positioning of pages and articles in Google search. The plugin shows 2 main analyses: Readability analysis and SEO analysis. It keeps track of your progress and tells you what you can do better. For example, it reminds you how much of the active side should be used in the text. Or what length the keyword phrase description should be in order to be fully visible in a search engine.
English 
Polish 
German