They only help implement changes that affect positioning. Some plugins photo editing servies have various checklists that "check" the correctness of the website in terms of SEO. For example, Yoast SEO has a large list of color coded options. The first thing I do after installing this plug in is the only option that allows such analyses, why.

Green Lights" at Yoast Many people strive to have all the "lights" in green, which makes no sense at all. This is because Not every subpage needs to be optimized. Not every item on this list is important. Yoast can't handle word inflections. Yoast can't handle Polish. Yoast does not analyze content that is outside the main content of the page. Yoast doesn't know your SEO strategy and what you want to achieve.