1. Yoast SEO Tool
Yoast is a plugin that helps everyone from newbies to expert optimize each page and post to make any search engine happy. Just install and activate their plugin, then enter your preferred keyword at the bottom. Yoast’s SEO tool will then automatically give you a red, yellow, or green ranking for both SEO and readability. Both of these are considered to be valuable criteria by search engines. You can also use Yoast to edit the titles, meta information, and much more. Both free and paid tools are great ideas.