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SEO by Yoast and ALL IN ONE SEO are the best which online world recommends
I also agree that youast to best SEO plugin amongst all..
If your question is about premium or paid SEO pluins then “WordPress SEO by Yoast” is the best. You can visit it official site to download and pay. In order to know how to setup this plugin you can either refer wpbeginner.com as an informative website comprising all things about themes & plugins or see
http://spinsucks.com/social-media/eleven-steps-for-setting-up-and-using-the-yoast-seo-plugin/ to learn the same.