There are some SEO plugin already on wordpress site but few popular plugin authors have changed their code and added some necessary features (meta keywords) in PRO version. That's why we decided to provide a best SEO Manager plugin to our users with all the necessary features in a free version.
Finally today, we have released a new wordpress plugin "SEO Manager". I want to let you all know that this is a very light weight plugin with all your necessary SEO meta fields like Meta Title, Meta Description, Meta Keywords....etc.https://wordpress.org/plugins/seo-manager/ The Best Wordpress SEO Plugin https://youtu.be/Oc3dRk37yK4
Hope you will enjoy using this plugin.