I hope that this information will help you will make plugin better:
404 Logs – no filter, example: 404 errors on the images, css, js, so hard fount usual url
404 Logs – working when admin login, this is bad, because creating new problems (url on admin-js, admin-cssand other)
Sitemaps – has your advertisement, it is not bad, but not good for me
Meta Description – I can’t setting it up like this, that its will be has <150 symbols long
