Checking for keywords 
Your page does not have keywords. Keywords emphasize the most important parts of the content on your page. Make sure you add them.

META tags are not dead as you might have thought. Webcrawlers still look for them so make sure you have them. You can add keywords to your page as follows:
<meta name="keywords" content="rupert seo validator validate check web pages" />
bu nedir dostum açıklayabilirmisin.
Sitene keyword metatag'ını eklemediğini söylüyor ;
https://www.r10.net/meta-tag/150366-m...imization.html
burdan inceleyip ekleyebilirsin.