What is meta tag relevancy?

Any one know about meta tag relevancy?

 

As far as SEO? Your keywords need to be relevant to your site and should be used in the text of the page. Google's bots no longer look at Keyword meta tags partially because people would use non relevant keywords to get more hits. Other search engines algorithms still do so keywords are still important.
There are other meta tags that are also important such as description, robots, etc.
Most important quite possibly though is content. Original relevant content is going to do much for your site as far as search engine visibility.

 

This is a useful SEO tool in that it analyzes your web page meta tags to see how they are set up in regards to search engine guidelines. It's very useful for helping you to improve your sites search engine ranking.
This meta tag analyzer tool will help you analyze your web pages and check for search engine compatibility. It will analyze meta tags, keyword density, load time, page size, title meta tag relevancy, description meta tag relevancy and keywords meta tag relevancy. It will also display meta tags and headers returned from the web server, as well as search for keywords on the page or in images alt tag.

 

"What" is a useful tool?