Is there any importance of Keyword Tag for Google?

There was a time when webmasters and SEO managers give great importance to keyword tag on a specific page. By selecting most relevant keywords for a page and putting those keywords in keyword tag, webmasters used to tell search engines that my webpage is targeting these specific keywords and have content that match with these keywords. This keyword tag was also a part of on site SEO and have to put in <head> </head> tag. Just like we use 'description' tag in this section.