Today we will discuss about Meta Keyword tag. As per google, they do not use meta keyword tags. Spammers spoils this tag. But maximum seo books are not mentioning it. I think they are saying about common factors. And some search engines still use meta keyword tags. So we
must use this tag for other search engines. But when we use this tag we have to keep in mind some of the factors:

1. Use your keywords here.

2. Don't use same keywords repeatedly. Search engines take it as spam.

3. Use only those keywords which are relevant with the content.

But as per the trend, keyword tag is not too much essential nowadays. We can use our keywords in various spaces so that search engine can recognize them and keep them in their database.