The question coming in you mind is no longer make any seance.

Google and all other major search engine like Yahoo, Bing has disqualified Meta keyword tag log before.

So even if you adding meta keyword tag in you webpages Google and all other search engine never going to take look at that one and you never going to get any seo benefit out of it.

So it's better to concentrate on Title, Description, Body content of the webpage to make SEO work for you.

The question asked no longer makes any sense in the current environment.

Google and all other major search engines like Yahoo, Bing have disqualified the Meta keyword tag long before.

So even if you're adding the meta keyword tag in your webpages, Google and all other search engines are never going to take a look at that meta and you are never going to get any SEO benefit out of it.

So it's better to concentrate on Title, Description, Body content of the webpage to make SEO work for you.