It is common knowledge in the SEO industry that that meta tags have not affected rankings since the 1990s. Only newbies think that meta tags will boost their sites.
The video is useful to reinforce that. I still see designers who tell clients that SEO has been taken care of because they set up the meta tags. RLOL
Yahoo still recognizes the meta keywords tag. I've tested it.
Bing and Google do not.
That said, Yahoo is going bye-bye, so soon the meta keywords tag will truly be extinct.
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