Meta tags were a great idea, but there was nothing stopping webmasters keyword stuffing or spamdexing them with irrelevant high traffic keywords. Which of course they did with enthusiasm: Disney porn was a high traffic niche in the 90s!
Today the vast majority of meta tags are worthless (Google never used the meta keywords tag) and those that are still considered by search engines aren’t worth that much. Google confers NO DIRECT search engine RANKING benefit from any meta tags, so if you expect a high Google ranking from perfectly optimised keywords in your meta tags, don’t hold your breath.
SEO Caveat: Don’t mistake the above to mean the Title Tag (which isn’t a meta tag) has no value, the title tag is probably THE most important on-page SEO factor to get right.
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