The "robots" meta tag is intended to allow webmasters to tell spiders NOT to do something. They, by default, index content and follow links. Adding '<META NAME="robots" CONTENT="index, follow">' is utterly pointless.
The "<meta name="revisit-after" content="x days">" tag is also useless. Many people seem to think it tells a spider how often to index a page. It was originally intended to tell spiders how long
not to index a page for. And it's not actually used by the vast majority.
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Just wondering if these should be used in addition to description and keywords. Thx.
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So to answer your question ... nope, no point in adding them whatsoever.