SearchEngineLand reports that Google is set to introduce a new Meta Tag named “unavailable_after.”
What’s a META Tag?
I’m glad you asked, a META Tag is information placed in a web page not intended for users to see but instead which typically passes information to search engine crawlers, browser software and some other applications, in this case we’re talking about Google.
Google’s META Tags so far:
googlebot: noarchive – do not allow Google to display cached content
googlebot: nosnippet – do not allow Google to display excerpt or cached content
googlebot: noindex – similar to the robots meta element
googlebot: nofollow - instructs Google not to pass any PageRank or link popularity to the link served.
The “unavailable_after”
The “unavailable_after” tag will allow you to tell Google when Googlebot should no longer crawl that page.
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