nofollow (don’t click on links on the page)
none (a shortcut to specify noindex, nofollow)
all (shortcut for specifying an index, followed by)
noimageindex (do not index images on the page)
noarchive (do not show cached version of the page on SERPs)
nocache (this is the same as noarchive, but only for MSN)
nositelinkssearchbox (Do not show your site's search box on SERPs)
nopagereadaloud (Do not allow speech services to read your pages aloud)
notranslate (do not show the translation of the page on the SERP)
unavailable_after (specifies the time after which the page india mobile database should not be indexed)
You can see a full list of instructions from Google Support here and Bing Support here .
If you’re looking for examples of meta robots tags that can be used to control how search engines crawl and index your pages, you can see examples of the most common usage scenarios below:
Don’t index the page, but follow the links to other pages:
<meta name="robots" content="noindex, follow" >
Don't index the page and don't follow links from other pages:
<meta name="robots" content="none" >
Index the page, but don’t click on links from other pages:
<meta name="robots" content="nofollow" >
Don’t show cached copies of pages on SERPs:
<meta name="robots" content="noarchive" >
Do not index images on pages:
<meta name="robots" content="noimageindex"
Don't show page on SERPs after a specified datetime:
<meta name="robots" content="unavailable_after: Friday, 01-Jan-21 12:59:59 ET" >
If desired, you can combine directives into one tag, separating them with commas.
For example, suppose you don't want any links on your page to be followed, and you also want to prevent images from being indexed. Use: