I implemented the unavailable_after tag in my pages like the below and set to unavailable after 3 days but in Google Webmaster Tools I got 404 for that page.

<META NAME="GOOGLEBOT" CONTENT="unavailable_after: 05-May-2014 15:00:00 EST">

How do I know Googlebot visit(crawl) my pages again to read this tag (or) how long Googlebot will take to crawl the pages again ? please give me a suggestion!.

Note: I set unavailable_after tag for certain content types(not whole website) with highest priority(1.0) in XML sitemap.

1 Answer 1


Googlebot recrawls pages with a frequency based on how popular they are and how often they have changed in the past. CNN's home page gets crawled every few minutes. A PageRank 0 page near the back of an unpopular blog may only get crawled monthly.

As a general rule of thumb, I allow two to three weeks for all the pages on my site to get recrawled when I make changes.

I don't believe that Googlebot actually uses the crawl priority or change date in XML sitemaps to trigger recrawls. The only way that I know to force Google to crawl a page is to use the "Fetch as Google" feature in Webmaster Tools. That tool has a limit of 1000 pages that have to be submitted manually one by one.

See: How to request Google to re-crawl my website?


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