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If you have our Instant Indexing ping-back code installed on your website, any new or updated webpage is updated in the collection when : any of the
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following fields are updated and the page is visited within 30 minutes of being updated.
title
description
canonical
robots
og:title
og:image
og:description
Instant indexing does not remove records from the index if a webpage’s status code is changed to a 404, 403, 301, or a 302. However, the regular crawl cycle does take the status code into account and will remove the page from the index if the page returns a 404, 403, 301, or a 302.
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