Google: Crawl Rate Increases Can Be Related To Mobile-First Indexing Switch

Oct 10, 2018 - 8:00 am 3 by

Google Mobile First Index

Google has said this before, but it is worth repeating, that an increase in crawl rates may be a sign that you are switching over to mobile-first indexing. John Mueller repeated it again on Twitter the other day and below are some stats to show you what you might see.

John responded to a complaint about a huge increase in crawl rates saying "Looks like a shift to mobile indexing. We try to reprocess things on mobile as quickly as possible. If it's too much, use the search Console settings."

It might not be 100% the case but I looked up some of the crawl rates for sites that got notices on September 20th and I saw most of them, not all of them, saw huge spikes in their crawl rates on September 8th and/or 9th.

Here are some of those crawl rate charts showing the spikes for those sites with notifications on September 20th:



Compare that to a site that was not switched over yet and you see this:


Forum discussion at Twitter.


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