More from Google on its indexing issues

More from Google on its indexing issues


Vincent Courson, Google Search Outreach, has written a blog post about Google’s search indexing problems of late, how it fixed them and lessons it has learned.

In the post, Google explained some of the recent indexing issues the company had over the past few months. This includes the indexing issue with new content from last Thursday, a similar issue from last May and Google de-indexing sites from back in April.

Google’s index is the place where Google stores the results you see in the search results pages. If there is an issue with the index, it can impact what Google serves to searchers. Google stores these URLs in data centers across the world and pushes updates to all those data centers over time.

Google lost part of its index. Google said that it lost part of its index in April because of a deployment issue. “So, as we pushed some planned changes to the Search index, on April 5th parts of the deployment system broke, on a Friday no-less!,” Courson wrote. “More specifically: as we were updating the index over some of our data centers, a small number of documents ended up being dropped from the index accidentally. Hence: we lost part of the index.”

Communication and documentation. Google said that the company communicated the issues over Twitter as quickly as it could. Google also documents these issues in Google Search Console on the data anomalies page and within the Google Search Console reports. In the Google Search Console reports, Google may add an indicator noting the issue and link that over to the data anomalies page.

Here is what that looks like:

RustyBrick, a NY based web consulting firm. He also runs Search Engine Roundtable, a popular search blog on SEM topics.

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