Google’s John Mueller said on Twitter that sometimes hard to understand and really complex URL structures can lead to pages being removed from the Google search index. He said specifically “many URLs leading to the same content, making our systems assume that a part of the URL is irrelevant.”

The complaint was that an e-commerce site had over 50,000 pages removed from the Google index recently. After a bit of digging around, John Mueller from Google responded that it is possible the URL structure on the site is to blame.

Here are the chain of tweets:

Keep your site simple.

Forum discussion at Twitter.

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