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Actually Carl, Big commerce should have rel=canonical automatically formed but unfortunately the automatically generated rel=canonical has errors.

For example:

Pagination issues.

For page 2 the rel canonical it generates points to page 2 rather than page 1(which is the main page)

http://www.troisfemmesboutique.com/brands/Ya-Los-Angeles.html - this is the main page

http://www.troisfemmesboutique.com/brands/Ya-Los-Angeles.html?page=2&sort=featured - this is page 2 (check the rel=canonical for this page, you will know what I mean)

And if you add content on the main page, it duplicates it to the inside pages too. So rel=canonical would be perfect in this circumstances but you can only do so much with big commerce.

You can either hard code to fix this issue or just use robots.txt to disallow sorts!

Hope this helps.

This question has come up a few times with some of our clients and I've spent some time researching this question, but I can't find an answer online so hopefully, someone at MOZ has this data available to them with all the data they collect.

The data points that would be needed to answer this question off the top of my head:

• Increase in the # of Google Searches in the US YoY

• The decrease in CTR for organic results "10 blue links" which take a searcher off of Google YoY, as Google continues to keep more searchers on Google.com with rich snippets, increased AdWords prominence, AdWords extensions, etc

• I'm sure this greatly varies per industry, but an average for all industries is all that is needed to answer this client question.

Many thanks in advance and I've included a video which hopefully helps to better explain the search "plus/minus" that we can expect to see as SEOs in 2018.

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