Big drop in organic traffic after new site launched

[JonesBros]

Hi There,

I have had a drop of around 40% in site traffic since we migrated our site from Magento to Woocommerce. The products were migrated across and kept the same title tags, meta descriptions, copy etc...

I set up 301's on the top 100 landing pages and submitted a new site map using Google Web Master Tools. It looked like the traffic was coming back to where it was but the gap has widened again.

Can anyone advise me on what I may have missed or how to go about diagnosing the problem and fixing it

[Satans_Apprentice]

The answer probably revolves around your 301 redirects. I assume that you didn't keep the old URL structure.

1. Was your site https before the change?
2. Was it www? Did you have a trailing slash in the old URL?
3. Did you redirect all pages with backlinks? You really should 301 everything.
4. Did you change the links in the navigation?
5. Are you getting any alerts in search console?
6. Did the canonicals change?
7. Did the category filters change?

The simple answer is "find what changed". The complex answer is "find what changed". Do you have a copy of the old site? Run an audit on both. Sometimes you can also glean some insight from Google webmaster tools

Pick up a copy of "ecommerce seo" by Traian Neacsu. He doesn't have an audit checklist per se, but anything you could be doing wrong is in the book.