I am running two separate magneto stores and both are showing a lot of “Not Found” errors in Google Webmaster Tools Web Crawl.
One site is showing over 360 not found errors. The other is showing 50.
The errors generally fall into 3 categories
1. Some of these errors are related to changing category names, or re arranging there tree structure.
2. Most I have no idea where they are coming from because the URL they list has something like ?SID=85ohothjrs9cqevqrel6nptsn4 or ?order=position&dir;=desc&price;=2,100&cat;=53&p;=3&mode;=list at the end, and says it is coming from the homepage. Maybe this is a search error?
3. Some of the errors are coming from URL extensions that I have changed a long time ago. For example the original about us page at “/about-magento-demo-store” shows an error coming from the home page. I have changed this page many months ago, and it is not linking from the homepage.
I know this can hurt rankings, does anyone know whats going on?