The market share for BigCommerce decreased by 0.067 percentage points (from 0.194% to 0.127%) for all sites, more than any other segment during the same period of time.
We detected the following sites were using BigCommerce
mybigcommerce.com
geappliances.com
wildtangent.com
braun.com
oralb.com
eartheasy.com
How We Detect Installations of BigCommerce
Headers
HTTP headers can provide some of the best clues about a site's CMS. The values of set-cookie and x-powered-by headers are the most common and easiest to find.
Markup
If a CMS doesn't have meta tags, it will often have other uniquely identifiable html markup. This can range from unique html comments, ids or classes.