⏰ Old Post
This post is over 5 years old - it might be slightly outdated and consigned to the history books.
We now add Sales Revenue data to results in the BuiltWith Pro product.
We calculate this by looking at how long the eCommerce site has been around, if it's using premium technologies, if it's a high traffic site.
We're going to keep tweaking it to improve estimates as we go forward.
