I am developing a service, and it needs to be able to determine whether or not a specific website on the internet validates (with 0 errors).
Does the W3C have an API?
Also, I would like to be able to do a browser-by-browser test. I mean, I would also like to be able to tell if [the first criteria cannot be met] any 1 (or more) particular website(s) fail(s) to validate (with 0 errors). Is this currently possible?
I am still searching, but have yet to find this out.