I don’t know of any data plan that limits on the upload. Caps are usually on the download side, and TFA says it does not download the server response.

A basic GET request, even with a long querystring, will be negligible even on a 1998 dial-up connection.

There’s a popular French series with the exact same pitch, HPI. I don’t know which one is the rip-off though.

Chrome forked Webkit in 2012 to create Blink. It is reasonable to assume they have somewhat diverged since.