This looks great. This could be used to help discussions on Mozilla and WebKit issue tracker about how some changes will "break the web" or not. I am sure Googl

This looks great. This could be used to help discussions on Mozilla and WebKit issue tracker about how some changes will "break the web" or not. I am sure Google has this data and use the data to develop Chrome, but previously best public data was Opera's MAMA in 2008 and sadly that is completely outdated by now.