tl;dr for comments: Article seems to fail to notice that gzip timestamps are specced to be timezone-independent, and two of the three example domains at the en

tl;dr for comments: Article seems to fail to notice that gzip timestamps are specced to be timezone-independent, and two of the three example domains at the end of the article adhere to that spec. We don't know what happens to the article's "10%" number after servers that adhere to the spec are removed from the data. For all we know bing.com could be the only service that leaks this info.