What is following header for: X-Chrome-Variations?
问题 I was looking at http requests sent by chrome in Fiddler, and I noticed following http header which puzzles me: X-Chrome-Variations: CNa1yQEIjrbJAQiYtskBCKK2yQEIp7bJAQiptskBCLmDygE= This is a base64 encoded 35-byte array: 8,214,181,201,1, 8,142,182,201,1, 8,152,182,201,1, 8,162,182,201,1, 8,167,182,201,1, 8,169,182,201,1, 8,185,131,202,1 I've seen several examples of this number on the web. Can anyone explain to me what this is, and why chrome sends it out (and if it could be used to identify