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by snthd 2806 days ago
Possibly - https://en.wikipedia.org/wiki/HTTP_ETag#Tracking_using_ETags
1 comments

The ETags are identical to those from Github:

$ curl -I https://cdn.rawgit.com/sindresorhus/awesome/master/readme.md

etag: "1218d241f6c717fa83d0f1afa64809d6ce7451c8"

$ curl -I https://raw.githubusercontent.com/sindresorhus/awesome/maste...

ETag: "1218d241f6c717fa83d0f1afa64809d6ce7451c8"