5 ms·

ETag fingerprinting has been around for awhile, KissMetrics got sued for doing it in 2012. I don’t know if there’s a mitigation per se or if it’s just the threa

• tyingq 6y ago
  That's the point I was making. Since favicons have their own cache that isn't cleared when the user clears the main cache, ETags would work well there. And would be less complex than the file scheme in the post.
• esprehn 6y ago
  Most browsers have moved, or are moving, to cache partitioning to mitigate this: https://www.chromestatus.com/feature/5730772021411840 https://www.chromestatus.com/feature/5730772021411840 Safari shipped this a long time ago, and all other browsers are following that path. It's unfortunate because it means shared CDNs become ineffective.