2021-05-16 UTC
# 
Loqi ok, I added "Criticism: Some websites have been found to use ETags to track users, by generating user-specific ETag headers for static assets (e.g. images) and using the If-None-Match header to track their subsequent accesses to that asset; this technique has been referred to as “super cookies”" to the "See Also" section of /etag https://indieweb.org/wiki/index.php?diff=75723&oldid=29034