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Because groups want to track people without cookies. This re-introduces the problem of shared caches. Site A can know if someone visited Site B by whether or no
by giantrobot 2y ago
Because groups want to track people without cookies. This re-introduces the problem of shared caches. Site A can know if someone visited Site B by whether or not they have the dictionary for some shared resource. Site A never has to show a cookie banner to do this tracking because there's no cookie set. This is just reintroducing the "feature" of cross-site tracking with shared caches in the browser.
- bawolff 2y agoAre you sure? I would assume that available dictionaries would be partioned by site (eTLD+1).
- patrickmeenan 2y agoNope. The dictionaries are partitioned the same way as the caches and cookies (whichever is partitioned more aggressively for a given browser). Usually by site and frame so there are no cross-site vectors that it opens.