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Why/how do browsers allow sites to query the list of installed addons? That seems like it should very much be opt-in behaviour, that an addon would need to expl
by MichaelGG 12y ago
Why/how do browsers allow sites to query the list of installed addons? That seems like it should very much be opt-in behaviour, that an addon would need to explicitly inject functionality to be discovered.
- noondip 12y agoIt's not that the list of addons is known, but rather infered from the number and types of blocked elements.