pettter@kagan @AltTextHealthCheck That's not the metric by which they picked the top 50 though? This is top 50 by active users. Taking this distribution to hold for the rest of the instances is not valid in the first place (large instances have different demographics and cultures than small ones), but even if you did, you'd get an average of around 50% alt-texts across all instances. Again, this isn't a valid extrapolation though.
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