Mobile Reddit is awful on Safari, but it speaks more about Reddit developers than it speaks about Safari.
replyStrava is an example of a website that's dog slow on Safari. Pages take 10+ seconds before they start rendering.
replyInterestingly gmail suddenly started loading dog slow in Safari for me. I'm on an older version of Safari so that could be a factor - so bizarre though. I wouldn't put it past them to be doing that deliberately.
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