Could be or it might be time to restart your device? Or is it attached to WiFi and maybe your router needs to be restarted?
Another good test would be to go somewhere else. Another site. Does it have the same number of pictures and text - and if so does it perform about the same? A good example is FaceBook. That software is an absolute PIG on a lot of phones... Without creating an account there, try to look there - maybe facebook market place. Scroll around and see how it acts. Faster? Slower?
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