I see that the "screen resolution" is smaller than the "browser size" in MANY cases. How is that possible?

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Some of these entries look a bit fishy. Any ideas what's going on? Is there a bug in Google Analytics?

  • 2
    I wonder if this is due to a dual screen setup?
    – davidgo
    Dec 1 '20 at 18:02
  • 13+%? I dont think so...
    – Toskan
    Dec 2 '20 at 5:19
  • @Toskan What's wrong with "13+%"? Does that strike you as high or low?
    – MrWhite
    Dec 4 '20 at 12:16
  • it cannot be a dual screen setup. The window is higher than the screen height. Unless they have like a 4 screen setup, like 2 next to each other and 2 below. With 800x600 px. 13%? It's laughable, very unlikely. Its much more likely its a bot or some GA fluke.
    – Toskan
    Dec 6 '20 at 2:04
  • 1
    At first I thought it was somehow related to zoom level (which GA is also aware of) but that shouldn't change the aspect ratio. 800x600 shouldn't scale to 1370x770. And like you said, the % of users does seem a little high, but we can't see the sample size (user total). We can see that the expected res/size combos have much more normal session duration (for humans) but that won't mean as much if the sample size is too small.
    – Trich
    Feb 4 '21 at 18:58

Utter speculation, but I'm new here and want to help:

I think the resolution that the browser tells the website to render at is different from the actual screen-resolution of the phone. Especially with the 800x600 case I can see how that could increase user experience.

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