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I recommend the privacy.resistFingerpriting about:config mentioned. It's been available for a while and does other things too, like changing your user agent.
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Why not use the built-in mobile preview tool that allows you to set custom dimensions?
I also use that, but I find it faster and more straightforward to just drag the window edge, especially when devtools are not opened. One example is using browser and editor side-by-side on a single macOS split-full-screen.
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I also use that, but I find it faster and more straightforward to just drag the window edge, especially when devtools are not opened. One example is using browser and editor side-by-side on a single macOS split-full-screen.
You can open responsive mode via a keyboard shortcut without needing the dev tools open; on Windows it’s Ctrl+Shift+M, no idea about macOS but it’s doubtless easy to look up.
> The general idea is that "letterboxing" will mask the window's real dimensions by keeping the window width and height at multiples of 200px and 100px during the resize operation --generating the same window dimensions for all users-- and then adding a "gray space" at the top, bottom, left, or right of the current page. > The advertising code, which listens to window resize events, then reads the generic dimensions,…
Havent they thought about not broadcasting the window size... wtf. We are doomed apparently.
If it wasn't you would still be able to reverse engineer it by sticking elements outside the viewport and seeing if they're hidden or not.
Turns out anonymity is super freaking hard. :-/
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Havent they thought about not broadcasting the window size... wtf. We are doomed apparently.
Apps need it to determine where to place elements. If it wasn't you would still be able to reverse engineer it by sticking elements outside the viewport and seeing if they're hidden or not. Turns out anonymity is super freaking hard. :-/
Could they hide the actual window dimensions from website javascript by only allowing a special kind of sandboxed function to access it? The website's code only really needs to do arithmetic on those values, so the browser could deny access to the actual values and force the code to manipulate them symbolically.
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Apps need it to determine where to place elements. If it wasn't you would still be able to reverse engineer it by sticking elements outside the viewport and seeing if they're hidden or not. Turns out anonymity is super freaking hard. :-/
> Apps need it to determine where to place elements. Could they hide the actual window dimensions from website javascript by only allowing a special kind of sandboxed function to access it? The website's code only really needs to do arithmetic on those values, so the browser could deny access to the actual values and force the code to manipulate them symbolically.
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Havent they thought about not broadcasting the window size... wtf. We are doomed apparently.
Apps need it to determine where to place elements. If it wasn't you would still be able to reverse engineer it by sticking elements outside the viewport and seeing if they're hidden or not. Turns out anonymity is super freaking hard. :-/
Who out there browses to a size, resizes there window, then browses to another website, then resizes again and so on? That makes no sense.
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I've been using privacy.resistFingerprinting for a while and also recommend it, but there is one major "side effect": your reCAPTCHA score will drop to 0.1 making many websites really tedious to use. It's a price I'm willing to pay though...
Making recaptcha worthless by making it so intrusive no one will use it. I love this idea. Recaptcha is god awful.
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I've been using privacy.resistFingerprinting for a while and also recommend it, but there is one major "side effect": your reCAPTCHA score will drop to 0.1 making many websites really tedious to use. It's a price I'm willing to pay though...
reCAPTCHA is a Google thing so it gets blocked in my browser already anyway (by uMatrix). If I need to load it to see a website, I close the tab immediately and go somewhere else.