I’m writing to report a persistent issue I've been facing with Firefox on desktop when accessing the Pinterest website. Each time I open ''Pinterest'' in Firefox, it loads in what looks like a mobile layout, as if it were being viewed on a phone. In this view, images don’t load properly (they're often misaligned or appear in incorrect sizes), and overall usability is significantly reduced. I’m using Firefox on macOS, and this issue has been happening consistently on this setup. The only way I’ve found to temporarily fix it is to clear the browser cache and cookies. Once I do that, Pinterest loads in the correct desktop layout again. However, the problem '''returns''' the next day, and I’m forced to repeat the process—clearing data, logging in again, etc., which is quite '''frustrating'''. Notably, this issue does not occur in ''Chrome'' under the same conditions. It appears to be specific to ''Firefox''. Could you please advise if this might be a known bug, or if there’s any recommended fix or setting I can adjust to prevent this from happening? I’d appreciate any guidance or insights.