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Amazon website is wonky in Firefox

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Amazon is wonky in Firefox. Screenshot of Amazon homepage in Firefox. Screenshot of Amazon homepage in Chrome, both screenshots taken at 10:30 am Pacific Time 06/07/2023.

Amazon is wonky in Firefox. Screenshot of Amazon homepage in Firefox. Screenshot of Amazon homepage in Chrome, both screenshots taken at 10:30 am Pacific Time 06/07/2023.
Bafoto sur écran jointes

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Amazon and eBay are two sites for some reasons has been having issue viewing on Firefox for quite some time. Only fix I know of is to use Chrome or Edge as the two Browsers I've that I know seems to now have this viewing issue when in Amazon or eBay. You should best submit this to Firefox development to have to look future into this.

https://support.mozilla.org/en-US/kb/file-bug-report-or-feature-request-mozilla

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You get this if you block CSS files.

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, DuckDuckGo PE, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content.

  • click the shield icon for more detail and possibly disable the protection

You can check the Web Console for relevant-looking messages about blocked content.


You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or if userChrome.css/userContent.css is causing the problem.

  • switch to the Default System theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window