Mozilla Firefox Accessibility and web apps: troubleshooting guide
Find practical guidance for mozilla firefox accessibility and web apps problems on supported devices. Start with low-risk checks and preserve your personal data before making changes.
Before you begin
Make a note of your device, browser version, exact symptoms, and any displayed error. If your browser contains important unsynced passwords, bookmarks, or open work, back them up before resetting settings or clearing data.
Step-by-step checks
- Check browser zoom, text size, and operating-system display scaling.
- Test keyboard navigation, reader modes, and translation on a compatible page.
- Verify that JavaScript and relevant site permissions are enabled.
- For installed web apps, confirm the feature is supported on this platform.
- Compare the issue in a new profile before changing advanced browser flags.
If the problem continues
Test whether the issue happens in a second browser, a private window, or a separate trusted network. This helps distinguish a browser problem from a website, device, or internet problem. Avoid disabling certificate warnings, antivirus protection, or company policies just to make a page load.
Video: browser troubleshooting basics
Illustrated general walkthrough. Exact menus depend on your browser and version.
Related search topics and FAQs
These are related user searches covered by this guide. Some require device-specific checks; the phrases below are not separate identical articles.
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