Yahoo mail is either loading very slow or not at all, expericeing the same with other web pages?
Yahoo mail is either loading very slow or not at all, experiencing the same with other web pages? Have cleared cookies/cache. Yahoo mail works fine on my other non-firefox systems.
Alla svar (2)
Do you have the same issue with Firefox in Safe Mode?
Are you running pro or home version of Windows? If pro, you should have sandbox enabled for testing. https://www.howtogeek.com/399290/how-to-use-windows-10s-new-sandbox-to-safely-test-apps/
Site load fine for me. see screenshot Laptop, DIY, or Desktop? WiFi or plugged in?
Try changing DNS over HTTPS (DoH) to "Off" or "Max Protection" and in Connection Settings change "Use system proxy settings" to "No proxy".