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Firefox browser on desktop is painfully slow

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My browser is being painfully slow to the point it is unusable. I only began encountering this issue over the last few days. I have cleared the cache and uninstalled and reinstalled the program. I have no issues when usinge Edge or Chrome.

My browser is being painfully slow to the point it is unusable. I only began encountering this issue over the last few days. I have cleared the cache and uninstalled and reinstalled the program. I have no issues when usinge Edge or Chrome.

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What OS? What version of Firefox? What security software are you running? Try in Safe Mode and see if you have the same issue. https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf