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When is Firefox going to stop being so inefficient and such a resource hog?

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Websites that run fine on Safari will consume RIDICULOUS amount of CPU time when open in tabs on Firefox. This is NOT a website issue. This is a FIREFOX issue. Doing a little bit of searching on the internet, this has apparently been an ONGOING problem for FIREFOX.

I am tired of all the "possible" explanations, especially after ruling them out.

NO, it's NOT "add-on" or extensions. NO, it's NOT "preferences." NO, it's NOT "the website."

IT IS FIREFOX.

I am ready to PERMANENTLY DELETE Firefox—just like I did with Chrome—and NEVER look back.

Sad. I remember the days when Firefox was my only browser.

Too bad it's developers seem (really) inept.

Websites that run fine on Safari will consume RIDICULOUS amount of CPU time when open in tabs on Firefox. This is NOT a website issue. This is a FIREFOX issue. Doing a little bit of searching on the internet, this has apparently been an ONGOING problem for FIREFOX. I am tired of all the "possible" explanations, especially after ruling them out. NO, it's NOT "add-on" or extensions. NO, it's NOT "preferences." NO, it's NOT "the website." IT IS FIREFOX. I am ready to PERMANENTLY DELETE Firefox—just like I did with Chrome—and NEVER look back. Sad. I remember the days when Firefox was my only browser. Too bad it's developers seem (really) inept.