It is typical that firefox can use 339 600 K (shown on the Task Manager and seemed to work) to show an image? My entire system freezes when that happens

I was looking at pictures in an e-mail, (PDF), and firefox is running 339 600 K and froze my system. Is this typical? He just kept which passes I waited, however, the screen turned gray (with e-mail showing under) and after about 15 minutes, I decided that was pretty long and updated version of the browser (or the arrow from small circle). Then I could do it again, but it kept happening on every third image.
Thanks in advance for your advice

Start Firefox in Safe Mode {web link} by holding down the < shift >
(Mac options)
key and then from Firefox. Is always the problem?

Firefox using too much memory (RAM) - how to fix
This article describes how to make Firefox use less memory to make it run faster and prevent accidents.

https://support.Mozilla.org/en-us/KB/Firefox-slow-how-make-it-faster

https://support.Mozilla.org/en-us/KB/Firefox-uses-too-many-CPU-resources-how-fix

https://support.Mozilla.org/en-us/KB/Firefox-hangs-or-not-responding

Tags: Firefox

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