Switch Chrome by Brave. Add a tab suspender. If you have 4GB or more, set the browser cache to RAM (a tmpfs directory).
You'll be surprised of how speedy and usable is your old Celeron computer.
And this CPU is very power efficient, so no heat and no fan. Silence.
My 2016 Lenovo laptop was almost unusable with windows 10 and its myriad of processes hogging the CPU.
Manjaro Linux brought this little laptop to life and now it's my daily driver, more than enough for my needs (browsing, coding).