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If you've been using Safari for ages and just used Chrome for the first time on that machine, it could be Safari's cache & other temp files have just grown very big and clunky. Did you try to clear these caches in Safari already? Would be surprised if with clean cache there is much noticeable performance difference between the two.

Besides, do you have any ad-blockers installed in Chrome but not in Safari? That could speed up loading times a lot on ad-heavy sites, but then the ad-blocker makes the difference.
 
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If you've been using Safari for ages and just used Chrome for the first time on that machine, it could be Safari's cache & other temp files have just grown very big and clunky. Did you try to clear these caches in Safari already? Would be surprised if with clean cache there is much noticeable performance difference between the two.

Besides, do you have any ad-blockers installed in Chrome but not in Safari? That could speed up loading times a lot on ad-heavy sites, but then the ad-blocker makes the difference.
May be this is it. I do have an adblocker enabled in chrome. but something like twitter website is way faster on chrome with or without the Adblock. Same goes on to loading pdfs etc
 
The other day an old thread about Safari being slow was bumped. In it @asv56kx3088 had suggested turning off all options under search preferences and I'll be, it really made Safari much faster for me. On all of my machines, Edge & Firefox would blow Safari out of the water but after unchecking these preferences* Safari is every bit as fast as other browsers for me.

(*I now have "Include search engine suggestions" and "Show Favorites" checked, and it is still zooming along.)
 
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I was thinking of posting a similar thread. "Anecdotally' it seems that Safari bogs down more often than chrome (Catalina). Frequently I get impatient with Safari not opening up a website from 'favorites', just X out of it and open with Chrome.
 
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