Is anyone experiencing Safari working really slow

Hi Beristain104

welcome to the Apple (user-to-user) Community.

Re: Is anyone experiencing Safari working really slow ?

Wondering which Safari version is installed on your Mac.

Am using Monterey, and found Safari Version 16.4 was available in Software Updates.

Update to the latest version of Safari - Apple Support

Have at times experienced slowness, though mainly on particular sites, or in busy periods when ISP has greater demands made on service.

Clearing browsing history, cookies and cache has helped, and above update has too.

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Trouble-shooting:

These solutions are for issues that can affect Safari on Mac, eg: if Safari slows down.

If Safari doesn't open a page or work as expected on your Mac - Apple Support

Sometimes an installed extension can slow down browsing:

Get extensions to customise Safari on Mac – Apple Support

Resource:

Safari User Guide: (Monterey)

Safari User Guide for Mac – Apple Support

Safari Support

Safari - Official Apple Support

All the best :-)

its not just slowness , many daily websites are not loading content . Specially confluence and JIRA

Also this is not the first time safari behaves like this after upgrade 

Not every web-developer makes their site Safari friendly.

You can often check on a site to see which browsers they are preferring.