[Hemant]

Never mind, found this amazing post on this implementation https://www.thyngster.com/performance-timing-tracking-with-google-analytics-4

thyngster.com

Performance Timing tracking with Google Analytics 4 - David Vallejo

David Vallejo is a seasoned Google Tag Manager implementer and Google Analytics Consultant.

[Sonit]

https://measureschool.com/track-ga4-page-load-time/#:~:text=Open%20your%20GA4%20account%3E%20click,the%20metric%20in%20your%20reports.

this might help @Hemant

measureschool.com

How to Track GA4 Page Load Time with Google Tag Manager

This is a guide on how to track GA4 page load time. Learn how to set up, effectively report, and track GA4 page load time.

[Hemant]

Thanks Sonit, this method track page load time only though. I found anither method which tracks 8 metrices https://www.thyngster.com/performance-timing-tracking-with-google-analytics-4

[Ayush]

Thank you so much guys for sharing this here, this is really very resourceful and helpful, thank you!