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Question by Anant R. · Jun 08, 2012 at 07:26 AM · web performance monitoring

How are the server times, Ajax times and Network Times calculated

I am using the Ajax Dynatrace product and I  was curious about how certain metrics are calculated.

1) Server time

For a particular page ( say example.com/login) Do you add up all the 'Time to First Byte ' for all resources on the page ? and/or subtract the DNS time,connection time,transfertime , network time etc to arrive to server time OR a different way ?

2) Ajax time ?

Since the response comes back in chunks , what event / marker specifies the start and end of Ajax times ?

Are they included in the Total Page load time ?

3) Network time 

How is this calculated ?

4) Dynamic request time 

How is this calculated ?

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Answer by Andreas G. · Jun 08, 2012 at 01:03 PM

Hi

Check out the links in the following forum post: Best Practices on Web Performance Optimization
There you find the exact definition of all these timings

Andi

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