DynaTrace AJAX Edition介绍

李亚飞/louie 185421

Performance Rank

Timeline

PurePath

Network

Hot Spots

page load time

number of network roundtrips

transferred size

Performance Metrics

KPI’s on Load Time

Time to First Impression

Time to onLoad Event

Time to Fully Loaded

KPI’s on Resources

Total Number of Requests

Total Number of HTTP 300s/400s/500s

Total Size of Web Site

Total Size of Images/CSS/JS

Total Number of XHR Requests

KPI’s on Network Connections

DNS Time

Connect Time

Server Time

Transfer Time

Wait Time

Number of Domains / Single Resource Domains

Browser HTTP

IE 6,7 2

IE 8 6

Firefox 3+ 6

Chrome 4+ 6

iPhone 4 4

Opera 10.5+ 8

Good OR Bad

Time to First Impression

great < 1s

acceptable < 2.5s

slow > 2.5s

Time to onLoad

great < 2s

acceptable < 4s

slow > 4s

Time to Fully Loaded

great < 2s

acceptable < 5s

slow > 5s

Total Number of Requests

great < 40

acceptable > 40 and < 100

bad > 100

打分

KPI's 60%

Browser Caching 10%

JavaScript/AJAX 10%

Server-Side Activities 10%

Network Resources 10%

Demo

参考资料

dynaTrace Web Performance Best Practices

dynaTrace Ajax版使用指南

http://blog.dynatrace.com/