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WebPagetest in 5 minutes
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Koji Ishimoto
October 30, 2013
Design
12
2.5k
WebPagetest in 5 minutes
Introduction to "Speed Index" of awesome tool WebPagetest.
http://www.webpagetest.org/
#frontrend
Koji Ishimoto
October 30, 2013
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Transcript
Frontrend x Chrome Tech Talk Night Extended, October 30, 2013
5 WebPagetest minutes in
+KojiIshimoto
Web Performance Warrior I’m a... www.flickr.com/photos/soldiersmediacenter/5349439407
PageSpeed Insights WebPagetest
WebPagetest
None
None
None
First Byte Start Render DOM Elements Document Compete Fully Loaded
Load Time Waterfall View Connection View Screen Shot Filmstrip View Watch Video Scripted Test Waterfall Opacity Export HTTP Archive
None
None
Speed Index
None
None
Speed Index = end 0 1 ― 100 VC ∫
― ― ― end = End time in milliseconds VC = % (Visually Complete)
Let’s Improve Performance
None
Before 80 PageSpeed Insight Score
Remove it!
After 93 PageSpeed Insight Score
None
WebPagetest
WebPagetest
3105 WebPagetest
None
―@maccaw Speed is the second biggest engagement driver on the
Internet. Just after perceived speed.
Private Instance for Ameba
None
Under Development
Thanks! +KojiIshimoto