NEXT GEN YSLOW Marcel Duran Betty Tso Exceptional Performance Team

NEXT GEN YSLOW

Marcel DuranBetty Tso

Exceptional Performance Team

Yahoo! Exceptional Performance

WPO - Web Performance OptimizationY! Property Performance

Scalability

Make Things Go Faster

Look Ma, I can haz speed!

MONOLITHICCODE

http://www.flickr.com/photos/peternijenhuis/199756027

performance analysis logic

XULHTML

CSS

JSnetwork panelHTTP headers

http://www.flickr.com/photos/fallenpegasus/2917187937/

performance analysis logic

HTMLCSS

JSX-domain AJAXHTTP headers

Look Ma, new friend

Firebug Net Panel

NO ACCESS to Network Panel

- apples to apples

http://www.pachd.com

more accurate

less accurate

precision

http://blog.lassodatasystems.com

ideally

Desktop

Hello Mobile

performance analysis logic

HTMLCSS

bookmarklet injectionWITHOUT

messing with the page

http://www.electricretard.com/comics/sandbox_01.png

performance analysis logic

HTMLCSSYUI

JS          ?HTTP headers

AJAX can't cross borders

http://www.flickr.com/photos/mpd01605/3939455673

scalable proxy solution needed

performance analysis logic

HTMLCSSYUI

JSYQLHTTP headers

post page onload resource detection

contentWindow.onload listener

iframe

inject Doc HTML content

Mutation events listener:  - DOMNodeInserted  - DOMAttrModified

looking for src and href

onload

http://www.flickr.com/photos/nickellis74/3800538245http://pocketnow.com/how-to/video-try-this-multitouch-gesture-on-iphone-or-

webos

coming soon

powered by

new mobile friendly interface

coming soon

JSON in the cloud support

coming soon

open source

coming soon

multi language

http://www.flickr.com/photos/mag3737/5480814627

coming soon{  "log":{    "version":"1.1",    "creator":{      "name":"Firebug",      "version":"1.6.2"    },    "browser":{      "name":"Firefox",      "version":"3.6.15"    },    "pages":[{        "startedDateTime":"2011-03-12T01:50:56.991-08:00",        "id":"page_34997",        "title":"dvd - Yahoo! Search Results",        "pageTimings":{          "onContentLoad":987,          "onLoad":1052        }      }    ],    "entries":[{        "pageref":"page_34997",        "startedDateTime":"2011-03-12T01:50:56.991-08:00",        "time":771,        "request":{          "method":"GET",          "url":"http://search.yahoo.com/search?p=dvd",          "httpVersion":"HTTP/1.1",          "cookies":[{              "name":"B",              "value":"f0lhc3p6nkqd4&b"            },            {              "name":"CH"

HAR importer

command line

JavaScript

Thank you! phpied.com

http://www.flickr.com/photos/oreillyconf/4729159148/

YQL

YSlow for Mobile, Beta

Alpha Demo

http://www.smushit.com/demo/yslow/

** expires tonight @ 6pm PDT **

Exceptional Performance

tech.groups.yahoo.com/group/exceptional-performance

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