NEXT GEN YSLOW Marcel Duran Betty Tso Exceptional Performance Team

Yahoo! Exceptional Performance WPO - Web Performance Optimization Y! Property Performance Scalability Make Things Go Faster

Look Ma, I can haz speed!

MONOLITHIC CODE

performance analysis logic XUL HTML CSS JS network panel HTTP headers

performance analysis logic HTML CSS JS X-domain AJAX HTTP headers

Look Ma, new friend

Firebug Net Panel

NO ACCESS to Network Panel

- apples to apples more accurate less accurate precision

ideally

Desktop

Hello Mobile

performance analysis logic HTML CSS

bookmarklet injection WITHOUT messing with the page

performance analysis logic HTML CSS YUI JS ? HTTP headers

AJAX can't cross borders

scalable proxy solution needed

performance analysis logic HTML CSS YUI JS YQL HTTP 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

coming soon powered by new mobile friendly interface

coming soon JSON in the cloud support

coming soon open source

coming soon multi language

coming soon { "log":{ "version":"1.1", "creator":{ "name":"Firebug", "version":"1.6.2" }, "browser":{ "name":"Firefox", "version":"3.6.15" }, "pages":[{ "startedDateTime":" T01:50: :00", "id":"page_34997", "title":"dvd - Yahoo! Search Results", "pageTimings":{ "onContentLoad":987, "onLoad":1052 } ], "entries":[{ "pageref":"page_34997", "startedDateTime":" T01:50: :00", "time":771, "request":{ "method":"GET", "url":" "httpVersion":"HTTP/1.1", "cookies":[{ "name":"B", "value":"f0lhc3p6nkqd4&b" }, { "name":"CH" HAR importer command line JavaScript

Thank you! phpied.com YQL

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