YSlow 2.0

YSlow 2.0 Stoyan Stefanov, Yahoo! Inc. Beijing, Dec 6 th 2008

About the presenter ,[object Object],[object Object],[object Object],[object Object]

The importance of performance ,[object Object],[object Object]

The importance of performance ,[object Object],[object Object],[object Object],[object Object]

The importance of front-end In FF3 HTML Page: 22%

The importance of front-end In IE6 HTML Page: < 5%

Front-end performance ,[object Object],[object Object],[object Object]

Exceptional Performance at Yahoo! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Best practices ,[object Object],[object Object],[object Object]

Lossless image optimization http://smush.it

YSlow 1.0 ,[object Object],[object Object],[object Object],[object Object]

YSlow 2.0 ,[object Object],[object Object],[object Object],[object Object]

Rules ,[object Object],[object Object],[object Object],[object Object],[object Object]

A new rule ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The pool ,[object Object],[object Object],[object Object]

Grading algorithm 1.0 ,[object Object],[object Object],[object Object]

Grading 2.0 ,[object Object],[object Object],[object Object]

Warning! ,[object Object],[object Object]

Ruleset ,[object Object],[object Object],[object Object],[object Object]

Share the new algo ,[object Object]

Sharing the .xpi ,[object Object],[object Object]

New Ruleset ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic ,[object Object],[object Object],[object Object],[object Object],[object Object]

Tools 2.0 ,[object Object],[object Object],[object Object]

Import/export ,[object Object],[object Object],[object Object],[object Object]

Extensible tools ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

APIs ,[object Object],[object Object],[object Object]

Code organization ,[object Object],[object Object],[object Object]

Code quality ,[object Object],[object Object]

Pool of rule objects “ Yahoo! default” ruleset object “ Personal blog” ruleset object “ SEO” ruleset object L I N T

Contains result objects L I N T resultset HTML renderer <ol> <li>Minimize HTTP requests… JSON renderer

Types of extensions to YSlow 2.0. (summary)

An extension to YSlow can: ,[object Object],[object Object],[object Object],[object Object],[object Object]

New rules in YSlow 2.0 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Stoyan Stefanov [email_address]

YSlow 2.0

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Similar to YSlow 2.0

Similar to YSlow 2.0 (20)

More from Stoyan Stefanov

More from Stoyan Stefanov (20)

Recently uploaded

Recently uploaded (20)

YSlow 2.0