yslow hacking

Hacking YSlow @stoyanstefanov http://phpied.com SF WebPerf Meetup Aug 2, 2012

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Hacking YSlow

@stoyanstefanov

http://phpied.com

SF WebPerf Meetup Aug 2, 2012

Configuring

Customizing

Extending

Messing

Fiddling

Hacking

Tool -> Platform

Scores

Strike of a genius?

Lucky strike?

Marketing plot?

How come I get an...

Coding horror:

"Yahoo's problems

are not your

problems"

Disagree with scores?

Your own CDN?

Expires not important?

Customize the scores

Customize the rules

New rules

Remove the owner

bottleneck

Lint all the things!

Contribute to the

project

Written in JS

barrier for entry =

!existent

Architecture

1. Peel

2. Lint

3. Show

Architecture

1. Peel

2. Lint

3. Show

Running your own

hackable copy

(bookmarklet)

1. Git

2. Build

3. Deploy

4. Install client

1. Git (click)

2. Build (make)

3. Deploy (scp)

4. Install client

(drag)

Hack:

1. customize

2. extend

Hack:

1. customize YSLOW.registerRuleset()

2. extend

Hack:

1. customize YSLOW.registerRuleset()

2. extend YSLOW.registerRule()

Spread:

* send a patch

* BYO

Thanks!

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