Yahoo! Developer Network
Terence Yim
Technical Yahoo! - Team Lead
2nd June 2008

Yahoo! Developer Network - YDN
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! Web Services
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Application gallery
http://gallery.yahoo.com
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

There are so many APIs, now what?
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! Pipes
• Concepts from UNIX pipe operator “|”
– Any input, any processing, any output
• Infinite ways to combine and recombine data feeds
– Innovations without boundary
• Create and share your pipes
– RSS, Json, Serialize PHP, XML, Clone and edit
• Visual Pipes Editor
– No coding is needed for data manipulation
• Pipes Badge
– Simple and elegant integration
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! Pipes example
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Some Yahoo! Pipes functions
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! Pipes example
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Yahoo! Pipes example 2
Yahoo! HK news aggregator
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Yahoo! Pipes example 2
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Innovate with Pipes - Restrooms nearby
• Restaurants
• Gas stations
• Department
stores
• Bookstores
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More Yahoo! Web Services
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

TagMaps World Explorer
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Where to consume those Web
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey
• Open Yahoo! Search Result Page to all developers
• Developers can program and enhance SERP
– Enhanced results, more related information
– Better user experiences, easier to locate matches
– Program with secure subset of PHP
• Site owner to provide structured data format
– Moving towards semantic web
• Microformats, RDF, XML, Custom data extraction (XPath)
– Easier to be found and referenced
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey Builder
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey Applications
• Two types of presentation application
– Enhanced results
• Over-written original result
– Infobar
• Drop down box for more information
• Both triggered by URL pattern matching
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey Data Services
• Support five content delivery methods
– XML-Based Atom Feeds
• Feed through Yahoo! Site Explorer
– RDF markups
• Pickup by Search Crawler
– Microformats
• Pickup by Search Crawler
– OpenSearch
• Publish data to OpenSearch
– Custom Data Service
• Custom built, can be extracted from page contents
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! SearchMonkey provides a
good place for data consumption that
can benefits many users
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

The best is saved for last…
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Yahoo! User Interface Library - YUI
The treasure in YDN
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Why need a Library
• Development is about innovation and fun
– Without good library, you have to suffer
• Memory leaks
• Browsers’ “Standards”
• Different syntax
• Reuse good codes, keep innovating
– Don’t reinvent the wheel
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Why the YUI Library?
• They are good libraries in the market
– YUI is just one of them
• Good libraries all want to make your life
easier
• But … YUI library has some benefits
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library
• A development framework
– Javascript
– CSS
– Design Patterns
– Visual Widgets
• Well documented
– Full API documentation
– Over 275 examples
– 38 Cheat sheets
• BSD license
– Free to use
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library - Connection Manager
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library
Core
DOM Collection Event Utility
Utilities
Animation Cookie Connection Manager Datasource
Drag and Drop Element Get Utility History Manager ImageLoader
JSON Utility Resize Utility Selector Utility YUI Loader
Widgets
Auto-Complete Button Calendar Charts Color Picker
Container Data Table ImageCropper Layout Manager Menu
Rich Text Editor Slider Tab View Tree View Uploader
CSS tools
CSS reset CSS base CSS grids CSS fonts
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library Cheat Sheets
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library
• Developed, tested and used in Yahoo!
– One of the most visited network
• Industrial strength cross-browser library
– Hundreds of millions of Yahoo! users
– Billions of page views
• It is free!!
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

YUI Library Hosting
• Yahoo! also hosted the YUI Library
– Minified
– Gzipped
– Content delivery network (CDN)
• Save your own bandwidth
• Stable, well versioned and managed
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

It’s not the end yet…
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

More on YDN
• Exceptional Performance
– 14 rules for web performance tuning
– YSlow Firebug plugin
– Share knowledge on how Yahoo! tune our website
• YDN Theater
– Tech talks by industry experts
• YDN Blog
– Experts Tips, Latest activities
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

References
• Yahoo! Developer Network (YDN)
– http://developer.yahoo.com
• Yahoo! Pipes
– http://pipes.yahoo.com
• Search Monkey
– http://developer.search.yahoo.com
• YUI Library
– http://developer.yahoo.com/yui
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008

Thank You
Yahoo! Developer Network Asia Pacific Web Technology Conference 2008