Yahoo! Search Contextual Caching

Yahoo! Search made an interesting bit of caching. To see it in action, go to the main search page with Firebug enabled, or any tool that lets you see network traffic. Then type any character into the search input box and you will see some traffic kick off to download items such as: http://us.js2.yimg.com/us.js.yimg.com/lib/s3/ysch_srp_clean_200711061918.csshttp://us.js2.yimg.com/us.yimg.com/i/us/sch/el/att_hdspr_1.6t.pnghttp://us.js2.yimg.com/us.js.yimg.com/lib/s3/ysch_srp_clean_200711051714.jshttp://us.js2.yimg.com/us.yimg.com/i/us/sch/gr2/sprt_srp_core_6.gifhttp://us.js2.yimg.com/us.yimg.com/i/us/sch/el/ng_bg.png What are these […]

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Yahoo! Search made an interesting bit of caching. To see it in action, go to the main search page with Firebug enabled, or any tool that lets you see network traffic. Then type any character into the search input box and you will see some traffic kick off to download items such as:

http://us.js2.yimg.com/us.js.yimg.com/lib/s3/ysch_srp_clean_200711061918.css
http://us.js2.yimg.com/us.yimg.com/i/us/sch/el/att_hdspr_1.6t.png
http://us.js2.yimg.com/us.js.yimg.com/lib/s3/ysch_srp_clean_200711051714.js
http://us.js2.yimg.com/us.yimg.com/i/us/sch/gr2/sprt_srp_core_6.gif
http://us.js2.yimg.com/us.yimg.com/i/us/sch/el/ng_bg.png

What are these files? They are artifacts for the results page. So, Yahoo! groks that you obviously are going to do a search once you start to type something in, so why not go ahead and preload the files that are needed as part of the results page?

Search, Yahoo!, Yahoo Search, Contextual, Cache[ /tags]

Source:→ ajaxian

About The Author

Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he's engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.