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Editorial Team
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Asked: 2026-05-13T16:36:04+00:00

We are going to be producing a RIA that will also be available using

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We are going to be producing a RIA that will also be available using Adobe AIR for database management and manipulation with a php back end.

In an effort to speed up development we have decided on using YUI or EXT JS.

It appears that EXT JS out of the box will produce a better looking application than YUI but being essentially 100% JS I can foresee the application being much slower on any computers that aren’t…say…up to date.

I am looking for any benchmarks comparing the two frameworks for UI & AJAX operations or any input about the speed of real world RIA applications using either framework.

Thanks for your help.

EDIT So is the general consensus that for a RIA where speed of use is a primary concern YUI is the better option? Or is it essentially, either will work?

EDIT EDIT We decided to go with YUI2 thanks for your help!

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1 Answer

  1. Editorial Team

    I’ve used YUI. It’s fast. The newest library is highly modularized, so you only load modules you need. Also you can refer libraries from publicly available hosting services provided by Yahoo; it offers CDN for free.

    I’ve worked with YUI data tables (data grids) with over 4,000 records and it still performed at an acceptable level.

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