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How can you make your HTML5 code as fast as native? Apple provides great tools to help developers optimize native apps because there are times when native needs to be tuned. Maybe HTML5 can be good enough for some apps, but if you're competing to win, I'd suggest that you offer the very best app for each platform.

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Lots of fetch-stuff-from-the-network-and-show-it apps spend 99% of their time waiting on the network anyway; optimizing the last 1% isn't really worthwhile.

(Of course, this depends heavily on the app.)

> How can you make your HTML5 code as fast as native?

https://developers.google.com/native-client/

Native Client apps are no more HTML5 than Flash is HTML5.

The key thing is that FB when the HTML5 route because they wanted to side-step Apple's signing process. They wanted to roll out updates on the server that downloaded to them without redistributing the app.

HTML5 webviews helped them do this, and worked on both android and iOS.

NaCL would, like java applets vs java apps, or flash, have let them do this too.

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