Why mobile web apps are slow

Web technologies like HTML5 are the future of mobile application development, but there are also problems: many Mobile web apps are slow.

JavaScript performance is essential to many modern web apps. When Java applets failed, JavaScript became the language of the Web. One big reason for slowness of many mobile apps is that is that JS performance on ARM devices is absolutely abysmal. It is an order-of-magnitude away from x86-class JavaScript performance as you can see on the benchmark from Mobile web apps are slow article.

Why mobile web apps are slow blog post tries to bring some actual evidence to bear on the slowness problem. You’ll see benchmarks and there are over 100 citations in this blog post!

Besides having lots information blog posting had also this interesting picture:

JavaScript: The Good Parts book from the picture looked like something worth to check out. I can agree that most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined. The book writer Doug Crockford gave presentation JavaScript: The Good Parts at Google Tech Talks:


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