Filtered By Tag: JavaScript

Note: Archived Content

This is the archived version of the Zoompf blog. Since our acquisition by Rigor, all our new research and posts on web performance are being published on The Rigor Blog

Apple’s Nitro JavaScript Engine Available To All Apps

Last weeks announcement that Safari would support SPDY wasn’t the only interesting piece of web performance news to come out of Apple’s WWDC 2014 event. Apple also announced that, with iOS 8, apps using the embedded web browser control, WKWebView, will gain full access to the powerful Nitro JavaScript engine. And this is a big […]

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Performance Implications of Opera’s Switch to WebKit

Opera recently announced that it was dropping its Presto layout engine and Carakan JavaScript engine and adopting WebKit and V8. Actually, Opera announced they were going to develop “[products] built using the open-source Chromium browser” of which WebKit and V8 are the most visible and well known components. This is a pretty amazing shift and […]

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html5shiv and Serving Content From Code Repositories

There are a lot of interesting findings that came out of my analysis of how the Alexa Top 1000 is using HTTP compression. One finding was that JavaScript is the most common type of content served without compression. I hypothesize that this is due to websites linking to all these 3rd party JavaScript libraries and […]

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Should You Use JavaScript Library CDNs?

The concept is simple. Hundreds of thousands of websites use JavaScript libraries like jQuery or Prototype. Different websites you visit each download another identical copy of these libraries. You probably have a few dozen copies of jQuery in your browser’s cache right now. That’s silly. We should fix that. How? Well, if there was a […]

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