JetStream 1.1 fixes bugs in two existing tests and adds a new test to replace the oldest and smallest test in the latency component.

Describing content blocking rules in a structured format ahead-of-time, rather than running extension-provided code.

A new JavaScript benchmark test suite that codifies what our de facto process has been — to combine latency and throughput benchmarks.

We are pleased to announce Speedometer, a new benchmark that measures the responsiveness of web applications.

Making CSS faster and more scalable is an area of research in the WebKit project.

One of my concerns last year was that while WebKit was getting faster on common benchmarks, some operations were getting slower as a byproduct of new features and optimizations.

The popular SunSpider JavaScript benchmark suite was originally released by the WebKit team over five years ago, in December 2007.

Yes, we really did achieve a 3.7X speedup on a garbage collection benchmark by removing a call to sleep().

Today we’d like to announce SunSpider 0.9.1, a new version of the popular SunSpider JavaScript benchmark that improves accuracy of results.

WebKit now supports alpha masks in CSS.

It is well understood that page loading speed in a web browser is limited by the available connection bandwidth.