Announcing JetStream 1.1

Announcing JetStream 1.1

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.

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Introduction to WebKit Content Blockers

Introduction to WebKit Content Blockers

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

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Introducing the JetStream Benchmark Suite

Introducing the JetStream Benchmark Suite

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

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Speedometer:
Benchmark for Web App Responsiveness

Speedometer:
Benchmark for Web App Responsiveness

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

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Introducing the WebKit FTL JIT

Introducing the WebKit FTL JIT

Designed to bring aggressive C-like optimizations to the largest variety of JavaScript programs.

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Overview of WebKit’s CSS JIT Compiler

Overview of WebKit’s CSS JIT Compiler

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

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Unusual Speed Boost:
Binary Size Matters

Unusual Speed Boost:
Binary Size Matters

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.

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Announcing SunSpider 1.0

Announcing SunSpider 1.0

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

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On spinlocks and sleep()

On spinlocks and sleep()

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

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Announcing SunSpider 0.9.1

Announcing SunSpider 0.9.1

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

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CSS Masks

CSS Masks

WebKit now supports alpha masks in CSS.

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Optimizing Page Loading in the Web Browser

Optimizing Page Loading in the Web Browser

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

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