The recently released ECMAScript 262 5.1 fixes bugs in the previous major version 5.0, and is accompanied by Test 262, an online JavaScript compatibility test suite.

Trying to improve more than just a browser's JavaScript program speed, Google lets fly with a new browser benchmark. It wants others to help improve the test, but Microsoft's IE team derides it.

Karma Karma is a test runner for JavaScript that enables execution of code in multiple browsers. All the major browsers, including mobile browsers, are supported.

Microsoft today launched BrowserSwarm, an open source tool to help Web developers automate testing of their JavaScript frameworks and libraries across devices and browsers. To take advantage, all ...

The BIG browser benchmark -- where the leading browsers are pitted against five of the toughest benchmark tests -- which browser will be triumphant?

Google has released a new set of JavaScript stress tests designed to push your browser's limits. Perhaps not surprisingly the company's own Chrome web browser takes top honors in the new suite.

Test 2: JavaScript & CSS—Tie: Firefox & Chrome! JavaScript continues to grow in importance as a browser benchmark, because it's the backbone of no-reload interfaces like Gmail, Facebook, and ...

Finnish-based benchmark development company, Futuremark, has just unveiled an online-based benchmarking tool for measuring the performance of Web browsers, and so far results are showing that ...

Maciej Stachowiak of the WebKit team has announced that the browser engine behind Safari is the first to fully pass the Acid3 test, including the test's condition of smooth animation rendering.

Test 2: JavaScript—Winner: Google Chrome! Not much new to report here, except that Chrome 4.0 shows gains in JavaScript speed over its stable release.