No more ActiveX or VBScript, which were the cause of several security vulnerabilities in previous versions of Internet Explorer. Instead of typing passwords, you can authenticate yourself on websites using Microsoft Passport (formerly known as Windows Live ID). The built-in SmartScreen feature performs a reputation check on websites you visit and blocks any that are flagged as phishing websites. That means it can't cause harm unless you explicitly give it permission to tamper with your system. Edge is a Windows App, so it runs within a sandbox environment. It's breaking new ground in some ways, but dropping the ball in other ways. Microsoft Edge: Edge is a mixed bag when it comes to security and privacy. As HTML5 features are added and changed, the test and scoring criteria are also changed. Rather, it measures how well a particular browser supports the entire HTML5 standard. The HTML5 Test isn't exactly a performance benchmark. But Firefox and Edge are both lagging behind right now and have a lot of room to improve. Is that because they're both based on Chromium? Maybe. Perhaps you already expected this, but Chrome takes the lead here with Opera coming in second place. For example, how well does a browser handle Animated GIFs? How quickly does it read and write to localStorage? JavaScript isn't everything. RoboHornet is a good test because it incorporates many different factors that impact one's web browsing experience. The RoboHornet index is normalized to 100. 
RoboHornet isn't like other benchmarks because it encompasses all aspects of browser performance and everything that matters to web developers, like performance of layout and localStorage. According to Kraken, Chrome performs best, followed by Firefox, Opera, and lastly Edge. It's interesting to see how these results differ from the JetStream results above, even though both of these benchmarks test for JavaScript performance. Results are reported in milliseconds (lower is better). It uses a test harness based on the SunSpider benchmark. Kraken is a JavaScript performance benchmark created by Mozilla that measures the speed of several different test cases extracted from real-world applications and libraries. Anyone who has used all of these browsers probably would've guessed that order just from experience. I don't think this is much of a surprise. Most modern websites involve JavaScript in some form or another, so this has some big implications for page loading speeds.Ĭhrome, Firefox, and Opera were all in the same ballpark, with Chrome taking the lead among the three and Firefox coming in last. Surprisingly, Edge not only landed in first, but blew past the other browsers in terms of advanced JavaScript execution.
JetStream is a JavaScript benchmark suite focused on the most advanced web applications.
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