IE9 Platform Preview 7 Claims Fastest Browser Speeds

REDMOND, Wash. — Internet Explorer 9 executives said the recently released seventh platform preview will outperform all other browsers in JavaScript speed.

Platform preview releases are separate from the IE9 Beta, which is intended for public consumption.

The previews are released so that developers can test their code and offer feedback on the upcoming software's underlying engine.

Microsoft launched the first platform preview last March at its MIX10 Web developer conference. The public beta is not being updated with the new JavaScript engine just yet since its larger audience requires a higher level of stability, refinement, and testing.

“IE9 is now at the top spot in JavaScript performance,” said Ryan Gavin, senior director of Internet Explorer.

Gavin said in the year that the Chakra JavaScript engine used by IE9 was first demonstrated, its performance has improved 310 percent.

"The significance of this release is really a by-product of our focus on all-around site performance, making the coding patterns that real-world developers are using in the wild for real-world sites faster," Gavin said.

"Our focus has been on hardware acceleration enabling rich performance of things like graphics, audio, video, and text through hardware acceleration using the power of the PC. With this seventh Platform Preview, we're coupling that with incredibly fast JavaScript."

Related:  

Copyright © 2025 Adnet Media. All Rights Reserved. XBIZ is a trademark of Adnet Media.
Reproduction in whole or in part in any form or medium without express written permission is prohibited.

More News

UPDATED: Supreme Court Rules Against Adult Industry in Pivotal Texas AV Case

The U.S. Supreme Court on Friday issued its decision in Free Speech Coalition v. Paxton, striking a blow against the online adult industry by ruling in support of Texas’ controversial age verification law, HB 1181.

North Carolina Passes Extreme Bill Targeting Adult Sites

The North Carolina state legislature this week ratified a bill that would impose new regulations that industry observers have warned could push adult websites and platforms to ban most adult creators and content.

Supreme Court Ruling Due Friday in FSC v. Paxton AV Case

The U.S. Supreme Court will rule on Friday in Free Speech Coalition v. Paxton, the adult industry trade association's challenge to Texas’ controversial age verification law, HB 1181.

Ofcom: More Porn Providers Commit to Age Assurance Measures

A number of adult content providers operating in the U.K. have confirmed that they plan to introduce age checks in compliance with the Online Safety Act by the July 25 deadline, according to U.K. media regulator Ofcom.

Aylo Says It Will Comply With UK Age Assurance Requirements

Tech and media company Aylo, which owns various adult properties including Pornhub, YouPorn and Redtube, plans to introduce age assurance methods in the United Kingdom that satisfy government rules under the Online Safety Act, the company has announced.

Kyrgyzstan Parliament Approves Measure Outlawing Internet Porn

The Supreme Council of Kyrgyzstan on Wednesday passed legislation outlawing online adult content in the country.

Trial Set for Lawsuit by U Wisconsin Professor Fired Over Adult Content

A trial date of June 22, 2026, has been set for the civil lawsuit filed by veteran communications professor Joe Gow against the University of Wisconsin board of regents, which fired him for creating and appearing in adult content.

New UK Task Force Meets to Target Adult Content

The architect of an influential report that recommended banning adult content deemed “degrading, violent and misogynistic” has convened an “Independent Pornography Review task force” aimed at translating that report’s findings into action in the U.K.

11:11 Creations Launches Affiliate Program

11:11 Creations principal Alicia Silver has launched 11:11 Cash for creators and affiliates.

Pineapple Support, Pornhub to Host 'Self Love' Support Group

Pineapple Support and Pornhub are hosting a free online support group for performers to develop self-love.

Show More