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Microsoft Edge Can Now Load Websites Faster After Migration to WebUI 2.0, Says Company

Microsoft Edge Can Now Load Websites Faster After Migration to WebUI 2.0, Says Company

Microsoft said performance improvements across more features will be rolled out in the coming months.

Written by Shaurya Tomer, Edited by Siddharth Suvarna | Updated: 8 July 2025 16:45 IST

Microsoft Edge Can Now Load Websites Faster After Migration to WebUI 2.0, Says Company

Photo Credit: Microsoft

The changes are reflected with the latest Microsoft Edge 137 update

Highlights

Microsoft Edge now achieves First Contentful Paint (FCP) under 300ms
Load times were reduced by an average of 40 percent, as per Microsoft
Improvements apply to Read Aloud, Split Screen, and more features

Microsoft Edge has reached a “major milestone” with regards to the responsiveness and quick loading time of the web browser's user interface, the company announced on Monday. The Redmond-based tech giant said its cumulative efforts have been underway since February 2025 and have helped it improve the loading speed of initial content, a key factor which “significantly” impacts user satisfaction. Consequently, users can now take advantage of a smoother web browsing experience with minimal delays.

A Faster Browsing Experience on Microsoft Edge

Microsoft detailed the updates to the Edge browser which have helped improve its content loading speed in a blog post. It is said to have achieved a global First Contentful Paint (FCP) below 300ms. Notably, FCP is a key measure of how quickly the various UI features in a web browser visually load. The tech giant noted that FCB higher than 300 to 400ms for the initial content harms the user satisfaction.

Thus, it had set a critical threshold which the browser managed to achieve, enabling users to engage with the content quicker.

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Microsoft embarked on this mission of improving different areas of the UI throughout the browser in February. Since then, it is claimed to have reduced load times by an average of 40 percent, along with better responsiveness in Settings, Read Aloud, Split Screen, Workspaces, and other browser features.

This has been made possible courtesy of the migration to WebUI 2.0. As per Microsoft, it is their markup-first architecture which reduces the size of code bundles and Javascript codes that run during the UI initialisation.

The company gives an example of the Settings page in Edge. Before migration to WebUI 2.0, it took the machine 0.394 seconds to load the page, whereas the time taken was reduced to 0.034 seconds post migration – an operation almost four times faster. Both demonstrations were recorded on a Surface Laptop 7 with a 12-core Snapdragon X CPU and 32GB of RAM, running Microsoft Edge 137 on Windows 11.

However, that is not the end of it. The tech giant says it is developing additional performance improvements across more features, such as Extensions and Print Preview, and these will be rolled out in the coming months.

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Further reading: Microsoft, Microsoft Edge, Microsoft Edge 137, Microsoft Edge Update, Web browser

Shaurya Tomer

Email Shaurya Tomer

Shaurya Tomer is a Sub Editor at Gadgets 360 with 2 years of experience across a diverse spectrum of topics. With a particular focus on smartphones, gadgets and the ever-evolving landscape of artificial intelligence (AI), he often likes to explore the industry's intricacies and innovations – whether dissecting the latest smartphone release or exploring the ethical implications of AI advancements. In his free time, he often embarks on impromptu road trips to unwind, recharge, and ...More