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Loading In Less Than 300 Milliseconds: Microsoft Edge Claims To Have Set A 'New Standard For Speed'

Microsoft Edge

In the ever-evolving world of web browsing, speed and responsiveness are king. And if people thought Microsoft Edge was already fast, think again.

Microsoft has just made a significant leap forward in Edge's performance, promising a browsing experience that's smoother, quicker, and more delightful than ever before.

A key metric, First Contentful Paint (FCP), now consistently registers under 300 milliseconds globally.

In a blog post, Microsoft described this as "a major milestone."

First Contentful Paint (FCP) refers to a web performance metric that measures how long it takes for the very first piece of content from a webpage to become visible to the user.

In a more technical term, FCP refers to anything that's part of the Document Object Model (DOM) and is painted on the screen. This includes text, images (including background images), SVG elements, or non-white HTML canvas elements.

It specifically excludes things like changes to the background color of the page if no actual content is present yet.

In other words, it marks the first point in the page load timeline where the user can see anything on the screen, even if it's not the main content of the page.

The metric was first introduced by Google in its Chrome web browser in 2017, and according to Microsoft, "industry research shows that waiting longer than 300 to 400ms for the initial content can significantly impact user satisfaction."

By loading the first element of a website users' visit in less than 300 milliseconds means that Edge can deliver a more pleasing browsing experience.

"By meeting this critical threshold, we ensure that the most used browser features appear almost instantly, letting you engage with the content sooner," said Microsoft.

Browsing satisfaction is based on the fact that FCP is considered a "user-centric" metric because it directly relates to the user's perception of load speed.

When a user navigates to a webpage, seeing something appear quickly, even if it's just a header or a logo, provides immediate feedback that the page is loading and not broken. A blank screen for an extended period can lead to frustration and a high bounce rate.

And because FCP essentially measures the "first impression" of a website's loading performance, a fast FCP reassures the user that "something is happening" and the page is on its way.

"With Microsoft Edge, you get a smooth, enjoyable online experience with minimal delays, faster access to content, and a real sense of instant responsiveness," the company added.

Before this, in another blog post, Microsoft explained that it has optimizations to Edge's own browser, which led to an average 40% reduction in load times across 13 core browser features.

This includes faster access to settings, quicker initialization of "read aloud" functionality, more fluid split-screen multitasking, and improved responsiveness in Workspaces.

These gains are largely attributed to the ongoing migration to the WebUI 2.0 architecture, which streamlines code bundles and minimizes JavaScript execution during startup. In some instances, such as the Settings UI, this architectural shift has resulted in a four-fold increase in rendering speed.

While these updates represent a significant step forward, Microsoft has indicated that further enhancements are planned.

Upcoming improvements are expected for features like Print Preview and Extensions, suggesting a continued commitment to refining the browser's performance. These developments position Microsoft Edge as a more efficient and responsive browsing option for users.

Published: 
07/07/2025