Faster page load times: When a user visits a website for the first time, their browser needs to download all of the resources that make up the page, such as HTML, CSS, JavaScript, and images.

Optimize HTML, CSS, and JavaScript to remove unnecessary elements, comments, ... their browsers can load parts of the site from their cache instead of making additional HTTP requests to the server.

The async attribute signals to the browser to load JavaScript asynchronously, and fetch the script when resources become available (as opposed to pausing HTML parsing).

Build and style static webpages with semantic HTML and CSS; Implement best practices and standards when structuring HTML files using nested elements, indentation, comments, and line breaks; Implement ...

To show off what EdgeHTML can do, Microsoft has built a browser using predominantly JavaScript, HTML, and CSS. Next, the company released the app on the Windows Store and the sample code on GitHub .