Microsoft Edge

EdgeEdge browserMEMicrosoft Edge browserMicrosoft's Edge browserMS Edge
Microsoft Edge is a web browser developed by Microsoft.wikipedia
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Microsoft

Microsoft CorporationMicrosoft Corp.MS
Microsoft Edge is a web browser developed by Microsoft.
Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers.

Internet Explorer

Microsoft Internet ExplorerIEMSIE
Unlike Internet Explorer, Edge does not support the legacy ActiveX and BHO technologies.
On March 17, 2015, Microsoft announced that Microsoft Edge would replace Internet Explorer as the default browser on its Windows 10 devices (while support for older Windows has since been announced, Edge still has lower share than IE's, that is in decline).

ActiveX

ActiveX controlActive XActiveX Development Kit
Unlike Internet Explorer, Edge does not support the legacy ActiveX and BHO technologies.
ActiveX is still supported as of Windows 10 through Internet Explorer 11, while ActiveX is not supported in their default web browser Microsoft Edge (which has a different, incompatible extension system) and will be compatible with the new Chromium-based Microsoft Edge using IE Mode.

EdgeHTML

(EdgeHTML based)Edge layout engineEdgeHTML layout engine
Originally built with Microsoft's own EdgeHTML and Chakra engines, in 2019 Edge was rebuilt as a Chromium-based browser, using the Blink and V8 engines.
EdgeHTML is a proprietary browser engine from Microsoft, originally used in the Edge web browser first introduced in Windows 10 released in 2014.

Chakra (JavaScript engine)

ChakraChakraCoreChakra Core
Originally built with Microsoft's own EdgeHTML and Chakra engines, in 2019 Edge was rebuilt as a Chromium-based browser, using the Blink and V8 engines.
Chakra is a JavaScript engine developed by Microsoft for its Microsoft Edge web browser.

Cortana

Microsoft CortanaMicrosoft's CortanaCortain
Edge includes integration with Cortana and has extensions hosted on the Microsoft Store.
Microsoft has integrated Cortana into numerous products such as Microsoft Edge, the browser bundled with Windows 10.

Browser Helper Object

BHOBrowser Helper ObjectsBrowser Helper Objects (BHOs)
Unlike Internet Explorer, Edge does not support the legacy ActiveX and BHO technologies.
BHOs are still supported as of Windows 10, through Internet Explorer 11, while BHOs are not supported in the default web browser Microsoft Edge.

Trident (software)

TridentTrident layout engineMSHTML
Microsoft initially announced that Edge would support the legacy Trident (MSHTML) layout engine for backwards compatibility, but later said that, due to "strong feedback", Edge would use a new engine, while Internet Explorer would continue to provide the legacy engine.
In the Microsoft Edge browser, Trident was superseded by its fork, EdgeHTML.

Internet Explorer 11

1111.0Internet Explorer
Microsoft Edge is the default web browser on Windows 10, Windows 10 Mobile, and Xbox One consoles, replacing Internet Explorer 11 and Internet Explorer Mobile.
The browser was also shipped with Windows 10 on its release on July 29, 2015, but Microsoft Edge is the default browser in this version of Windows.

Adobe Flash Player

Flash PlayerFlashXMLSocket
The browser includes an integrated Adobe Flash Player (with an internal whitelist allowing Flash applets on Facebook websites to load automatically, bypassing all other security controls requiring user activation) and a PDF reader.
Google Chrome, Internet Explorer 11 in Windows 8 and later, and Microsoft Edge come bundled with a sandboxed Adobe Flash plug-in.

Internet Explorer Mobile

Pocket Internet ExplorerMicrosoft Internet Explorer Mobile6.0
Microsoft Edge is the default web browser on Windows 10, Windows 10 Mobile, and Xbox One consoles, replacing Internet Explorer 11 and Internet Explorer Mobile.
A new browser, Microsoft Edge replaced Internet Explorer Mobile in Windows 10 Mobile.

Browser extension

browser pluginextensionextensions
Edge includes integration with Cortana and has extensions hosted on the Microsoft Store.
Microsoft Edge added extension support in 2016.

Windows 10 Mobile

Windows Phone AppWindows 10Mobile
Microsoft Edge is the default web browser on Windows 10, Windows 10 Mobile, and Xbox One consoles, replacing Internet Explorer 11 and Internet Explorer Mobile.
Microsoft referred to the OS as "Windows 10 for phones and small tablets" during its unveiling, leaked screenshots from a Technical Preview build identified the operating system as "Windows 10 Mobile" the technical preview was officially called the "Windows 10 Technical Preview for phones", while the user agent of Microsoft Edge contained a reference to "Windows Phone 10".

Acid2

Acid 2 test
As of 2019, Edge fails at both the Acid2 and Acid3 tests for web standards.
Its successor, Microsoft Edge, is able to render it correctly as of Windows 10 version 1607.

Firefox

Mozilla FirefoxFirefox browserSpread Firefox
Other benchmarks focusing on the performance of the WebGL API found EdgeHTML to perform much better than Google Chrome and Mozilla Firefox.
Add-ons are primarily coded using an HTML and JavaScript API known as WebExtensions, which is designed to be similar to the Google Chrome and Microsoft Edge extension systems.

Windows 10

10Windows HelloMicrosoft Windows 10
It was first released for Windows 10 and Xbox One in 2015, then for Android and iOS in 2017, and macOS in 2019.
Windows 10 also introduced the Microsoft Edge web browser, a virtual desktop system, a window and desktop management feature called Task View, support for fingerprint and face recognition login, new security features for enterprise environments, and DirectX 12.

Chromium (web browser)

ChromiumChromium web browser(Chromium based)
Originally built with Microsoft's own EdgeHTML and Chakra engines, in 2019 Edge was rebuilt as a Chromium-based browser, using the Blink and V8 engines.

WebGL

WebGL APIWeb GLWebGL 2
Other benchmarks focusing on the performance of the WebGL API found EdgeHTML to perform much better than Google Chrome and Mozilla Firefox.

Browser engine

layout enginerendering engineweb browser engine
Originally built with Microsoft's own EdgeHTML and Chakra engines, in 2019 Edge was rebuilt as a Chromium-based browser, using the Blink and V8 engines.
Microsoft formerly developed its own proprietary browser engines, Trident and EdgeHTML, but now uses Blink for its Edge browser.

VP9

VP10VP9 hardware implementations
VP9 support was added to Microsoft's web browser Edge.

Opus (audio format)

OpusOpus audio format.opus
Edge originally lacked support for open media standards such as WebM and Opus, but these were later added in Edge 14.14291.
Although Internet Explorer will not provide Opus playback natively, support for the format is built into the Edge browser, along with VP9, for full WebM support.

Progressive web application

Progressive Web Appsprogressive web applicationsProgressive web app
As of April 2018, those features are supported to varying degrees by the Microsoft Edge, Google Chrome, Mozilla Firefox and Apple Safari browsers, but more browsers may support the features needed in the future.

HTML5test

, Edge 17 had scored 492/555 on HTML5test, whereas Firefox 59 scored 491/555, Firefox 69 scored 513/555 and Chrome 66 scored 528/555.
As of August 2019, Google Chrome scores 535, Opera 45 scores 518, Mozilla Firefox 68 scores 513, Microsoft Edge 18 scores 492 and Internet Explorer 11 scores 312.

WebAssembly

WASM
WebAssembly was first announced in 2015, and the first demonstration was executing Unity's Angry Bots in Firefox, Google Chrome, and Microsoft Edge.