Internet Explorer
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| Internet Explorer | |
|---|---|
 | |
| Name | Internet Explorer |
| Developer | Microsoft |
| Released | 1995 |
| Latest release | 11 |
| Written in | C++ |
| Operating system | Microsoft Windows |
| Genre | Web browser |
Internet Explorer was a proprietary web browser developed by Microsoft for Microsoft Windows. Launched during the mid-1990s browser wars, it competed with products from Netscape, Mozilla, Google, and Apple while shaping web standards, corporate deployment, and digital policy debates. Its integration with Windows, workplace adoption, and legal controversies influenced antitrust proceedings, web ecosystem transitions, and successor browser strategies.
History
Microsoft introduced the browser in 1995 during a period featuring companies such as Netscape Communications Corporation, AOL, Sun Microsystems, IBM, and Intel. Early development drew on technology from Spyglass, Inc. and encountered direct competition from Netscape Navigator and later Opera Software. The integration strategy prompted scrutiny from regulators including the United States Department of Justice, the European Commission, and the United Kingdom Office of Fair Trading. Litigation and remedies influenced products from RealNetworks, Yahoo!, Oracle Corporation, and enterprise deployments involving Dell, HP, and Cisco Systems. Major milestones included the release tied to Windows 95 and subsequent bundling with Windows 98, Windows XP, Windows Vista, and Windows 7. The browser’s decline corresponded with the rise of Mozilla Firefox, Google Chrome, and mobile platforms led by Apple and Google.
Features and technology
The browser implemented rendering and scripting engines evolved across versions, notably the Trident engine and later integration approaches that influenced other projects such as WebKit and Blink. It supported technologies promoted by standards bodies including the World Wide Web Consortium, Ecma International, and implemented features used in websites by organizations like Facebook, Amazon (company), eBay, and Microsoft Azure. Enterprise features included Active Directory integration, Group Policy (Windows) controls, and management via System Center Configuration Manager. Multimedia and plugin support involved formats and projects such as Adobe Flash Player, Java Platform, Standard Edition, Silverlight, QuickTime, and Windows Media Player. Accessibility and internationalization work involved partnerships with organizations such as W3C Internationalization (i18n) Activity and standards like HTML 4.01, CSS2, DOM Level 2, and ECMAScript.
Market share and reception
At its peak the browser held dominant usage share alongside Microsoft Windows XP desktop prevalence and corporate procurement by firms like Accenture, IBM Global Services, Ernst & Young, and governments including United States federal government agencies. Reception varied: some technology journalists at Wired (magazine), The New York Times, and The Guardian (London) criticized performance and standards compliance compared with Mozilla Firefox and Google Chrome. Analysts from firms such as Gartner, Forrester Research, and IDC tracked declines as competitors from Apple Safari, Opera Software, and mobile browsers on Android (operating system) eroded share. Enterprise administrators using systems from VMware, Citrix Systems, and Microsoft System Center often continued support due to legacy web applications.
Security and vulnerabilities
The browser’s security record prompted advisories from organizations including CERT Coordination Center, US-CERT, Microsoft Security Response Center, and coordination with vendors such as Kaspersky Lab, Symantec, Trend Micro, and McAfee. Notable incidents involved exploits disclosed by researchers at Google Project Zero, FireEye, Mandiant, and independent researchers associated with Black Hat (conference) and DEF CON. Vulnerabilities often affected ActiveX, plugin APIs, and components tied to Windows Script Host. Responses included patches distributed via Windows Update and emergency advisories coordinated with stakeholders like SANS Institute and national CERTs in United Kingdom, Australia, and Germany.
Compatibility and legacy support
Many corporate intranets and web-based applications built with technologies from Microsoft Office, SharePoint, Exchange Server, and Dynamics depended on specific browser behaviors, encouraging compatibility modes and emulation. Standards divergence led to interoperability work with projects such as Dojo Toolkit, jQuery, ASP.NET, PHP, and Apache HTTP Server. Legacy support pressures influenced virtualization and transition strategies using Internet Explorer Mode, Microsoft Edge, Windows Server, and compatibility shims in environments managed by Active Directory Federation Services and Group Policy. Migration paths referenced developer resources from Stack Overflow, GitHub, MDN Web Docs, and enterprise guidance from Microsoft Learn and consulting firms such as Accenture.
Versions and release history
Major releases were aligned with Windows releases and service packs; notable numbered versions included IE 3, IE 4, IE 5, IE 6, IE 7, IE 8, IE 9, IE 10, and IE 11. Each version intersected with contemporaneous products and events: IE 4 era debates involved Netscape Communications Corporation and United States v. Microsoft Corp., IE 6 coincided with Windows XP longevity, IE 7 emerged alongside Windows Vista security initiatives, and IE 9/10/11 integrated advances related to HTML5 and CSS3 adoption promoted at conferences like SXSW and Web 2.0 Summit. Community and industry response drew input from standards bodies including the W3C, browser vendors like Mozilla Corporation, Google, Apple Inc., and projects such as Chromium and WebKit.