Internet

Web color: formats, standards, history, and practical use Web color Overview of colors used on the web: models and formats (hex, RGB, HSL, named colors), sRGB standard, history (X11, Mosaic, Netscape), color management, and common applications.

Web crawler (web spider) Web crawler An automated program that systematically fetches and analyzes web pages to discover links and build searchable indexes. Covers how crawlers work, key components, history, uses, and…

Web design: principles, history, tools, and practices Web design An accessible overview of web design covering its purpose, core components, historical development, workflows, accessibility and SEO considerations, and how it differs from related…

Web directory: purpose, structure, history and modern relevance Web directory A web directory is a curated list of websites organized by categories. This article explains how directories work, their structure, history, uses, and how they differ from search e…

Web feed A web feed is a machine-readable XML document (commonly RSS or Atom) that delivers a sequence of content items for syndication, subscription, aggregation, and automated exchange be…

Web hosting service: overview, types, history and uses Web hosting service A web hosting service supplies server space, bandwidth and tools to make websites accessible on the World Wide Web. Explains common hosting types, technical components, history, ty…

Web portal A web portal is a website that aggregates content, services and tools to provide a unified entry point for users—public or private—with personalization, search and navigational fea…

Web services: concepts, architectures, and practical uses Web services Overview of web services: definition, architecture, common styles (SOAP, REST), history, typical uses, design considerations and security concerns for interoperable networked softw…

WebCite: an on-demand web archiving service for citations and preservation WebCite WebCite is a free, on-demand web archiving service used to capture and preserve web pages and associated files for scholarly citations, legal proof, and long-term access.

Webcomic A webcomic is a comic published primarily on the Internet. This article covers common formats, history, creative approaches, distribution, and ways creators support their work.

Webmail: Web-based email services, history, features, and uses Webmail Webmail is email accessed through a web browser. This article explains how webmail works, its history, typical features, advantages and limitations, and distinctions from desktop e…

Webpage: structure, history, and common uses on the web Webpage An accessible overview of webpages: what they are, how they are built, their history, typical uses, and differences between static and dynamic pages.

Website A website is a collection of interconnected web pages delivered from web servers and viewed in browsers on computers and mobile devices; this article explains structure, history, t…

Welsh Wikipedia (Wicipedia Cymraeg) Welsh Wikipedia The Welsh-language edition of Wikipedia, launched in 2003; a volunteer-maintained online encyclopedia supporting Welsh language content, education and cultural preservation.

West Frisian Wikipedia (Frysktalige Wikipedy) West Frisian Wikipedia The West Frisian-language edition of Wikipedia maintained by volunteers to document knowledge in West Frisian, promote regional culture and education, and support language preserva…

WhatsApp — overview, features, history and uses WhatsApp WhatsApp is a mobile-first, cross-platform messaging and voice service owned by Meta, offering text, voice and video calls, media sharing, group chats, end-to-end encryption, and b…

Whitelist: definition, uses, differences from blacklist, and best practices Whitelist A whitelist is an approved list of entities granted access or privileges. This article explains types, uses in computing and policy, advantages and limits, and how it compares with…

Wi‑Fi (wireless local area networking) Wi-Fi Wi‑Fi is a family of wireless local area network technologies based on the IEEE 802.11 standards, used worldwide to connect devices to local networks and the Internet without cable…

Wiki: collaborative websites — history, structure, and uses Wiki A wiki is a collaboratively editable website. This article covers how wikis work, their history, software, governance, common uses and examples, and practical considerations for co…

Wiki farm: hosted platforms for creating multiple wikis Wiki farm A wiki farm is a hosting service that makes it easy to create and run multiple wiki sites. It provides software, accounts, storage, and administration tools for communities, teachi…

wikiHow: collaborative how-to knowledge base wikiHow wikiHow is a collaboratively edited how-to website that publishes step-by-step guides across many topics. It combines user contributions, staff editors, illustrations and a mission…

Wikimapia: collaborative georeferenced map encyclopedia Wikimapia Wikimapia is a user-edited, georeferenced online encyclopedia that overlays community-contributed place descriptions on an interactive map, combining satellite imagery with wiki-st…

Wikipedia: the free, collaboratively edited online encyclopedia Wikipedia Overview of Wikipedia: its purpose, structure, history, governance, languages, licensing, reliability, and how to use or contribute to the project.

Wikitravel: a collaborative, open-content travel guide Wikitravel Wikitravel is a volunteer-edited, free travel guide that collects practical information for travellers worldwide using wiki software and an open-content license.

Wikivoyage — Free, Community-Written Travel Guide Wikivoyage Wikivoyage is a volunteer-built, free travel and tourism guide hosted by the Wikimedia Foundation, offering destination articles, practical planning sections, and editable content…

Windows Live — Microsoft's former suite of consumer online services Windows Live Windows Live was Microsoft’s branded collection of consumer online services and client software, introduced to unify web services with the Windows experience and later reorganized…

Windows Server 2008: overview, features, editions, history and legacy Windows Server 2008 Windows Server 2008, codenamed Longhorn, is a Microsoft server operating system that introduced Server Core, Hyper-V and other management and security improvements; later succeeded…

Wine (software): Windows compatibility layer for Unix-like systems Wine (software) Wine is an open-source compatibility layer that enables many Microsoft Windows applications to run on Unix-like systems without emulation. It includes Winelib and is distributed un…

Wireless Application Protocol (WAP) Wireless Application Protocol Overview of the Wireless Application Protocol: purpose, architecture, history, common components (WML, WAP gateway), uses and why it was superseded by modern mobile web standards.

Wireless LAN (WLAN): Overview, Technology, Standards, and Uses Wireless LAN A concise guide to Wireless Local Area Networks (WLANs): how they work, main components and standards (IEEE 802.11), common uses, security considerations and deployment types.

Wireless router Device that connects local devices to a network and Internet using Wi‑Fi and wired ports; combines routing, switching, radio transceiver and security functions for homes and small…

World Wide Web The World Wide Web is a system of interlinked documents and resources accessed via the Internet using web browsers, built on HTML, URLs and HTTP; it transformed communication, medi…

WorldCat: the global union catalog of library collections WorldCat WorldCat is a cooperative, library-maintained union catalog listing bibliographic records and holdings in tens of thousands of libraries worldwide; used for discovery, cataloging,…

WWE Network (streaming service) WWE Network Subscription streaming service from WWE offering live premium events, an on-demand archive of matches and original programming. Launched using BAMTech infrastructure and later inte…

WYSIWYM — What You See Is What You Mean WYSIWYM WYSIWYM is an authoring approach that separates content meaning from presentation, letting authors express structure and semantics for multi-format publishing, accessibility, and r…

Xbox Live — Microsoft's online gaming and social service Xbox Live Xbox Live is Microsoft's subscription-based online service for Xbox consoles, providing multiplayer, social features, digital storefronts, and cloud services across multiple genera…

Xbox Live Marketplace Digital storefront for Xbox 360 users offering games, add‑ons, media and apps; evolved from the Xbox Live ecosystem and later integrated into the Xbox Store.

XHTML: the XML-based reformulation of HTML XHTML XHTML is a stricter, XML-conforming reformulation of HTML that enforces well-formedness, lowercase elements, quoted attributes and self-closing empty elements; used to improve cons…

XML — The Extensible Markup Language XML XML (Extensible Markup Language) is a plain-text, structured format for representing hierarchical data and documents. It separates content from presentation and supports validation…

Yabasic — a compact interpreter for a simple BASIC dialect Yabasic Yabasic (Yet Another BASIC) is a lightweight interpreter for a small, classical BASIC dialect, designed for simple scripting, education and legacy-style programs. It is compact and…

Yahoo! — overview, services, history and contemporary role Yahoo! Yahoo! is a long‑standing web portal and internet content provider offering search, mail, news, finance and other services, known for its role in early web navigation and ad‑based…

Yahoo! Search A web search service and portal by Yahoo! that evolved from a human-curated directory into a full search platform; notable for early partnerships with other index providers and a l…

Yandex — Russian internet company and technology platform Yandex Yandex is a Russian multinational technology company best known for its search engine and a suite of internet services including maps, mail, cloud, advertising and ride-hailing.

Yiddish Wikipedia The Yiddish-language edition of Wikipedia, founded in 2004, providing encyclopedia articles in Yiddish using Hebrew script and serving as an online resource for Yiddish language an…

YouTube: overview, history, features, creators, and impact YouTube YouTube is a global video-sharing platform founded in 2005. This article covers its purpose, core features, development, creator ecosystem, common uses, and notable policy issues.