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All articles starting with W

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Web cache

A web cache, also called an HTTP cache, stores web responses between clients and servers so repeat requests are served faster, in browsers, proxies, and CDNs.

Web cache poisoning

Web cache poisoning is an attack that tricks a web cache into storing a harmful response generated by the origin server and serving it to other users.

Web colors

Web colors are the colors that can be specified for display on the web, now defined by the CSS Color Module through hex notation, functions, and named keywords.

Web conferencing

Web conferencing, also called online or Internet conferencing, is real-time online meetings through a browser or client app, sharing audio, video, screens, chat, and documents.

Web construction behavior in spiders

Web construction behavior in spiders is how spiders build, adjust, and pay for webs: orb-weavers build in phases, rebuild nightly, and recycle old silk with 92 to 96% efficiency.

Web Content Accessibility Guidelines

The Web Content Accessibility Guidelines (WCAG) are W3C standards for making web content accessible to people with disabilities, published since 1999 and graded at conformance levels A, AA, and AAA.

Web content management system

A web content management system (WCMS) is software for creating, managing, storing, and deploying website content without writing code, in traditional or headless architectures; WordPress leads the market.

Web crawler

A web crawler, also called a search engine spider, is an automated program that browses the web by following links, building the indexes behind search engines.

Web Cryptography API

The Web Cryptography API is a W3C standard JavaScript interface, recommended since 2017, that lets web applications perform encryption, hashing, and digital signatures through SubtleCrypto without exposing raw keys.

Web data exhaustion ('data wall') debate

The web data exhaustion debate, or "data wall", questions whether public human-written text can keep fueling large language model pretraining, with projected exhaustion around 2028.

Web design

Web design, also called website design, is the practice of planning the visual layout, structure, and user-facing behavior of websites, guided by standards from the W3C.

Web directory

A web directory is a categorized collection of websites built by human editors rather than crawlers; Yahoo Directory and DMOZ led the field until their closures in 2014 and 2017.

Web feed

A web feed is a document of text, links, and images published at a stable URL so readers can collect updates from many sites in one place.

Web fiction

Web fiction: fiction published primarily online, spanning hypertext fiction, English web serials, and commercial Chinese, Korean, and Japanese web novels serialized chapter by chapter on platforms like Qidian, WebNovel, Wattpad, and Royal Road.

Web framework

A web framework, also known as a web application framework, is software that makes it easier to write and scale web applications by supplying tools for routing, databases, sessions, and security.

Web hosting service

A web hosting service stores website files, applications, and data on physical or virtual servers so sites are reachable online; types include shared, VPS, dedicated, and cloud hosting.

Web mapping

Web mapping: delivering and displaying maps over the web, from the PARC Map Viewer and the 1999 OGC WMS standard to slippy-map tiles, vector tiles, and OGC API - Tiles.

Web of Science

Web of Science, also known as Web of Knowledge, is a subscription citation database owned by Clarivate that indexes scholarly journals, books, and conference proceedings.

Web of trust

A web of trust is a decentralized trust model for public-key cryptography in which users vouch for key-to-identity bindings by signing them, without a central certificate authority.

Web Ontology Language

The Web Ontology Language (OWL) is a W3C-standardized Semantic Web language for representing rich knowledge in a form computer programs can reason over, first published in 2004.

Web page

A web page, also called a WWW page, is an HTML document fetched from a single address over HTTP, together with the resources it loads to render.

Web performance

Web performance, also called Web Performance Optimization or website performance, measures how quickly and smoothly web pages load and become interactive, objectively and as users perceive it.

Web portal

A web portal, also known as a portal site, is a web-based platform that aggregates content, services, and applications from multiple sources through a single personalized interface.

Web scraping

Web scraping, also known as web harvesting, is the automated extraction of data from web pages, typically by fetching HTML over HTTP and parsing it into structured records.

Web series

Web series: episodic scripted or unscripted video programs released first on the internet, from 1995's The Spot and The Guild to streaming originals; also called webisodes or web television.

Web server

A web server, also called an HTTP web server, is a computer or software that accepts HTTP requests and returns web content such as HTML documents and images.

Web server directory index

A web server directory index is the response a web server gives for a directory request: an index file like index.html, or a listing of contents.

Web Server Gateway Interface

The Web Server Gateway Interface (WSGI) is a standard interface connecting Python web applications and frameworks to web servers, defined in PEP 333 in 2003.

Web service

A web service is a software system for interoperable machine-to-machine interaction over a network, defined by the W3C in 2004, with SOAP-based and REST styles using standard Internet protocols.

Web Services Description Language

Web Services Description Language (WSDL) is an XML format, standardized by the W3C in 2001, that describes web services as a machine-readable contract of operations, messages, and endpoint addresses.