The W3C (World Wide Web Consortium) is the international standards body that develops open, royalty-free technical standards for the web.
A WAF, or web application firewall, inspects HTTP traffic to block attacks such as SQL injection and XSS before they reach a…
A wake word is the spoken phrase that a voice assistant detects on the device to start listening and send the following…
A wallet drainer is malicious code on a phishing site that tricks a crypto user into signing approvals or transfers that empty…
A WAN, or wide area network, connects LANs across cities, countries or continents using carrier circuits, private lines or Internet links.
Watch time is the total time viewers spend watching a creator's videos, a core audience growth metric that platforms use to rank…
WAV is a RIFF-based audio file format that usually stores uncompressed PCM samples, making it a standard for recording, editing and exchange…
A waveform monitor in color grading is a scope that plots the brightness of every pixel against its horizontal position to measure…
Wavelength in acoustics is the distance a sound wave travels during one cycle, equal to the speed of sound divided by frequency,…
Wayland is the display protocol used by modern Linux desktop environments, in which the compositor itself manages windows, input and screen output.
WCAG, the Web Content Accessibility Guidelines, is the W3C standard of testable success criteria for making digital design usable by people with…
A web crawler is an automated program that discovers and fetches web pages by following links, supplying search engines with the content…
Web hosting is the service of providing server resources, connectivity and management so that a website or web application is reachable online.
Web push lets a server send messages to a browser through a push service, so a site can show notifications even when…
A web server is software that accepts HTTP requests from browsers and other clients and returns web pages, files or responses from…
Web tracking is the collection and linking of data about a person's browsing activity across pages, sessions and websites to measure or…
A web worker is a browser JavaScript thread that runs scripts in the background, keeping heavy computation off the main thread and…
A webcam is a computer peripheral camera that captures and streams live video over USB or an internal bus for calls, streaming…
WebGL is a browser JavaScript API, based on OpenGL ES, that renders hardware-accelerated 2D and 3D graphics inside an HTML canvas element.
WebGPU is a browser API that gives web pages modern, low-overhead access to the GPU for both 3D rendering and general-purpose compute…
A webhook is an HTTP callback in which one system sends an automatic request to another system's URL as soon as a…
A webhook signature is a cryptographic value attached to a webhook request that proves which system sent it and that its payload…
A webinar is a live or recorded online presentation that educates a registered audience and generates leads as part of a content…
WebKit is the open-source browser engine behind Safari that parses HTML and CSS, runs JavaScript and renders web pages on Apple platforms…
Webots is an open-source desktop robot simulator that models robots, sensors and environments in 3D so controllers can be developed and tested…
WebRTC is the set of Web APIs and protocols that lets browsers exchange real-time audio, video and data directly between peers with…
WebSocket is a web protocol and browser API that keeps one TCP connection open so client and server can exchange messages in…
WebXR is the web standard that lets browsers run virtual and augmented reality experiences on XR headsets and phones using JavaScript, with…
Wet plate collodion is the 1851 photographic process in which a glass plate is coated, sensitized, exposed and developed while the collodion…
White balance in photography is the correction that neutralizes the color of the light source so that neutral objects are rendered without…
Whitelisting in creator partnerships gives a brand permission to run paid ads through a creator's social account, using the creator's name and…
Whitespace is the empty space between and around elements in a layout, used in design to group content, guide attention and improve…
WHOIS is the query protocol and directory service that returns registration data for domain names, such as registrar, dates, status and nameservers.
Wi-Fi 6 is the Wi-Fi Alliance name for IEEE 802.11ax, a wireless LAN generation built for efficiency in crowded networks through OFDMA…
Wi-Fi 6E extends the 802.11ax Wi-Fi standard into the 6 GHz band, adding wide, uncongested channels reserved for modern devices.
Wi-Fi 7 is the IEEE 802.11be wireless standard, adding 320 MHz channels, 4096-QAM and multi-link operation for faster, steadier Wi-Fi connections.
Wi-Fi calling lets a phone make and receive operator calls and texts over any Wi-Fi connection, using the same number and the…
A wide shot is a cinematography framing that shows a subject in full within its surroundings, establishing location, scale and spatial relationships.
Wildlife photography is the practice of photographing wild animals in natural habitats using long lenses, fast shutter speeds and fieldcraft.
A window function in SQL computes a value for each row from a related set of rows, such as running totals or…
A window manager is the desktop software that places, sizes, stacks, decorates and focuses application windows on a graphical screen.
Windows is Microsoft's family of operating systems whose integrated graphical shell and compositor form the dominant desktop environment on personal computers.
Windows 10 is the Microsoft desktop operating system released in 2015 that introduced Windows as a service and reached end of support…
Windows 11 is the Microsoft desktop operating system released in 2021, built on Windows NT with stricter hardware security requirements and annual…
Windows NT is the Microsoft operating system architecture, first released in 1993, on which every current version of Windows, including Windows 11,…
The Windows registry is the hierarchical database in which Windows, drivers and applications store configuration settings for the system and each user.
Windows Terminal is the Microsoft terminal application that hosts PowerShell, Command Prompt, WSL and SSH sessions in tabs and panes with modern…
Windows Update is the built-in Microsoft service that downloads and installs security fixes, quality updates, feature updates and drivers for Windows.
A wireframe in UI design is a low-detail layout of a screen that fixes structure, content priority and interaction flow before any…
WireGuard is a lean VPN protocol that builds encrypted UDP tunnels between peers identified by public keys, using one fixed set of…