Bandwidth
A connection's capacity to transfer data over time. It differs from latency; a high-capacity link can still have slow response times.
Definition and sourcesKNOWLEDGE / FROM A TO Z
Glossary
Technology, explained clearly. Find a term, choose a letter or narrow the topic. Definitions include sources and their review date.
Terms 685 / 685
BCC email field
The blind-carbon-copy email field, labelled UDW in Polish. It limits recipient disclosure but neither encrypts messages nor replaces a proper bulk-email system.
Definition and sourcesBEdita
An API-oriented content management platform built with PHP and CakePHP. It separates content modelling from presentation.
Definition and sourcesBidding strategies
Rules setting advertising bids towards goals such as clicks or conversion value. Automated strategies require correct data and sensible cost limits.
Definition and sourcesBig data
Data whose scale, variety or arrival rate calls for suitable processing methods. A large table alone does not imply distributed infrastructure is necessary.
Definition and sourcesBIMI
A specification enabling brand indicators beside authenticated email. Support depends on the mailbox provider, DMARC policy and mark-verification requirements.
Definition and sourcesBinance
A platform providing cryptoasset trading services. Availability and service scope depend on location and terms. Holding assets on an exchange involves intermediary risk and differs from controlling your own wallet.
Definition and sourcesBing
Microsoft's web search engine. It has its own indexing and guidelines; Google visibility does not guarantee equivalent presence in Bing.
Definition and sourcesBing AI
A historical name associated with Microsoft's Bing Chat. In November 2023 it became Microsoft Copilot. It was not simply a Turing NLG product; capabilities depend on the service's current version.
Definition and sourcesBitcoin
A digital payment network and its BTC unit. Transactions are recorded on a blockchain using proof-of-work consensus. The project was described under the name Satoshi Nakamoto; the network launched in 2009.
Definition and sourcesBitmap
An image formed from a grid of pixels. Enlarging beyond its resolution can reveal pixels; file format and compression are separate properties.
Definition and sourcesBlack-hat SEO
SEO practices violating search-engine policies, such as manipulative links or cloaking. They can lead to ignored signals, reduced visibility or removal from results.
Definition and sourcesBlazor
A framework for web interfaces using .NET components. It supports different rendering models, including server-based or WebAssembly interactivity.
Definition and sourcesBlockchain
A ledger whose data blocks are linked cryptographically. In distributed networks, participants agree on its state through consensus rules. Resistance to changing history depends on the network's design and security; immutability is not absolute.
Definition and sourcesBolt CMS
A PHP and Symfony-based content management system. It supports custom content types; requirements and support must be assessed for the specific version.
Definition and sourcesBootstrap
A toolkit for web interfaces, including layout grids, styles and reusable components. Bootstrap also includes JavaScript components. It accelerates development, while accessibility and performance still depend on implementation.
Definition and sourcesBounce rate
A bounce metric whose definition depends on the analytics tool. In GA4 it measures non-engaged sessions, not simply all single-page visits.
Definition and sourcesBrand mark
A graphic identifying a brand, such as a symbol without its full name. Trademark protection is not automatic for every design; registration and law matter.
Definition and sourcesBrandbook
A guide to a brand's rules, usually covering logos, colours, typography and applications, sometimes tone of voice. Scope varies by project. A brandbook can be broader than a logo usage manual.
Definition and sourcesBranding
Developing a brand's identity and how people perceive it. It includes positioning, promises, communication and customer experience. A logo is one branding tool, not the whole process.
Definition and sourcesBreadcrumbs
Navigation showing a page's place in a site's hierarchy, such as Home / Glossary / API. It helps users reach parent sections. It need not reproduce their actual browsing history.
Definition and sourcesBrief
A description of a project's goals, audience, scope, constraints, budget and evaluation criteria. It aligns expectations before work begins. Briefs are not limited to websites and do not replace contracts.
Definition and sourcesBroad match
A Google Ads keyword match type covering related searches. It needs search-term and campaign-goal monitoring, not just a keyword list.
Definition and sourcesBrotli
A lossless compression algorithm used for web resources. Browser and server negotiate support; higher compression levels increase computational cost.
Definition and sources