Professional Web glossary

Definitions beginning with D

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Definitions beginning with D

Search within this letter or use the alphabet to continue exploring the complete glossary.

18 terms displayed

Design, UX and accessibility #

Dark pattern

Interface choice designed to push users toward a decision they would not have made freely or clearly.

Also searched as : interface trompeuse deceptive pattern
Hosting and infrastructure #

Data center

Physical facility housing servers, storage, networks, power and cooling systems.

Also searched as : centre de données
Data and measurement #

Database

Structured system for storing, querying and updating information.

Also searched as : base de données sql
Security and privacy #

DDoS

Distributed denial-of-service attack overwhelming a resource with requests from multiple sources.

Also searched as : distributed denial of service
Hosting and infrastructure #

Dedicated server

Physical machine reserved for one client or project, providing greater control and isolated resources.

Also searched as : dedicated server
Development and code #

Deployment

Process making a new website or software version available in a testing or production environment.

Also searched as : deployment release
Design, UX and accessibility #

Digital accessibility

The ability of a website or digital service to be used by as many people as possible, including people with disabilities.

Also searched as : accessibility a11y rgaa wcag
Data and measurement #

Digital analytics

Collection and analysis of digital data to understand usage and improve decisions.

Also searched as : web analytics
Hosting and infrastructure #

DNS

Domain Name System: system translating domain names into technical information, notably IP addresses.

Also searched as : domain name system
Security and privacy #

DNSSEC

DNS security extensions allowing response authenticity to be verified through cryptographic signatures.

Also searched as : secure dns
Development and code #

DOM

Document Object Model: object representation of a document structure that scripts can read and modify.

Also searched as : document object model
SEO, search and visibility #

Domain authority

Proprietary metric from some tools estimating a domain’s comparative SEO strength. It is not an official search-engine metric.

Also searched as : autorité de domaine da
Web fundamentals #

Domain name

Human-readable address used to identify a website or service on the Internet.

Also searched as : nom de domaine url
Design, UX and accessibility #

Drag and drop

Interaction allowing an on-screen element to be moved by grabbing and dropping it elsewhere.

Also searched as : glisser déposer
SEO, search and visibility #

Duplicate content

Identical or very similar content available at multiple URLs, potentially complicating selection of the reference version.

Also searched as : contenu dupliqué
Data and measurement #

Dwell time

Estimated time between clicking a search result and possibly returning to results. It is not provided as an official SEO metric.

Also searched as : temps de consultation serp
Development and code #

Dynamic content

Content generated or adapted at request time according to data, profile, language or context.

Also searched as : contenu dynamique
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Editorial method

Definitions written for people, structured for machines.

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