Definitions beginning with D

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

Security and privacy #

Data minimization

Principle of collecting, using and retaining only the data necessary for a defined purpose.

Also searched as : minimisation données rgpd

SEO, search and visibility #

data-nosnippet

HTML attribute supported by Google to exclude a visible portion of a page from certain search-result snippets.

Also searched as : google extrait snippet

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

Web fundamentals #

Deep link

Link leading directly to a specific page or content rather than a general home page.

Also searched as : lien profond

Development and code #

Dependency graph

Representation of relationships between packages, modules or components used to analyze update impacts and risks.

Also searched as : graphe dépendances packages

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 #

Design token

Named reusable value representing a visual decision such as color, spacing, typography or radius.

Also searched as : système design variable

Data and measurement #

Differential privacy

Statistical technique limiting what an analysis can reveal about an individual through mathematically controlled protection.

Also searched as : confidentialité différentielle

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

Data and measurement #

Digital product passport

Structured set of information associated with a product to document origin, composition, compliance or lifecycle.

Also searched as : passeport produit données

SEO, search and visibility #

Discover

Google recommendation surface that suggests content based on interests without requiring an explicit query.

Also searched as : google discover contenu

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