Design, UX and accessibility
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UI
User Interface: visual and interactive components through which a person uses a digital product.
Also searched as : interface utilisateur
Professional Web glossary
Definitions beginning with U
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14 terms displayed
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Definitions beginning with U
Search within this letter or use the alphabet to continue exploring the complete glossary.
14 terms displayed
No term matches these criteria.
Data and measurement
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Unique visitor
Estimate of distinct people or devices visiting a service during a given period.
Also searched as : visiteur unique
Web fundamentals
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Upload
Transfer of a file from a local device to a server or remote service.
Also searched as : téléversement envoi fichier
Hosting and infrastructure
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Uptime
Proportion of time during which a website, server or service remains available and operational.
Also searched as : disponibilité
Web fundamentals
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URL
Uniform Resource Locator: address identifying a resource location and the protocol used to access it.
Also searched as : adresse web
Development and code
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URL parameter
Value added to a URL to pass a filter, identifier, campaign or state to the resource.
Also searched as : paramètre url query
Development and code
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URL rewriting
Internal or external rewriting of addresses to present readable URLs or route requests to the proper process.
Also searched as : réécriture url rewrite
Design, UX and accessibility
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Usability
Ease with which users can understand an interface, complete tasks and avoid or recover from errors.
Also searched as : utilisabilité ergonomie
Web fundamentals
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User agent
Software acting for a user during a Web request, such as a browser, crawler or screen reader.
Also searched as : agent utilisateur navigateur bot
Design, UX and accessibility
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User flow
Sequence of steps and screens followed to achieve a specific goal in a website or application.
Also searched as : parcours utilisateur
Content and communication
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User-generated content
Content produced by service users, such as reviews, comments, photos or answers.
Also searched as : ugc contenu utilisateurs
Data and measurement
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UTM parameter
Parameter added to a URL to identify a link’s source, medium or campaign in a measurement tool.
Also searched as : utm tracking campagne
Design, UX and accessibility
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UX
User Experience: overall experience before, during and after using a product or service.
Also searched as : expérience utilisateur
Content and communication
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UX writing
Design of interface text to clearly guide action, explain a state and reduce hesitation.
Also searched as : rédaction ux microcopyEditorial method
Definitions written for people, structured for machines.
The entries are editorially reformulated in plain language, connected to stable URLs and represented with DefinedTerm structured data. They provide orientation, not a substitute for official standards, legal advice or vendor documentation.