Hosting and infrastructure
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FaaS
Function as a Service: executing functions on demand without directly managing a permanent server.
Also searched as : function as a service serverless
Professional Web glossary
Definitions beginning with F
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13 terms displayed
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Definitions beginning with F
Search within this letter or use the alphabet to continue exploring the complete glossary.
13 terms displayed
No term matches these criteria.
Design, UX and accessibility
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Favicon
Small icon associated with a website and displayed in tabs, bookmarks and some results.
Also searched as : site icon
SEO, search and visibility
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Featured snippet
Highlighted search-result excerpt providing a quick answer, generally with a link to the source.
Also searched as : position zero extrait optimisé
Design, UX and accessibility
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FID
First Input Delay: former Core Web Vitals responsiveness metric, replaced by INP for current assessment.
Also searched as : first input delay
Data and measurement
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Field data
Field data collected from real users, as opposed to results obtained in a laboratory test.
Also searched as : real user data rum
Design, UX and accessibility
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Figma
Collaborative tool for interface design, prototyping and design systems.
Also searched as : ui design prototype
Security and privacy
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Firewall
Firewall filtering network communications according to rules to block unwanted access or behavior.
Also searched as : pare feu
Design, UX and accessibility
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First Contentful Paint
FCP: measurement of the time before the first content element is displayed on the page.
Also searched as : fcp performance
Data and measurement
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First-party data
Data collected directly by an organization from its audience or customers within its own relationship.
Also searched as : données propriétaires
Development and code
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Framework
Software framework providing structure, conventions and reusable components for application development.
Also searched as : cadriciel
Development and code
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Front-end
Part of a website executed and displayed in the browser, including HTML, CSS, JavaScript and interactions.
Also searched as : frontend client side
Hosting and infrastructure
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FTP
File Transfer Protocol: an older file-transfer protocol. SFTP or other encrypted solutions are preferable for sensitive access.
Also searched as : file transfer protocol
Marketing and acquisition
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Funnel
Funnel representing the gradual reduction in people from discovery through interest, consideration and conversion.
Also searched as : conversion funnel tunnelEditorial 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.