Professional Web glossary

Definitions beginning with O

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

Browse the glossary

Definitions beginning with O

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

15 terms displayed

Security and privacy #

OAuth

Authorization protocol allowing an application to access selected account resources without knowing the password.

Also searched as : open authorization
Hosting and infrastructure #

Object storage

Storage that keeps files as objects with metadata, often in cloud infrastructure.

Also searched as : stockage objet bucket
SEO, search and visibility #

Off-page SEO

Visibility signals earned outside the website, including editorial links, citations, reputation and local presence.

Also searched as : seo off site
Marketing and acquisition #

Omnichannel

Coherent organization of physical and digital touchpoints so the journey remains continuous across channels.

Also searched as : omnichannel
SEO, search and visibility #

On-page SEO

Optimization of elements within a page: content, headings, links, media, HTML structure and intent match.

Also searched as : seo on site
Marketing and acquisition #

Online reputation

Online reputation formed by reviews, mentions, content, search results and public responses associated with an entity.

Also searched as : e-réputation
Content and communication #

Open Graph

Metadata telling social platforms which title, description and image to use when a page is shared.

Also searched as : og tags social preview
Development and code #

Open source

Software whose source code is accessible and may be studied, modified or redistributed under its license terms.

Also searched as : logiciel libre code ouvert
Marketing and acquisition #

Opt-in

Explicit action by which a person agrees to receive a communication or a specified form of processing.

Also searched as : consentement inscription
Marketing and acquisition #

Opt-out

Mechanism allowing a person to refuse or stop a communication or previously authorized processing.

Also searched as : désinscription refus
SEO, search and visibility #

Organic result

Natural result displayed by a search engine without directly purchasing its placement.

Also searched as : résultat naturel
SEO, search and visibility #

Organic traffic

Visits coming from natural search engine results, excluding paid advertising links.

Also searched as : trafic organique trafic seo
Design, UX and accessibility #

Overlay

Visual layer displayed above the main content, for example for a modal, menu or contextual information.

Also searched as : surcouche modal
Security and privacy #

OWASP

Open community publishing reference resources on application security, including a list of common Web risks.

Also searched as : open worldwide application security project
← Previous letter N All terms Next letter P →
Editorial 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.