Definitions beginning with R

Artificial intelligence #

RAG

Retrieval-Augmented Generation: method supplying a model with documents retrieved at request time to ground its response.

Also searched as : retrieval augmented generation recherche augmentée

SEO, search and visibility #

RankBrain

Machine-learning system used by Google to help understand queries and organise results.

Also searched as : google search machine learning

SEO, search and visibility #

Ranking

Relative ordering of pages or content according to a search engine, platform or recommendation model.

Also searched as : classement positionnement

Security and privacy #

Ransomware

Malware encrypting or blocking data and demanding payment for its release.

Also searched as : rançongiciel

Hosting and infrastructure #

Rate limit

Limit on the number of requests allowed during a period to protect service availability and fairness.

Also searched as : limitation débit api

SEO, search and visibility #

Redirect 301

HTTP response indicating that a resource has permanently moved to a new URL.

Also searched as : redirect permanent moved permanently

SEO, search and visibility #

Redirect 302

HTTP response indicating that a resource is temporarily available at another address.

Also searched as : redirect temporaire found

Data and measurement #

Referral traffic

Visits coming from links on other websites, excluding search engines and direct access.

Also searched as : trafic référent

Hosting and infrastructure #

Registrar

Accredited registration office allowing domain names to be reserved and managed.

Also searched as : registraire domaine

Data and measurement #

Relational database

Database organizing information into tables connected by keys and queryable in a structured way.

Also searched as : base relationnelle sql

Development and code #

Rendering

Process transforming code, data and styles into a visible interface in the browser.

Also searched as : rendu page

Design, UX and accessibility #

Responsive design

Design adapting layout, media and interactions to different screen sizes and conditions.

Also searched as : site adaptatif mobile

Design, UX and accessibility #

Responsive image

Image offered in several sizes or crops so the browser can select an appropriate resource for the screen.

Also searched as : srcset sizes picture

Development and code #

REST API

API organised around resources manipulated through HTTP methods and predictable interface conventions.

Also searched as : representational state transfer

Marketing and acquisition #

Retargeting

Advertising retargeting of people who previously visited a site or interacted with a brand, subject to consent rules.

Also searched as : remarketing reciblage

Hosting and infrastructure #

Reverse proxy

Server placed in front of one or more applications to receive, secure, distribute or cache requests.

Also searched as : proxy inverse

SEO, search and visibility #

Rich result

Search result enhanced with additional presentation or information, often from eligible structured data.

Also searched as : résultat enrichi rich snippet

SEO, search and visibility #

robots.txt

File at a website root telling compatible crawlers which areas they may or may not crawl.

Also searched as : robot exclusion protocol

Project, product and business #

ROI

Return on Investment: relationship between value obtained and resources committed to an action or project.

Also searched as : retour investissement

Hosting and infrastructure #

Root domain

Main registered domain, distinct from its subdomains and paths added to its address.

Also searched as : domaine racine apex

Content and communication #

RSS

Syndication format allowing a reader or another website to automatically follow new publications from a source.

Also searched as : really simple syndication flux

Content and communication #

RSS feed

XML feed allowing new website publications to be followed automatically in a reader or another service.

Also searched as : flux rss syndication

Data and measurement #

RUM

Real User Monitoring: measurement of performance and behavior observed on real visitors’ devices.

Also searched as : mesure utilisateurs réels