Definitions beginning with P

Hosting and infrastructure #

PaaS

Platform as a Service: managed cloud environment for building, deploying and operating applications without administering all infrastructure.

Also searched as : platform as a service

SEO, search and visibility #

Page experience

Set of signals related to real page use, such as perceived speed, stability, interactivity, security and mobile display.

Also searched as : expérience page

Design, UX and accessibility #

Page speed

Speed at which a page starts displaying, becomes readable and then usable in real conditions.

Also searched as : vitesse chargement performance

SEO, search and visibility #

PageRank

Historical Google algorithm evaluating, among other factors, the relative importance of pages from links connecting them.

Also searched as : popularité liens

Design, UX and accessibility #

Pagination

Division of a long list into several pages connected by ordered navigation.

Also searched as : pages liste

Marketing and acquisition #

Paid search

Purchase of advertisements displayed in search engines according to queries, audiences or bids.

Also searched as : sea liens sponsorisés

SEO, search and visibility #

Passage ranking

Search engine ability to identify and value a particularly relevant passage within a longer page.

Also searched as : passage indexing search

Security and privacy #

Passkey

Cryptographic account credential unlocked on a device and designed to replace or complement a password.

Also searched as : clé accès webauthn

Development and code #

Payload

Useful data carried by a request, response, message or token.

Also searched as : charge utile

Design, UX and accessibility #

Performance budget

Predefined limit for weight, resource count or loading metrics intended to preserve speed.

Also searched as : budget performance web

Web fundamentals #

Permalink

Address designed to remain stable and provide long-term access to specific content.

Also searched as : lien permanent url

Marketing and acquisition #

Persona

Synthetic profile representing a user or customer type to guide content, services and journeys.

Also searched as : buyer persona cible

Development and code #

PHP

Server-side programming language widely used to produce dynamic Web pages and power CMS platforms such as WordPress.

Also searched as : php hypertext preprocessor

Design, UX and accessibility #

Pixel

Smallest displayable unit of a raster image or screen; the term also refers to some advertising tracking tags.

Also searched as : px tracking pixel

Development and code #

Plugin

Extension adding a feature to software or a CMS without modifying its main core.

Also searched as : extension module

Web fundamentals #

PNG

Lossless raster image format supporting transparency, suited notably to interfaces and crisp illustrations.

Also searched as : portable network graphics

Data and measurement #

PostgreSQL

Open-source relational database management system known for rich capabilities and robustness.

Also searched as : postgres sql database

Marketing and acquisition #

PPC

Pay per click: advertising model in which the advertiser pays when a user clicks the advertisement.

Also searched as : coût par clic cpc

SEO, search and visibility #

Preferred image

Representative image indicated through signals such as og:image or primaryImageOfPage to help platforms select a relevant preview.

Also searched as : image principale og image

Project, product and business #

Prelaunch checklist

List of checks before a website opens: journeys, content, forms, images, accessibility, indexing and redirects.

Also searched as : recette site mise en ligne

SEO, search and visibility #

PrimaryImageOfPage

Schema.org property linking a page to the main image representing it in structured data.

Also searched as : schema image principale

Development and code #

Progressive enhancement

Approach providing a universally functional baseline first, then adding enhancements according to browser capabilities.

Also searched as : amélioration progressive

Development and code #

Progressive Web App

Web application using modern browser capabilities to offer installation, offline use or notifications when relevant.

Also searched as : pwa

Artificial intelligence #

Prompt

Instruction, context or set of examples given to an AI model to guide its response or action.

Also searched as : invite instruction ia

Artificial intelligence #

Prompt engineering

Design, testing and structuring of instructions intended to obtain more reliable and suitable AI model outputs.

Also searched as : ingénierie prompt

Security and privacy #

Prompt injection

Attack inserting malicious instructions into processed data to divert an AI system’s behavior.

Also searched as : injection instruction ia

Hosting and infrastructure #

Proxy

Intermediate server relaying requests between a client and destination to filter, cache or control exchanges.

Also searched as : serveur mandataire

Marketing and acquisition #

Push notification

Message sent by an application or website to a device after user permission.

Also searched as : notification web

Development and code #

Python

General-purpose programming language widely used for the Web, automation, data and artificial intelligence.

Also searched as : langage python