Professional Web glossary

Definitions beginning with Q

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Definitions beginning with Q

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

7 terms displayed

Project, product and business #

QA

Quality Assurance: organized verification process intended to prevent defects and confirm that a product meets expectations.

Also searched as : assurance qualité tests
Web fundamentals #

QR code

Matrix code readable by a camera and able to contain a URL, contact details or other short data.

Also searched as : quick response code
Marketing and acquisition #

Qualified lead

Prospect considered relevant and advanced enough to receive suitable commercial follow-up.

Also searched as : prospect qualifié
Marketing and acquisition #

Quality Score

Advertising-platform indicator estimating the relative quality of an ad, its keywords and landing page.

Also searched as : niveau qualité google ads
Web fundamentals #

Query

Request sent to a search engine, database, API or server to ask for information or an action.

Also searched as : requête
Development and code #

Query string

Part of a URL after the question mark, made of parameters sent to the resource.

Also searched as : paramètres url
Hosting and infrastructure #

QUIC

Fast secure transport protocol built on UDP and used notably as the basis for HTTP/3.

Also searched as : http3 udp
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.