kb/data/developer.mozilla.org/en-US/docs/Glossary/Cookie-0.md

title	chunk	source	category	tags	date_saved	instance
Cookie - Glossary | MDN	1/3	https://developer.mozilla.org/en-US/docs/Glossary/Cookie	reference	web, html, css, javascript, documentation	2026-05-05T05:28:34.894087+00:00	kb-cron

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1. Glossary
2. Cookie

Cookie

A cookie is a small piece of information left on a visitor's computer by a website, via a web browser. Cookies are used to personalize a user's web experience with a website. It may contain the user's preferences or inputs when accessing that website. A user can customize their web browser to accept, reject, or delete cookies. Cookies can be set and modified at the server level using the Set-Cookie HTTP header, or with JavaScript using document.cookie.

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• See also

See also

• HTTP cookie on Wikipedia