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Web Development Beginner

What is Cookie?

A small piece of data stored in the browser by a website to remember user preferences, login state, or tracking information.

Cookies are key-value pairs sent by the server and stored by the browser. They are automatically included in subsequent requests to the same domain. Uses include session management, personalization, and analytics tracking.

Security attributes include HttpOnly (prevents JavaScript access), Secure (HTTPS only), SameSite (prevents CSRF), Domain, Path, and Expires/Max-Age. GDPR requires user consent for non-essential cookies.

Related Terms

Lazy Loading
A technique that delays loading non-critical resources until they are needed, improving initial page load performance.
SPA (Single Page Application)
A web application that loads a single HTML page and dynamically updates content without full page reloads.
Progressive Web App (PWA)
A web application that uses modern web capabilities to deliver app-like experiences with offline support and push notifications.
CSS Grid
A two-dimensional CSS layout system for creating complex grid-based designs with rows and columns.
OAuth Scope
A mechanism in OAuth that limits an application's access to a user's account to specific resources or actions.
Meta Tags
HTML elements in the page head that provide metadata about the document for browsers, search engines, and social media platforms.
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