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.

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Related Terms

HTTP headers that control cross-origin resource sharing between different domains, specifying allowed origins, methods, and headers.

Hypermedia As The Engine Of Application State — a REST constraint where API responses include links to related actions and resources.

An XML file that lists all important URLs on a website, helping search engines discover and crawl content efficiently.

A query language for APIs that lets clients request exactly the data they need, reducing over-fetching and under-fetching.

A communication protocol that enables full-duplex, real-time data exchange between a browser and server over a single connection.

Web Performance Optimization

Techniques to make websites load faster and respond more quickly, improving user experience and search engine rankings.

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