Ngân hàng câu hỏi

The DOM is a tree-like representation of a web page's structure, allowing manipulation of content, structure, and style via programming languages.

HTTP is an unsecured data transmission protocol; HTTPS is secure, encrypting data in transit using SSL/TLS.

CORS is a security measure allowing or restricting resources requested from another domain, managed via HTTP headers.

Web servers handle HTTP requests, serve content, manage security, routing, and can act as reverse proxies for application servers.

Cookies are data stored on the user's computer by the web server, sent with HTTP requests for session management, tracking, and storing preferences.

A session maintains stateful information across multiple HTTP requests, typically for user authentication and data storage.

Responsive design ensures web content functions across different devices and screen sizes, using CSS media queries and flexible layouts.

GET requests retrieve data and include parameters in the URL; POST requests send data to the server, encapsulating data in the request body.

SEO enhances a website's visibility in search engine results, improving organic traffic and user reach through optimized content and structure.

Browsers parse HTML to create a DOM, fetch resources, build a rendering tree, apply CSS, calculate layout, and paint the page on the screen.