How a browser loads a page

What is a URL?

A Uniform Resource Locator (URL) is an address used to access resources on the internet.

What happens when you enter a URL?

The browser sends a request to the server hosting the resource at that URL.

True or false: The browser connects directly to the webpage.

False, because the browser connects to a web server that hosts the page.

Difference between HTTP and HTTPS

HTTP is insecure; HTTPS includes encryption for safer data transfer.

What is DNS?

The Domain Name System (DNS) translates domain names into IP addresses.

Fill the blank: DNS resolves ______ to an IP address.

Domain names

What is a web server?

A web server is a system that stores, processes, and delivers web pages to clients.

What does a browser cache do?

It stores copies of web pages temporarily to speed up loading times.

What is HTML?

HTML (Hypertext Markup Language) is the standard language for creating web pages.

True or false: Browsers only understand HTML.

False, because browsers also interpret CSS and JavaScript.

What does CSS do?

CSS (Cascading Style Sheets) styles the appearance of HTML elements.

Difference between client-side and server-side scripting

Client-side runs on the user's browser, while server-side runs on the web server.

What is a request-response cycle?

It's the process where the client requests a resource and the server responds with data.

What is JavaScript used for?

JavaScript adds interactivity and dynamic content to web pages.

Fill the blank: The browser renders the page using ______.

The Document Object Model (DOM)

What happens during page load?

The browser parses HTML, CSS, and JS, then renders the content for the user.

What is a rendering engine?

A rendering engine interprets web content and displays it as a web page.

True or false: All browsers use the same rendering engine.

False, different browsers may use different engines, like WebKit or Blink.