Web Browser & Websites

A web browser is a program that lets you visit websites on the Internet. Without a browser, you cannot see web pages. The browser reads the code of a website and displays it as pictures, text, and videos.

Popular Web Browsers

🌐Google Chrome Most popular worldwide

🦊Firefox Fast and private

🔵Microsoft Edge Built into Windows

🧭Safari Default on Apple devices

Parts of a Web Browser

A web browser window: Tabs, Address Bar, Navigation Buttons, and Web Page

What is a URL?

A URL (Uniform Resource Locator) is the address of a website. You type it in the address bar. For example, https://www.estudy247.com is the URL for the estudy247 website. The https:// at the start means the website is secure.

Parts of a URL

https:// — secure connection | www — World Wide Web | estudy247 — website name | .com — type of website (commercial)

Search Engines

A search engine helps you find websites. You type keywords and it shows a list of matching websites. Google is the most popular search engine. Others include Bing, Yahoo, and DuckDuckGo.

💡 Fun Fact: Google answers over 8.5 billion search queries every single day — that means about 99,000 searches every second!

✏️ Exercise

Q1. What is a web browser?

✅ A web browser is a program that lets you visit and view websites on the Internet.

Q2. What does URL stand for?

✅ URL stands for Uniform Resource Locator — it is the address of a website.

Q3. Name two popular web browsers.

✅ Google Chrome and Mozilla Firefox are two popular browsers. (Also: Edge, Safari)

Q4. What does "https" at the start of a URL indicate?

✅ "https" means the website uses a secure, encrypted connection — your data is protected.

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