The Internet A Global Network
The internet is like a massive postal system where computers send messages to each other using a special language called HTTP, which stands for HyperText Transfer Protocol.
The Journey of a Web Page
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You type a URL, for example google.com
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DNS Lookup: Your computer asks “Where is google.com?”
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Server Response: The server sends back the website files
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Browser Rendering: Your browser displays the website
Key Internet Concepts
URLs (Uniform Resource Locators)
https://www.example.com/path/to/page?query=value#section
Protocol – https
Domain Name – www.example.com
Path – /path/to/
Query Parameters – page?query
and Fragment – value#section
HTTP Methods
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GET: Retrieve data, like loading a webpage
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POST: Send data, like submitting a form
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PUT: Update data
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DELETE: Remove data
Status Codes
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200: Success
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404: Page not found
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500: Server error
Client-Server Architecture
Your Computer ↔ Internet ↔ Web Server
(Client)————————————-(Server)
Client: Your browser such as Chrome, Firefox, or Safari
Server: The computer that hosts the website
Request: What you ask for
Response: What the server sends back
