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Intro

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This video and article explain the different pieces involved in how the web works and how it influences what web developers should learn and be aware of. The narrator encourages viewers to subscribe and share the video.

Basic Scenario

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When accessing a website, the browser sends a request to the server where the website is stored. The server then returns the source code for the website, which the browser interprets and displays on the screen.

How Does The Server Know

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When a user enters a website address, the browser contacts a DNS server to translate the domain name into an IP address, which is then given to the browser to make a request to the server. The request can include different types of data and metadata, and the response contains the HTML code that should be rendered.

HTML Code

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The result of what you see on the browser is a combination of HTML, CSS, and JavaScript. HTML gives a website its structure, CSS is responsible for styling, and JavaScript is responsible for all the dynamics and logic happening in the browser.

HTTP and HTTPS

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HTTP (Hypertext Transfer Protocol) is a standardized technology that defines how a request and response should look like. HTTPS is the same as HTTP but in an encrypted form, which means that all data is end-to-end encrypted, making it unreadable to anyone who tries to sniff the connection.

Frameworks

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Frameworks are packages of utility functions that make writing code easier by providing rules on how to use them. They are used for both server-side and front-end development, and are an important part of web development. The web is not just limited to traditional websites, but also includes mobile apps and other interactions where data is exchanged in a flexible data format. Advanced technologies like WebSockets allow for real-time communication between server and client.