Foundation of Web :

Design, Development & Technology

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Aditya Sapkota

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I am…

@adibit101 deextreme2048@gmail.com

Pragmatic Techie

CSIT Student

How WEB Works?

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Internet vs. Web(Are they same?)

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InternetMassive Network of

Millions Computer all over the World that used to

share &

transmit information.

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InternetIncludes

- Email

- SMS Messaging

- Application Data

- Web itself.

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WWW aka Web-Way of transmitting Data Over the Internet using

HTTP Protocol & HTML.

-Series of Interactions between two types of System : Client & Server.

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ClientDevices that request &

render WEB Content..

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Major Client Types

-Browsers

-Screen Readers

-Mobile Apps

-IOTsAdiBit

ServerApplications that delivers Web Content & Services to Clients.

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Working with Clients & Servers

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request for Content is made to Server.

Every time you Open the Link or Typed the URL

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Diving Deeper

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Process SummaryWhen your browser makes request it Uses URL

(Eg: https://heartmeetswords.wordpress.com) to Locate the Requested Content.

This request is passed to DNS Server then DNS translate the URL to IP Address.

Browser uses IP Address to Locate the HOST Server & Send the request for Content.

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Then?

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Now, Two Types of Processes Occurs According requested Website

Type(s):

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Static SitesHTML Content is passed by Server &

Render by Browser.

Media Files & CSS are Downloaded to Client % Displayed to Browser After Rendering.

Finally, JavaScript is Render for Additional Features of Websites.

Static webpage: is delivered to the user exactly as stored.

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Dynamic Sites First, these sites requires further

processing for Additional Features.

Dynamic Sites Pages are 1st processed by Web Application before they are served to Browsers.

Then, Every Steps of Static Sites are followed along.

Dynamic webpage :whose construction is controlled by an application server processing server-side scripts.

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#FactEvery Processes above for both Sites types are done within few Seconds.

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Three Languages of

WEB

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Hypertext Markup Language

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HTMLMarkup Languages means uses of Tags to determine what

Types of Contents should Browser should Display.

Father : Tim- Berners Lee

Birth : 1990 (26 years old)

Latest Release : 5.0 (Oct 2014)

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Let's Get the Hands on…

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References :

http://www.w3schools.com/html/

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Cascading Style Sheets

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CSSCSS is used to Control Visual Presentation of

Webpage.

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References :

http://www.w3schools.com/css/

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JSJavaScript

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JavaScriptJavaScript is used for Controlling the Behavior of

Page Element.

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References :

http://www.w3schools.com/js/

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Domain Name Server

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DNSPhonebook of the Internet

Where,

-Phone Numbers are IP address of Sites.

-Contact Name are Domain Names.

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Internet Protocols

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Internet ProtocolProtocols are simple languages that

let computers share information with each other regardless state, languages

& Systems

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Thank You!

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