Siksha Sarovar

Siksha Sarovar (sikshasarovar.com) is a free educational web application that helps students in India learn programming and prepare for academic and competitive exams. The platform offers structured coding courses (C, C++, Python, Java, HTML, CSS, PHP, Power BI, AI, Machine Learning, Data Science), complete university curriculum notes for BCA/MCA students with previous year question papers, Class 10 and Class 12 CBSE/HBSE school notes, and dedicated preparation material for SSC, UPSC, Banking, Railway and other government exams. Browsing the site is completely free and requires no account. Users may optionally sign in with Google solely to save their learning progress, quiz scores and personal preferences across devices.

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Siksha Sarovar
Your Learning Universe

Siksha Sarovar is a free e-learning platform for coding courses, BCA university notes and competitive exam preparation. Optional Google sign-in saves your learning progress across devices.

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1. Web Applications & Servers

Lesson 2 of 36 in the free Web Based Programming notes on Siksha Sarovar, written by Rohit Jangra.

Introduction to Web Applications

Web applications are software programs that run on a web server and are accessed through a web browser. They are built using a combination of HTML, CSS, and JavaScript, and can be used for a variety of purposes, such as e-commerce, social networking, and content management.

Processing SpeedFasterSlower
SecurityLess secureMore secure
Code VisibilityVisible to userHidden from user
Database AccessNot allowedAllowed
Server LoadLowHigh
DependencyBrowser dependentServer dependent

4. Example

Server Side (PHP):

        <?php
        echo "Welcome to Web Programming";
        ?>

Web Servers: Local Servers and Remote Servers

1. What is a Web Server?

A web server is a system (software or hardware) that stores, processes, and delivers web pages to users over the internet using HTTP/HTTPS protocols.

A web server responds to requests from a web browser and sends back web content such as HTML pages, images, and data.