This document provides an overview of key web concepts, including websites and web pages, domains and hosting, URLs, HTTP and HTTPS protocols, HTML, CSS, JavaScript, server-side languages like PHP, Python and Ruby, and databases like MySQL, PostgreSQL, MongoDB and MariaDB. It was presented by Md. Al-Amin Islam as part of a knowledge sharing session on web concepts.

1. WEB CONCEPT
PRESENTIONS
Knowledge Sharing
Welcome
Md. Al –Amin Islam

2. WEB CONCEPT
 WEBSITE
 WEB PAGE

3. WEB CONCEPT
 DOMAIN
 HOSTING

4. WEB CONCEPT

5. WEB CONCEPT
url = Uniform Resource Locator

6. WEB CONCEPT
http://www.facebook.com
https://www.daraz.com
HTTP/HTTPS
WWW
OTHERS

7. WEB CONCEPT
HTTP = Hypertext Transfer Protocol
HTTPS = Hypertext Transfer Protocol Secure

8. WEB CONCEPT
HTML = Hypertext markup language
CSS = Cascading Style Sheets

9. HTML AND CSS

10. WEB CONCEPT
JS = Javascript

11. Select Server-side languages
PHP = Hypertext Preprocessor
Python
Ruby

12. DATABASE
MySQL
PostgreSQL. ...
MongoDB. ...
MariaDB.

13. WEB CONCEPT
THANK YOU