Web
Fundamentals
INTERNET
vs.
WEB
internet
/in-ter-net/
noun
global communications network connecting small to large devices technologies: TCP, IP, DNS, ...
web
/wɛb/
noun
information space on top of the internet technologies: HTTP, HTML, URL, ...
What is it made of ?
HTTP
HYPERTEXT TRANSFER PROTOCOL
Request & Response
SERVER
- Speaks HTTP
- Listens for connections
- Reads the Request
- Returns the Response
CLIENT
- Speaks HTTP
- Makes a connection
- Sends the Request
- Reads the Response
CREATE
READ
UPDATE
DELETE
VERBS
POST
GET
PUT
DELETE
=
=
=
=
1xx - Informational
2xx - Success
3xx - Redirection
4xx - Client Error
5xx - Server Error