HTTP Full Form: Hypertext Transfer Protocol – Complete Guide
TechnologyHypertext Transfer Protocol
Hypertext Transfer Protocol (HTTP) is the foundation of data communication on the World Wide Web. It's an application layer protocol designed to facilitate the transfer of information between clients (typically web browsers) and servers. HTTP defines how messages are formatted and transmitted.
Version
HTTP/1.1, HTTP/2, HTTP/3
Type
Application Protocol
Port
80 (HTTP), 443 (HTTPS)
Common HTTP Methods
- GET - Retrieve data
- POST - Submit data
- PUT - Update existing resource
- DELETE - Remove resource
- PATCH - Partial modification
- HEAD - Get headers only
Status Code Categories
1xx
Informational responses
2xx
Successful responses
3xx
Redirection messages
4xx
Client error responses
5xx
Server error responses
Common Headers
Request Headers
- Accept
- User-Agent
- Authorization
- Content-Type
Response Headers
- Content-Type
- Content-Length
- Cache-Control
- Set-Cookie
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