http request header and corresponding header

Introduction

Understanding of request headers and corresponding headers

Request header

The parameters contained in the http request header are (commonly used):

1. Accept
2. Accept-Encoding
3. Accept-Language
4. Cache-Control
5. Connection
6. Host
7. Pragma
8. Upgrade-Insecure-Requests
9. User-Agent
10. Cookie
11. Content-Length
12. Content-Type
13. If-Match
14. If-Modified-Since
15. If-None-Match
16. Referrer

Accept

Specify the type of content that the client can receive

Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,/;q=0.8

Accept-Encoding

Specify the type of compression encoding returned by the web server that the browser can support

Accept-Encoding:gzip, deflate, br

Response header

1. Connection
2. Content-Encoding
3. Date
4. Transfer-Encoding
5. Accept-Ranges
6. Age
7. Cache-Control
8. Content-Length
9. Content-Type
10. Expires
11. Last-Modified
12. Pragma
13. Server
14. X-Powered-By
15. Set-Cookie
16. ETag