---- HTTP response status code information response (100-199)

100 Continue

So far everything is normal, the client should continue to request, if the request has been completed ignored.

101 Switching Protocol

Upgrading the request of a client server protocol (Upgrade request header) being switched protocol.

When using WebSockets protocol switching will be used.

Example:

HTTP/1.1 101 Switching Protocols
Upgrade: websocket 
Connection: Upgrade

102 Processing (WebDAV)

This code indicatesServer has received and is processing the request, but no response is available。

103 Early Hints

This status codePrimarily for use with Link chain joint to allow the user agent server while still being ready to respond to start pre-loading resources。

• ---- HTTP response status code success response (200-299)
• ---- redirect HTTP response status code (300-399)
• HTTP response status code error ---- client (400-499)
• ---- HTTP server error response status code (500-599)