HTTP and HTTPS What's the difference between the two?
Authoritative answer from Baidu Webmaster Platform:Simply put: HTTPS is encrypted HTTP， and HTTPS The protocol is mainly used in encrypted environments, such as online banking login, Alipay login, etc.
Related SEO Terminology explanation:
HTTPS：HTTPS（ Full name: Hyper Text Transfer Protocol over Secure Socket Layer）， It is aimed at safety HTTP Channel, to put it simply, is HTTP safe version. Right now HTTP Join below SSL layer, HTTPS The security basis is SSL， Therefore the details of the encryption need to be SSL。 it is a URI scheme（ Abstract identifier system), syntactic similarity http: system. for safety HTTP Data transfer. https:URL indicates that it uses HTTP， but HTTPS Being is different from HTTP default port and an encryption /Authentication layer (in HTTP and TCP between). The system was originally developed by Netscape (Netscape)made and built into their browsers Netscape Navigator , provides authentication and encrypted communication methods. It is now widely used for security-sensitive communications on the World Wide Web, such as transaction payments.
HTTP：HTTP Hypertext Transfer Protocol is the main protocol on the Internet that allows us to display and receive information. exist SEO aspect, it is better to use safe types HTTPS。
http Status code:HTTP status code also known as HTTP Response status code, browser error code, is a 3-digit code used to indicate the server response status when the browser requests a web page. There are five types:
1xx – information feedback
2xx- Success (200 - Request successful)
3xx – Redirects (301 – Moved Permanently, 302 – Moved Temporarily, 304 – Not Modified, 307 – Redirect Temporarily, 308 – Redirect Permanently)
4xx – Client errors (403 – Forbidden, 404 – Not Found, 410 – Gone, 429 – Too Many Requests)
5xx – Server Errors (500 – Internal Server Error, 501 – Not Implemented, 503 – Service Unavailable, 550 – Permission Denied)
The crawler uses this information to determine the health of the site, and finding and fixing some of it can have an impact on the site's ranking.
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