zh-cn.facebook.com Website Review

zh-cn.facebook.com - Basic Information

Server:
Unknown
IP:
Unknown
City:
Unknown

zh-cn.facebook.com - Pages Indexed

Baidu:
Bing:
Google:

zh-cn.facebook.com - Page Information

Title:
Facebook - 登录或注册
Meta keywords:
Unknown
Meta description:
请创建帐户,或登录 Facebook。与亲友和其他认识的人建立联系。分享照片和视频、发消息,以及了解动态更新。
H1:
Facebook

zh-cn.facebook.com - Site Technology

Server:
Unknown
SSL Secure:
Unavailable
robots.txt:
Unavailable
XML Sitemap:
Unavailable
Gzip Compress:
Available
favicon.ico:
Unavailable

zh-cn.facebook.com - HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of zh-cn.facebook.com:
HTTP/1.1 200 OK
Set-Cookie: fr=15Nsy1Choq9lgBqO3..Be1Uay.MS.AAA.0.0.Be1Uay.AWWEHXNO; expires=Sun, 30-Aug-2020 18:19:29 GMT; Max-Age=7775999; path=/; domain=.facebook.com; secure; httponly
Set-Cookie: sb=skbVXrFbJcDSaP_LuYLqGA5T; expires=Wed, 01-Jun-2022 18:19:30 GMT; Max-Age=63072000; path=/; domain=.facebook.com; secure; httponly
Cache-Control: private, no-cache, no-store, must-revalidate
Expires: Sat, 01 Jan 2000 00:00:00 GMT
Pragma: no-cache
Strict-Transport-Security: max-age=15552000; preload
Content-Encoding: gzip
content-security-policy: default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;block-all-mixed-content;upgrade-insecure-requests;
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-XSS-Protection: 0
Content-Type: text/html; charset="utf-8"
X-FB-Debug: 5MFG3BYn3pqVa3VJfAQGr90hTEEh1H4s53VP55ypF9QnKi3iSRVYI6wDN2HPIOSc84FfrF0/Hp/5D1gJJHPTBA==
Date: Mon, 01 Jun 2020 18:19:30 GMT
Alt-Svc: h3-27=":443"; ma=3600
Transfer-Encoding: chunked
Connection: keep-alive

zh-cn.facebook.com - DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 11 DNS record(s) of facebook.com.
Host Type IP/Target TTL Extra Infomation
facebook.comA27
facebook.comNS31427
facebook.comNS31427
facebook.comNS31427
facebook.comNS31427
facebook.comSOA3600expire: 604800
serial: 3564764186
facebook.comMX3600pri: 10
facebook.comTXT
google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s
612
facebook.comTXT
google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY
612
facebook.comTXT
v=spf1 redirect=_spf.facebook.com
79812
facebook.comAAAA
2a03:2880:f112:182:face:b00c::25de
179