edu.21cn.com Website Review

edu.21cn.com - Basic Information

Domain Age:
18 years 4 months
Archive.org First Cached:
robots.txt:
XML Sitemap:
Unavailable
Alexa Traffic Rank:
Server:
nginx
Country/Region:
City:

edu.21cn.com - Pages Indexed

Baidu:
Google:
Yandex:

edu.21cn.com - Site Security

McAfee SiteAdvisor:
Norton Safe Web:

edu.21cn.com - Social (SNS)

Delicious:
Unknown
Stumbleupon:
0
Facebook Likes:
0
Twitter Tweets:
Unknown
Google Plus Likes:
0

edu.21cn.com - Page Information

Title:
21CN教育考试网:考试信息,考试报名、学习资料、考试题,培训学校,培训课程,网校、网络课程
Length: 46 character(s); Best length: 10 ~ 60 character(s)
Meta keywords:
教育考试网,考试信息,考试报名,学习资料,考试题,培训学校,培训课程,网校,网络课程
Length: 42 character(s)
Meta description:
21CN教育考试网,竭诚提供及时准确的考试、报名信息;海量免费的学习资料、考试题下载;和国内知名培训学校合作,提供优质的培训课程;整理了中国最好的网校、网络课程免费试听!
Length: 85 character(s); Best length: 50 ~ 160 character(s)
H1:
Unknown
Length: 0 character(s)
Internal links:
433 (60 nofollow)
External links:
7 (4 nofollow)

edu.21cn.com - Traffic Rank

Alexa Traffic Graphs:
Daily Global Rank Trend
(6 Months)
Daily Global Rank Trend
(2 Years)
Daily Pageview per User Daily Reach Search Visits
Daily Global Rank Trend (6 Months): edu.21cn.com Daily Global Rank Trend (2 Years): edu.21cn.com Daily Pageview per User: edu.21cn.com Daily Reach (per million): edu.21cn.com Search Visits (percent): edu.21cn.com
Daily Global Rank Trend (6 Months): edu.21cn.com
Compete Traffic Graphs: Unique Vistors:
Compete Traffic Graphs: Unique Vistors: edu.21cn.com

edu.21cn.com - Site Technology

Server:
nginx
SSL Secure:
Unavailable
robots.txt:
XML Sitemap:
Unavailable
Gzip Compress:
Available
Favicon.ico:
Unavailable

edu.21cn.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 edu.21cn.com:
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 22 Jun 2017 21:02:45 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Vary: Accept-Encoding
Content-Encoding: gzip

edu.21cn.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 5 DNS record(s) of 21cn.com.
Host Type IP/Target TTL Extra Infomation
21cn.comA600
21cn.comMX2768pri: 10
21cn.comNS300
21cn.comSOA36000expire: 36000
serial: 2016090101
21cn.comTXT
v=spf1 include:mail-spf.21cn.com ip4:52.8.52.154 ip4:52.8.239.192 ip4:52.74.103.30 ip4:52.74.147.196 -all
3600