Sdfi.edu.cn ranking shows that the page is at position 456,245 over the world, while the bulk of its audience is from United States, where it ranks 305,756.
Sdfi.edu.cn hosted on ERX-CERNET-BKB China Education and Research Network Center, CN servers in China. To reduce page loading time for the majority of sdfi.edu.cn users, we recommend migrating the server to United States, as it will speed up sdfi.edu.cn page load time for the majority of users. See the list of other webpages hosted on ERX-CERNET-BKB China Education and Research Network Center, CN servers.
In terms of rank-to-traffic ratio, sdfi.edu.cn has 1,621 unique users per day, viewing 1,637 pages. The rank based value of sdfi.edu.cn is 23,676 USD. Every user makes 1.07 pageviews on average.
Sdfi.edu.cn boasts a link base consisting of 298 referring domains and 317 external backlinks, as revealed by the data obtained from web network scanning.
Sdfi.edu.cn top-level domain belongs to .CN domain zone. Check other webpages in .CN zone.
According the last verification test in January 20, 2019, sdfi.edu.cn has an expired SSL certificate (expired on February 11, 2019). Click button “Update” SSL Information at the Safety Information section.
Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust sdfi.edu.cn is a fairly safe domain.
According the Mobile-Friendly test by Google sdfi.edu.cn is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Domain | www.sdufe.edu.cn |
Issuer Organization | Unknown |
Issuer | Let's Encrypt Authority X3 |
Algorithm | RSA-SHA256 |
Valid form | 11/13/2018 |
Expiration | 02/11/2019 |
Signed | Certificate is not self signed |
Additional Domains |
www.sdufe.edu.cn |
Alexa Rank shows how popular sdfi.edu.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sdfi.edu.cn has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to sdfi.edu.cn and pageviews on sdfi.edu.cn over the past 3 months.
ASN ID: 4538
ASN Title: ERX-CERNET-BKB China Education and Research Network Center, CNLast Update: 01/30/2019
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4538'
% Abuse contact for 'AS4538' is 'abuse@net.edu.cn'
aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
admin-c: JW410-AP
tech-c: JW410-AP
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
last-modified: 2016-10-17T00:30:08Z
source: APNIC
irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: abuse@net.edu.cn
abuse-mailbox: abuse@net.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
mnt-by: MAINT-CERNET-AP
last-modified: 2010-11-26T03:14:01Z
source: APNIC
person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: jianping@CERNET.EDU.CN
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
Out of this registry.
Host | A Record | TTL |
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Host | MX Record | Priority | TTL |
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Host | NS Record | TTL |
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Host | TXT Record | TTL |
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Last tested: 10/30/2015
Total Resources | 15 |
Number of Hosts | 5 |
Static Resources | 11 |
JavaScript Resources | 2 |
CSS Resources | 1 |
Last tested: 10/30/2015
Total Resources | 39 |
Number of Hosts | 6 |
Static Resources | 31 |
JavaScript Resources | 5 |
CSS Resources | 3 |