ustc.edu.cn - 中国科学技术大学

Ustc.edu.cn Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.62 sec.

Last Checked: 04/26/2024

Ustc.edu.cn traffic estimate is about 38,299 unique visitors and 190,729 pageviews per day. The approximated value of ustc.edu.cn is 2,509,740 USD. Every unique visitor makes about 4.98 pageviews on average.

Alexa Traffic Rank estimates that ustc.edu.cn is ranked number 4,055 in the world, while most of its traffic comes from China, where it occupies as high as 434 place.

It’s good for ustc.edu.cn that their hosting company CNGI-HEF-IX-AS-AP CERNET2 IX at University of Science and Technology of China, CN is located in China, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by CNGI-HEF-IX-AS-AP CERNET2 IX at University of Science and Technology of China, CN.

Ustc.edu.cn is registered under .CN top-level domain. Check other websites in .CN zone.

During the last check (November 28, 2019) ustc.edu.cn has an expired SSL certificate issued by Let's Encrypt (expired on February 01, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Symantec and Web of Trust ustc.edu.cn is pretty a safe domain.

Relying on Google Mobile-Friendly test ustc.edu.cn is well optimized for mobile and tablet devices, however website page loading time may be improved.

Ustc.edu.cn General Information

Ustc.edu.cn Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
China CN	91.7%
Japan JP	2.8%
United States US	1.5%
India IN	0.8%
Other	3.1%

Country	Rank
China CN	434
Japan JP	9654
India IN	27137
United States US	34079

Ustc.edu.cn Traffic Distribution

Where do visitors go on ustc.edu.cn?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
email.ustc.edu.cn	13.01%
mail.ustc.edu.cn	8.23%
ustc.edu.cn	7.4%
wlt.ustc.edu.cn	6.91%
yjs.ustc.edu.cn	6.18%
mirrors.ustc.edu.cn	5.34%
staff.ustc.edu.cn	3.61%
teach.ustc.edu.cn	3.36%
lib.ustc.edu.cn	3.31%
other	42.67%

Subdomain	Views per User
sf.ustc.edu.cn	8
tqms.ustc.edu.cn	8
email.ustc.edu.cn	4
dsxt.ustc.edu.cn	3.7
math.ustc.edu.cn	3.5
hfnl.ustc.edu.cn	3
yz.ustc.edu.cn	3
job.ustc.edu.cn	3
mail.ustc.edu.cn	2.9
lib.ustc.edu.cn	2.8
other	1.66

Subdomain	Reach
ustc.edu.cn	17.21%
email.ustc.edu.cn	16.41%
wlt.ustc.edu.cn	14.42%
mail.ustc.edu.cn	14.1%
yjs.ustc.edu.cn	12.79%
passport.ustc.edu.cn	11.64%
mirrors.ustc.edu.cn	10.87%
staff.ustc.edu.cn	7.61%
bbs.ustc.edu.cn	6.34%
teach.ustc.edu.cn	6.26%
other	65.08%

Ustc.edu.cn Popularity

How popular is ustc.edu.cn?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	3484	454
past month	3670	413
past week	2349	-2070
yesterday	1837	-451

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	2782	492	263	-20.6%	4.98	-8.958%
30	2910	211	251	-7.52%	5	6%
7	1668	-2176	422	110%	5.7	30%
1	1472	-474	50	30%	5	10%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	4092	324	196	-12.74%
30	4344	572	180	-12.87%
7	2873	-2256	270	69%
1	2223	-405	350	20%

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Ustc.edu.cn Safety Information

Rankchart Summary

Unknown

Updated: 04/26/2024

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 03/21/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Unknown

Updated: 04/26/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/22/2021

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McAfee assesses ustc.edu.cn for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ustc.edu.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/09/2019

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The WOT calculates reputation of the ustc.edu.cn. This reputation system receives ratings from users and information from third-party sources, assesses the ustc.edu.cn for safety features and confirms, whether ustc.edu.cn is suitable for children.

Ustc.edu.cn SSL Information

Information about SSL/TLS certificates

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Domain	ustc.edu.cn
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	11/03/2019
Expiration	02/01/2020
Signed	Certificate is not self signed
Additional Domains	ustc.edu.cn

SSL Checker

Ustc.edu.cn Server Information

Ustc.edu.cn Server Location

Where website hosting server is located?

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Ustc.edu.cn ASN Information

Information about IP address owner

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ASN ID: 24362

ASN Title: CNGI-HEF-IX-AS-AP CERNET2 IX at University of Science and Technology of China, CN

Updated: 10/02/2023

Raw ASN data:

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS23552 - AS24575'

as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS24298 - AS24400'

as-block: AS24298 - AS24400
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS24362'

% Abuse contact for 'AS24362' is 'abuse@net.edu.cn'

aut-num: AS24362
as-name: CNGI-HEF-IX-AS-AP
descr: CERNET2 IX at University of Science and Technology of China
descr: CERNET Center
descr: Beijing 100084, China
country: CN
import: from AS23910
action pref=10;
accept ANY
import: from AS4538
action pref=10;
accept ANY
export: to AS23910
announce ANY
export: to AS4538
announce ANY
default: to AS23910
action pref=10;
networks ANY
admin-c: CER-AP
tech-c: CER-AP
remarks: Multihome member of CERNET
mnt-by: APNIC-HM
mnt-irt: IRT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-lower: MAINT-CERNET-AP
last-modified: 2019-06-09T22:41:35Z
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

role: CERNET Helpdesk
address: Room 224, Main Building
address: Tsinghua University
address: Beijing 100084, China
country: CN
phone: +86-10-6278-4049
fax-no: +86-10-6278-5933
e-mail: cernet-helpdesk-ip@net.edu.cn
remarks: abuse@net.edu.cn
admin-c: XL1-CN
tech-c: SZ2-AP
nic-hdl: CER-AP
remarks: Point of Contact for admin-c
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-06T00:10:30Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-47 (WHOIS-US4)

Geolocation

ASN Lookup

Ustc.edu.cn Domain Name Information

Ustc.edu.cn DNS Information

Domain name service records

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Host	A Record	TTL
ustc.edu.cn	202.38.64.246	3600

Host	MX Record	Priority	TTL
ustc.edu.cn	smtp.ustc.edu.cn	10	3600
ustc.edu.cn	smtp2.ustc.edu.cn	10	3600
ustc.edu.cn	smtp1.ustc.edu.cn	5	3600

Host	NS Record	TTL
ustc.edu.cn	mx.ustc.edu.cn	3600
ustc.edu.cn	ns.ustc.edu.cn	3600

Host	TXT Record	TTL
ustc.edu.cn	google-site-verification=n_uAijUqmjntOJL0L8N4SIIdw_3cAngmXFBIYgIDNkg	3600
ustc.edu.cn	v=spf1 ip4:202.38.64.8 ip4:202.38.64.16 ip4:202.38.64.46 ip4:202.141.160.8 ip4:222.195.68.193 ip4:202.141.161.73 ip4:195.128.10.69 ip6:2001:da8:d800::8 ip6:2001:da8:d800::46 ~all	3600
ustc.edu.cn	MS=ms26813611	3600

Ustc.edu.cn Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ustc.edu.cn HTML Validation

Ustc.edu.cn W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Attribute “sudy-wp-context” not allowed on element “script” at this point.

Attribute “sudy-wp-siteid” not allowed on element “script” at this point.

Attribute “oldsrc” not allowed on element “script” at this point.

Attribute “oldid” not allowed on element “script” at this point.

Attribute “ignoreapd” not allowed on element “script” at this point.

Attribute “oldsrc” not allowed on element “link” at this point.

Attribute “oldid” not allowed on element “link” at this point.

Attribute “ignoreapd” not allowed on element “link” at this point.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “object” is missing one or more of the following attributes: “data”, “type”.

The “classid” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “classid”, use the “param” element.

The “codebase” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “codebase”, use the “param” element.

Stray end tag “embed”.

Attribute “frag” not allowed on element “div” at this point.

Attribute “frag” not allowed on element “ul” at this point.

Attribute “portletmode” not allowed on element “ul” at this point.

Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Stray start tag “img”.

Cannot recover after last error. Any further errors will be ignored.

Warnings:

Consider avoiding viewport values that prevent users from resizing documents.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Empty heading.

HTML Validator

Ustc.edu.cn Desktop Performance

How Well Ustc.edu.cn Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

79%

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Enable compression

Minify HTML

Updated: 07/10/2016

Ustc.edu.cn Mobile Performance

How Optimized Is Ustc.edu.cn for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

100%

Updated: 07/10/2016

Ustc.edu.cn Nearest Competitors

Estimated Nearest Competitors Of Ustc.edu.cn

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aamc.org
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shinyapps.io
mouser.com
google.kz
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tripsavvy.com
n**********r.com
ustc.edu.cn
r********t.com
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hurriyetdailynews.com
discover.com
chicago.gov
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google.bs
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ottawacitizen.com
swarthmore.edu
indiebound.org

Ustc.edu.cn URL Typos

Most common user URL mistypes for ustc.edu.cn

www.ustc.com
www.ustc.net
www.ustc.org
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www.ustc.biz
www.ustc.us
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www.stc.edu.cn
www.ustc.edu.cn
www.ystc.edu.cn
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www.ustv.edu.cn
www.ustcv.edu.cn
www.ustvc.edu.cn

Total Resources	25
Number of Hosts	6
Static Resources	22
JavaScript Resources	3

Images	87.1 KBytes
HTML	33.0 KBytes
JavaScript	292.5 KBytes

Total Resources	24
Number of Hosts	4
Static Resources	19
JavaScript Resources	5
CSS Resources	1

CSS	135.7 KBytes
Images	482.0 KBytes
HTML	64.7 KBytes
JavaScript	374.3 KBytes

Ustc.edu.cn 中国科学技术大学

Ustc.edu.cn Quick Summary

Ustc.edu.cn General Information

Ustc.edu.cn Audience Geography

Ustc.edu.cn Traffic Distribution

Ustc.edu.cn Popularity

Ustc.edu.cn Safety Information

Ustc.edu.cn SSL Information

Ustc.edu.cn Server Information

Ustc.edu.cn Server Location

Ustc.edu.cn ASN Information

Ustc.edu.cn Domain Name Information

Ustc.edu.cn DNS Information

Ustc.edu.cn Whois Information

Ustc.edu.cn HTML Validation

Ustc.edu.cn W3C HTML Markup Validation

Ustc.edu.cn Desktop Performance

How Well Ustc.edu.cn Performs On Desktops?

Ustc.edu.cn Mobile Performance

How Optimized Is Ustc.edu.cn for Mobile Devices?

Ustc.edu.cn Nearest Competitors

Estimated Nearest Competitors Of Ustc.edu.cn

Ustc.edu.cn URL Typos

Most common user URL mistypes for ustc.edu.cn