Las.ac.cn 中国科学院知识服务平台
Server IP address resolved: Yes
Http response code: 200
Response time: 3.00 sec.
Last Checked: 01/23/2023
Over the time las.ac.cn has been ranked as high as 4,762 in the world, while most of its traffic comes from China, where it reached as high as 7,793 position.
Las.ac.cn receives about 2,008 unique visitors and 9,438 pageviews per day. The estimated value of las.ac.cn is 166,440 USD. Each unique visitor makes about 4.7 pageviews on average.
Las.ac.cn is registered under .CN top-level domain. Check other websites in .CN zone.
At the time of the last check (May 04, 2024) las.ac.cn has an invalid SSL certificate.
According to Google Safe Browsing, Google Safe Search and Symantec las.ac.cn is quite a safe domain.
Mobile-Friendly test indicates that las.ac.cn is well optimized for mobile and tablet devices, however website page loading time could be improved.
Audience Geography. Where are las.ac.cn visitors located?
| Country | Rank |
|---|---|
 China CN | 7793 |
| Country | Percent of Pageviews |
|---|---|
| China CN | 99.4% |
| Other | 0.6% |
| Country | Percent of Visitors |
|---|---|
| China CN | 98% |
| Other | 2% |
Where do visitors go on las.ac.cn?
| Subdomain | Pageviews |
|---|---|
| las.ac.cn | 52.67% |
| dpaper.las.ac.cn | 16.05% |
| opac.las.ac.cn | 7.26% |
| other | 24.02% |
| Subdomain | Pageviews per User |
|---|---|
| dpaper.las.ac.cn | 6 |
| las.ac.cn | 4.1 |
| opac.las.ac.cn | 2 |
| Subdomain | Reach |
|---|---|
| las.ac.cn | 60.8% |
| opac.las.ac.cn | 16.88% |
| dpaper.las.ac.cn | 11.87% |
How popular is las.ac.cn?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 80160 | 31894 | 87 | -44.98% |
| 30 | 80119 | 7717 | 87 | -10.73% |
| 7 | 65080 | -37749 | 11 | 70% |
| 1 | 1229435 | 1138062 | 2 | -97.362% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 55899 | 22880 | 11 | -46.71% | 4.7 | -3.12% |
| 30 | 55361 | -124 | 11 | -0.18% | 4.7 | 10% |
| 7 | 37623 | -48773 | 18 | 200% | 6 | 60% |
| 1 | 1365183 | 1270482 | 1 | -99.121% | 1 | -66.667% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 69228 | 27747 |
| past month | 68970 | 4906 |
| past week | 53285 | -39049 |
| yesterday | 1277472 | 1189120 |
Alexa Rank shows how popular las.ac.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If las.ac.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 las.ac.cn and pageviews on las.ac.cn over the past 3 months.
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 ConnectSafe evaluates las.ac.cn for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
"las.ac.cn" is not a phishing page.
"las.ac.cn" does not install unwanted software.
"las.ac.cn" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses las.ac.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 las.ac.cn for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the las.ac.cn. This reputation system receives ratings from users and information from third-party sources, assesses the las.ac.cn for safety features and confirms, whether las.ac.cn is suitable for children.
| WARNING! | Certificate download error. Previous scan results are shown below. |
| WARNING! | Las.ac.cn is not secured by SSL certificate. |
ASN ID: 7497
ASN Title: CSTNET-AS-AP Computer Network Information Center, CN
Last Update: 10/03/2023
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% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS7467 - AS7722'
as-block: AS7467 - AS7722
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 'AS7497'
% Abuse contact for 'AS7497' is 'ipas@cnnic.cn'
aut-num: AS7497
as-name: CSTNET-AS-AP
descr: Computer Network Information Center
descr: Chinese Academy of Science
descr: 4,4th South Street,Zhongguancun,Haidian District,Beijing, China ,P.O. Box 349 (100190)
country: CN
import: from AS4538 accept
import: from AS4789 accept
import: from AS4837 accept
import: from AS4847 accept
import: from AS9306 accept
import: from AS9389 accept
import: from AS9394 accept
import: from AS9406 accept
import: from AS9800 accept
import: from AS9808 accept
import: from AS3320 accept ANY
import: from AS3491 accept ANY
import: from AS6453 accept ANY
import: from AS10026 accept ANY
import: from AS7497:AS-CUSTOMERS accept
export: to AS4538 announce
export: to AS4789 announce
export: to AS4837 announce
export: to AS4847 announce
export: to AS9306 announce
export: to AS9389 announce
export: to AS9394 announce
export: to AS9406 announce
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export: to AS9808 announce
export: to AS3320 announce
export: to AS3491 announce
export: to AS6453 announce
export: to AS10026 announce
export: to AS7497:AS-CUSTOMERS announce ANY
export: to AS3320 announce
export: to AS3491 announce
export: to AS6453 announce
export: to AS10026 announce
admin-c: LH90-AP
tech-c: LH90-AP
mnt-lower: MAINT-CN-LIHONG
mnt-routes: MAINT-CN-CSTNET
mnt-by: MAINT-CN-CSTNET
mnt-irt: IRT-CNNIC-CN
last-modified: 2015-12-01T22:13:14Z
source: APNIC
irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC
person: Li Hong
nic-hdl: LH90-AP
e-mail: lihong@cstnet.net.cn
address: No.4, Zhongguancun 4th South Street, Haidian District, Beijing
phone: +86-10-58812000
fax-no: +86-10-58812900
country: CN
mnt-by: MAINT-CN-LIHONG
last-modified: 2008-09-04T07:29:19Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
Domain Name: las.ac.cn
ROID: 20021209s10071s00000955-cn
Domain Status: ok
Registrant: 中国科学院文献情报中心
Registrant Contact Email: liuh@mail.las.ac.cn
Sponsoring Registrar: 北京中科三方网络技术有限公司
Name Server: gate.las.ac.cn
Name Server: bib10.las.ac.cn
Registration Time: 1997-01-05 00:00:00
Expiration Time: 2028-07-01 00:00:00
DNSSEC: unsigned
| Host | A Record | TTL |
|---|---|---|
| las.ac.cn | 124.16.154.233 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| las.ac.cn | mail.las.ac.cn | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| las.ac.cn | dns1.csdl.net.cn | 3600 |
| las.ac.cn | gate.las.ac.cn | 3600 |
| las.ac.cn | bib10.las.ac.cn | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| las.ac.cn | LiYu | 3600 |
bib10.las.ac.cn
TTL: 3600
Email address: master.bib10.las.ac.cn
Serial: 2014011265
Refresh: 3600
Retry: 300
Expire: 2419200
Minimum: 14400
Last tested: 12/11/2019
| Total Resources | 63 |
| Number of Hosts | 4 |
| Static Resources | 54 |
| JavaScript Resources | 17 |
| CSS Resources | 6 |
Last tested: 05/21/2017
| Total Resources | 29 |
| Number of Hosts | 5 |
| Static Resources | 21 |
| JavaScript Resources | 5 |
| CSS Resources | 3 |
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