Core.ac.uk CORE – Aggregating the world’s open access research papers
The world’s largest collection of open access research papers
Server IP address resolved: Yes
Http response code: 200
Response time: 0.86 sec.
Last Checked: 02/03/2023
Over the time core.ac.uk has been ranked as high as 1,881 in the world, while most of its traffic comes from China, where it reached as high as 5,056 position.
Core.ac.uk receives about 67,177 unique visitors and 73,223 pageviews per day. The estimated value of core.ac.uk is 959,220 USD. Each unique visitor makes about 1.09 pageviews on average.
Core.ac.uk is registered under .UK top-level domain. Check other websites in .UK zone.
At the time of the last check (November 28, 2019) core.ac.uk has an expired wildcard SSL certificate issued by QuoVadis Limited (expired on April 04, 2021). Check other websites using SSL certificates issued by QuoVadis Limited.
According to Google Safe Browsing, Google Safe Search and Symantec core.ac.uk is quite a safe domain.
Mobile-Friendly test indicates that core.ac.uk is well optimized for mobile and tablet devices, however website page loading time could be improved.
Audience Geography. Where are core.ac.uk visitors located?
| Country | Rank |
|---|---|
 Ethiopia ET | 288 |
| Indonesia ID | 876 |
| Angola AO | 985 |
| Malaysia MY | 1070 |
| South Africa ZA | 1219 |
| Philippines PH | 1236 |
| Nigeria NG | 1449 |
| Peru PE | 1539 |
| Pakistan PK | 2765 |
| Sudan SD | 2947 |
| Colombia CO | 3227 |
| India IN | 3898 |
| Country | Percent of Pageviews |
|---|---|
| China CN | 12.3% |
| India IN | 9.5% |
| Indonesia ID | 9.1% |
| Angola AO | 7.5% |
| United States US | 5% |
| Japan JP | 4.5% |
| Malaysia MY | 3.4% |
| South Africa ZA | 3.2% |
| United Kingdom GB | 2.5% |
| Other | 43.2% |
| Country | Percent of Visitors |
|---|---|
| China CN | 12.6% |
| India IN | 9.5% |
| Indonesia ID | 8.5% |
| Angola AO | 7.9% |
| United States US | 5.1% |
| Japan JP | 4.4% |
| South Africa ZA | 3.3% |
| Malaysia MY | 3.2% |
| Nigeria NG | 2.4% |
| Other | 43.4% |
Where do visitors go on core.ac.uk?
| Subdomain | Pageviews |
|---|---|
| core.ac.uk | 99.96% |
| other | 0.05% |
| Subdomain | Pageviews per User |
|---|---|
| core.ac.uk | 1.08 |
| Subdomain | Reach |
|---|---|
| core.ac.uk | 99.96% |
How popular is core.ac.uk?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 6719 | -7243 | 122 | 99% |
| 30 | 4458 | -3236 | 179 | 67% |
| 7 | 3585 | -291 | 220 | 10% |
| 1 | 3873 | 639 | 210 | -15.5% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 19791 | -17026 | 361 | 99% | 1.09 | 0% |
| 30 | 14055 | -8673 | 531 | 69% | 1.08 | 0.9% |
| 7 | 11350 | -911 | 67 | 10% | 1.1 | 0% |
| 1 | 12526 | 1809 | 64 | -17.27% | 1.1 | -1.82% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 9481 | -9497 |
| past month | 6379 | -4445 |
| past week | 5047 | -504 |
| yesterday | 5505 | 929 |
Alexa Rank shows how popular core.ac.uk is in comparison with other sites. The most popular site has Alexa Rank equals 1. If core.ac.uk 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 core.ac.uk and pageviews on core.ac.uk 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 core.ac.uk 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.
"core.ac.uk" is not a phishing page.
"core.ac.uk" does not install unwanted software.
"core.ac.uk" 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 core.ac.uk 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 core.ac.uk for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the core.ac.uk. This reputation system receives ratings from users and information from third-party sources, assesses the core.ac.uk for safety features and confirms, whether core.ac.uk is suitable for children.
| Domain | *.core.ac.uk |
| Issuer Organization | QuoVadis Limited |
| Issuer | QuoVadis Global SSL ICA G3 |
| Algorithm | RSA-SHA256 |
| Valid form | 04/04/2019 |
| Expiration | 04/04/2021 |
| Signed | Certificate is not self signed |
| Additional Domains | *.core.ac.uk core.ac.uk |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 10/04/2023
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
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#
# If you see inaccuracies in the results, please report at
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain name:
ac.uk
Registrant:
The JNT Association
Registrant type:
Other
Registrant's address:
Lumen House
Library Avenue
Harwell
Didcot
OX11 OSG
GB
Registrar:
No registrar listed. This domain is directly registered with Nominet.
Relevant dates:
Registered on: before Aug-1996
Registration status:
No registration status listed.
Name servers:
ns0.ja.net.
ns2.ja.net.
ns3.ja.net.
ns4.ja.net.
auth03.ns.uu.net.
ns1.surfnet.nl.
dns-3.dfn.de.
WHOIS lookup made at 18:47:04 02-May-2021
--
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2021.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
| Host | A Record | TTL |
|---|---|---|
| core.ac.uk | 99.81.75.219 | 3600 |
| core.ac.uk | 99.81.65.242 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| core.ac.uk | core-ac-uk.mail.protection.outlook.com | 0 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| core.ac.uk | nse-1.open.ac.uk | 3600 |
| core.ac.uk | nse-2.open.ac.uk | 3600 |
| core.ac.uk | nse-0.open.ac.uk | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| core.ac.uk | v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com ip4:137.108.170.149 ip4:137.108.170.117 ip4:137.108.170.115 ip4:137.108.232.16 ip4:137.108.232.17 ip4:52.17.253.168 ip4:54.171.205.255 -all | 3600 |
| core.ac.uk | CC013172-C797-4C59-8252-135EE277A6C7 | 3600 |
nse-0.open.ac.uk
TTL: 3600
Email address: hostmaster.open.ac.uk
Serial: 484839460
Refresh: 1200
Retry: 180
Expire: 1209600
Minimum: 3600
Last tested: 09/06/2016
| Total Resources | 19 |
| Number of Hosts | 4 |
| Static Resources | 15 |
| JavaScript Resources | 5 |
| CSS Resources | 4 |
Last tested: 06/06/2017
| Total Resources | 41 |
| Number of Hosts | 3 |
| Static Resources | 38 |
| JavaScript Resources | 3 |
| CSS Resources | 3 |
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