Crl.edu Center for Research Libraries
The Center for Research Libraries (CRL) is an international consortium of university, college, and independent research libraries. Founded in 1949, CR...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.55 sec.
Last Checked: 03/27/2025
Crl.edu traffic volume is 516 unique daily visitors and their 1,599 pageviews. The web value rate of crl.edu is 18,746 USD. Each visitor makes around 3.32 page views on average.
By Alexa's traffic estimates crl.edu placed at 22,700 position over the world, while the largest amount of its visitors comes from United States, where it takes 259,120 place.
Perfect for crl.edu that their data center (provided by company company FASTLY - Fastly, US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by FASTLY - Fastly, US.
Crl.edu registered under .EDU top-level domain. Check other websites in .EDU zone.
The last verification results, performed on (February 13, 2023) crl.edu show that crl.edu has an expired SSL certificate issued by Let's Encrypt (expired on March 20, 2023). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust crl.edu is pretty a safe domain.
Relying Google MobileFriendly test crl.edu is well optimized for mobile and tablet devices.
Audience Geography. Where are crl.edu visitors located?
| Country | Visitors |
|---|---|
 United States US | 28.9% |
| Other | 70.4% |
| Country | Pageviews |
|---|---|
| United States US | 42.7% |
| Other | 57.3% |
| Country | Rank |
|---|---|
| United States US | 259120 |
Where do visitors go on crl.edu?
| Subdomain | Pageviews |
|---|---|
| dds.crl.edu | 38.25% |
| crl.edu | 10.32% |
| other | 51.44% |
| Subdomain | Pageviews per User |
|---|---|
| dds.crl.edu | 10 |
| crl.edu | 1 |
| Subdomain | Reach |
|---|---|
| crl.edu | 37.86% |
| dds.crl.edu | 19.29% |
How popular is crl.edu?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 444971 | -272834 |
| past month | 514861 | 147002 |
| past week | 678848 | 221456 |
| yesterday | 358752 | 0 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 439189 | -424595 | 8 | 150% | 3.1 | 50% |
| 30 | 377338 | -20735 | 1 | 6% | 5 | 100% |
| 7 | 531419 | 239641 | 7 | -57.026% | 4 | -34.49% |
| 1 | 280473 | 0 | 2 | 0% | 4 | 0% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 477990 | -218720 | 97 | 60% |
| 30 | 626875 | 242973 | 7 | -47.07% |
| 7 | 803924 | 196249 | 5 | -34.53% |
| 1 | 452216 | 0 | 1 | 0% |
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 crl.edu 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.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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 crl.edu 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 crl.edu for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the crl.edu. This reputation system receives ratings from users and information from third-party sources, assesses the crl.edu for safety features and confirms, whether crl.edu is suitable for children.
| Domain | crl.edu |
| Issuer Organization | Let's Encrypt |
| Issuer | R3 |
| Algorithm | RSA-SHA256 |
| Valid form | 12/20/2022 |
| Expiration | 03/20/2023 |
| Signed | Certificate is not self signed |
| Additional Domains |
crl.edu www.crl.edu |
ASN ID: 54113
ASN Title: FASTLY - Fastly, US
Last Update: 07/31/2024
#
# 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
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 54113
ASName: FASTLY
ASHandle: AS54113
RegDate: 2011-10-04
Updated: 2012-03-02
Comment: http://www.fastly.com/
Ref: https://rdap.arin.net/registry/autnum/54113
OrgName: Fastly
OrgId: SKYCA-3
Address: PO Box 78266
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2011-09-16
Updated: 2017-03-30
Ref: https://rdap.arin.net/registry/entity/SKYCA-3
OrgNOCHandle: FNO19-ARIN
OrgNOCName: Fastly Network Operations
OrgNOCPhone: +1-415-404-9374
OrgNOCEmail: noc@fastly.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FNO19-ARIN
OrgTechHandle: FRA19-ARIN
OrgTechName: Fastly RIR Administrator
OrgTechPhone: +1-415-404-9374
OrgTechEmail: rir-admin@fastly.com
OrgTechRef: https://rdap.arin.net/registry/entity/FRA19-ARIN
OrgAbuseHandle: ABUSE4771-ARIN
OrgAbuseName: Abuse Account
OrgAbusePhone: +1-415-496-9353
OrgAbuseEmail: abuse@fastly.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4771-ARIN
#
# 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
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
This Registry database contains ONLY .EDU domains.
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or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
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the transmission of unsolicited commercial advertising or
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domain names.
-------------------------------------------------------------
Domain Name: CRL.EDU
Registrant:
The Center For Research Libraries
6050 S. Kenwood
Chicago, IL 60637
USA
Administrative Contact:
Domain Admin
The Center For Research Libraries
6050 S. Kenwood
Chicago, IL 60637
USA
+1.17739554545341
xiap@crl.edu
Technical Contact:
Domain Admin
The Center For Research Libraries
6050 S. Kenwood
Chicago, IL 60637
USA
+1.17739554545341
xiap@crl.edu
Name Servers:
NS2.ILLINOIS.NET
NS1.ILLINOIS.NET
Domain record activated: 24-Aug-1993
Domain record last updated: 04-Jun-2024
Domain expires: 31-Jul-2025
| Host | A Record | TTL |
|---|---|---|
| crl.edu | 209.175.55.102 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| crl.edu | d132599a.ess.barracudanetworks.com | 0 | 3600 |
| crl.edu | crl-edu.mail.protection.outlook.com | 40 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| crl.edu | ns2.illinois.net | 3600 |
| crl.edu | ns1.illinois.net | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| crl.edu | MS=71EBEC6EFED6C7DD277C0BBD7BB7A26E1C9C7FDA | 3600 |
| crl.edu | MS=a5ead6d528f3ddd7675211371528ff56 | 3600 |
| crl.edu | v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:34.237.18.20 ip4:52.44.206.75 ip4:209.175.55.103 a mx include:_spf.salesforce.com include:e2ma.net ~all | 3600 |
| crl.edu | cKjHG/9kWKxwugMEimfkypyknDlk2cb0rT7ab8j7nEiW+meZfkKPPQGiJ45tJhPNo0S32oCr2CqPmEJj8HZqIQ== | 3600 |
ns1.illinois.net
TTL: 3600
Email address: DoIT.ICN.MSA1Hostmaster.Illinois.gov
Serial: 2018120300
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 600
Last tested: 05/16/2017
| Total Resources | 28 |
| Number of Hosts | 5 |
| Static Resources | 22 |
| JavaScript Resources | 9 |
| CSS Resources | 6 |
Last tested: 05/11/2017
| Total Resources | 28 |
| Number of Hosts | 5 |
| Static Resources | 22 |
| JavaScript Resources | 9 |
| CSS Resources | 6 |
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