Caltech.edu Home | www.caltech.edu
The California Institute of Technology aims to expand human knowledge and benefit society through research integrated with education.
Server IP address resolved: Yes
Http response code: 200
Response time: 0.24 sec.
Last Checked: 11/17/2024
Caltech.edu traffic volume is 32,399 unique daily visitors and their 89,096 pageviews. The web value rate of caltech.edu is 1,166,963 USD. Each visitor makes around 2.94 page views on average.
By Alexa's traffic estimates caltech.edu placed at 880 position over the world, while the largest amount of its visitors comes from United States, where it takes 3,229 place.
Perfect for caltech.edu that their data center (provided by company company AMAZON-02 - Amazon.com, Inc., 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 AMAZON-02 - Amazon.com, Inc., US.
Caltech.edu registered under .EDU top-level domain. Check other websites in .EDU zone.
The last verification results, performed on (October 13, 2024) caltech.edu show that caltech.edu has a valid and up-to-date SSL certificate issued by Internet2 expiring on June 03, 2025. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Internet2.
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust caltech.edu is pretty a safe domain.
Relying Google MobileFriendly test caltech.edu is well optimized for mobile and tablet devices, however web page loading speed may be improved.
Audience Geography. Where are caltech.edu visitors located?
| Country | Visitors |
|---|---|
 United States US | 38.6% |
| China CN | 15.3% |
| India IN | 11.2% |
| Korea KR | 2.6% |
| United Kingdom GB | 2.3% |
| France FR | 2.2% |
| Japan JP | 2% |
| Germany DE | 1.8% |
| Australia AU | 1.6% |
| Other | 22.2% |
| Country | Pageviews |
|---|---|
| United States US | 47.5% |
| China CN | 13.7% |
| India IN | 8.7% |
| France FR | 2.4% |
| United Kingdom GB | 1.9% |
| Australia AU | 1.6% |
| Korea KR | 1.6% |
| Germany DE | 1.6% |
| Mexico MX | 1.5% |
| Other | 19.4% |
| Country | Rank |
|---|---|
| United States US | 3229 |
| Switzerland CH | 4077 |
| India IN | 4592 |
| South Africa ZA | 4825 |
| Nigeria NG | 4952 |
| Australia AU | 5449 |
| China CN | 5469 |
| Korea KR | 6070 |
| Mexico MX | 6620 |
| Philippines PH | 6669 |
| Pakistan PK | 6972 |
| France FR | 9320 |
Where do visitors go on caltech.edu?
| Subdomain | Pageviews |
|---|---|
| ipac.caltech.edu | 11.03% |
| feynmanlectures.caltech.edu | 6.01% |
| scedc.caltech.edu | 5.62% |
| library.caltech.edu | 5.36% |
| caltech.edu | 4.48% |
| skipper.caltech.edu | 3.89% |
| ligo.caltech.edu | 3.76% |
| access.caltech.edu | 2.67% |
| vision.caltech.edu | 2.65% |
| other | 54.59% |
| Subdomain | Pageviews per User |
|---|---|
| skipper.caltech.edu | 18 |
| crust.caltech.edu | 7.6 |
| enroll.caltech.edu | 7 |
| lists.caltech.edu | 7 |
| mycaltechhealth.caltech.edu | 6 |
| noir.caltech.edu | 5 |
| tccon-wiki.caltech.edu | 4.6 |
| housing.caltech.edu | 4 |
| help.caltech.edu | 4 |
| ahweb.caltech.edu | 4 |
| other | 2.06 |
| Subdomain | Reach |
|---|---|
| ipac.caltech.edu | 12.78% |
| library.caltech.edu | 11.4% |
| caltech.edu | 8.08% |
| scedc.caltech.edu | 7.81% |
| feynmanlectures.caltech.edu | 5.87% |
| cds.caltech.edu | 3.69% |
| vision.caltech.edu | 3.54% |
| its.caltech.edu | 3.26% |
| cms.caltech.edu | 3.12% |
| spitzer.caltech.edu | 2.7% |
| other | 50.76% |
How popular is caltech.edu?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 8163 | 1881 |
| past month | 8287 | 308 |
| past week | 8039 | 650 |
| yesterday | 10564 | 2170 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 9850 | 2521 | 763 | -28.3% | 2.75 | -5.172% |
| 30 | 10369 | 982 | 721 | -10.71% | 2.61 | -8.741% |
| 7 | 10613 | 1076 | 71 | -12.28% | 2.4 | -5.49% |
| 1 | 14749 | 2759 | 54 | -17.9% | 2.2 | 0% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 8140 | 1796 | 103 | -24.46% |
| 30 | 8139 | 96 | 102 | -2.15% |
| 7 | 7690 | 497 | 110 | -7.326% |
| 1 | 9928 | 1989 | 84 | -17.75% |
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 caltech.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 caltech.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 caltech.edu for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the caltech.edu. This reputation system receives ratings from users and information from third-party sources, assesses the caltech.edu for safety features and confirms, whether caltech.edu is suitable for children.
| Domain | caltech.edu |
| Issuer Organization | Internet2 |
| Issuer | InCommon RSA Server CA 2 |
| Algorithm | RSA-SHA384 |
| Valid form | 06/03/2024 |
| Expiration | 06/03/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
caltech.edu admissions.caltech.edu aphms.caltech.edu bbe.caltech.edu biology.caltech.edu brinsonhub.caltech.edu caltech.info caltech.net caltech.org cms.caltech.edu cns.caltech.edu csa.caltech.edu eands.caltech.edu eas.caltech.edu ee.caltech.edu einstein.caltech.edu finaid.caltech.edu galcit.caltech.edu gps.caltech.edu hpc.caltech.edu hss.caltech.edu imss.caltech.edu jobs.caltech.edu lncrna.caltech.edu mayo.caltech.edu mems.caltech.edu ogc.caltech.edu quarantine.caltech.edu registermydevice.caltech.edu spamtrap.caltech.edu srl.caltech.edu studaff.caltech.edu techer.caltech.edu vis.caltech.edu vision.caltech.edu www.csa.caltech.edu www.srl.caltech.edu www.techer.caltech.edu |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 07/16/2024
#
# 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: 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
#
# 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.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: CALTECH.EDU
Registrant:
California Institute of Technology
Information Management Systems and Services MS 1-10
1200 East California Boulevard
Pasadena, CA 91125
USA
Administrative Contact:
Domain Admin
California Institute of Technology
1200 E. California Blvd.
MS 1-10
Pasadena, CA 91125
USA
+1.6263953500
noc@caltech.edu
Technical Contact:
California Institute of Technology
1200 E. California Blvd.
MS 1-10
Pasadena, CA 91125
USA
+1.6263953500
noc@caltech.edu
Name Servers:
NS0239.SECONDARY.CLOUDFLARE.COM
NS0090.SECONDARY.CLOUDFLARE.COM
Domain record activated: 06-Jan-1986
Domain record last updated: 21-Aug-2024
Domain expires: 31-Jul-2027
| Host | A Record | TTL |
|---|---|---|
| caltech.edu | 52.26.125.194 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| caltech.edu | mx1.caltech.iphmx.com | 10 | 43200 |
| caltech.edu | mx2.caltech.iphmx.com | 10 | 43200 |
| Host | NS Record | TTL |
|---|---|---|
| caltech.edu | ns0090.secondary.cloudflare.com | 43200 |
| caltech.edu | ns0239.secondary.cloudflare.com | 43200 |
| Host | TXT Record | TTL |
|---|---|---|
| caltech.edu | 1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4 | 3600 |
| caltech.edu | MS=ms43712753 | 3600 |
| caltech.edu | Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow== | 3600 |
| caltech.edu | ZOOM_verify_a-Gb5-aqQgygEiKsnho63w | 3600 |
| caltech.edu | adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6 | 3600 |
| caltech.edu | amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE= | 3600 |
| caltech.edu | amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg= | 3600 |
| caltech.edu | apple-domain-verification=KD7b3wNXe76BHRAV | 3600 |
| caltech.edu | iContact1389932 | 3600 |
| caltech.edu | v=spf1 ip4:131.215.0.0/16 ip4:134.4.0.0/16 ip4:192.100.16.0/24 ip4:198.129.208.0/23 ip4:208.69.128.0/22 ip4:199.188.184.0/22 ip4:198.202.125.128/25 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:spf.dynect.net | 3600 |
ns0090.secondary.cloudflare.com
TTL: 900
Email address: hostmaster.caltech.edu
Serial: 2022893771
Refresh: 10800
Retry: 3600
Expire: 2592000
Minimum: 900
Last tested: 06/13/2016
| Total Resources | 96 |
| Number of Hosts | 11 |
| Static Resources | 65 |
| JavaScript Resources | 22 |
| CSS Resources | 23 |
Last tested: 12/03/2019
| Total Resources | 142 |
| Number of Hosts | 9 |
| Static Resources | 39 |
| JavaScript Resources | 20 |
| CSS Resources | 4 |
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