Caltech.edu Home | www.caltech.edu

The California Institute of Technology aims to expand human knowledge and benefit society through research integrated with education.


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.24 sec.
Last Checked: 10/10/2024

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.

Caltech.edu registered under .EDU top-level domain. Check other websites in .EDU zone.

The last verification results, performed on (November 28, 2019) caltech.edu show that caltech.edu has an expired SSL certificate issued by Internet2 (expired on April 15, 2020). 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.


Global Rank
8,163
Average Load Time
1.11sec
Links In Count
22,263
Website Value
$1.1 M

Overview
Last Updated: 10/10/2024
Overall result - caltech.edu is safe.
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
Last Updated: 03/21/2024
caltech.edu is safe.
Norton ConnectSafe evaluates caltech.edu for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/11/2016
caltech.edu is safe.
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.
Google Safe Browsing
Last Updated: 01/09/2019
caltech.edu is safe.
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.
Site Advisor
Last Updated: 02/22/2021
caltech.edu is safe.
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.
Web of Trust
Last Updated: 01/09/2019
caltech.edu child safety is very good.
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.

SSL Information
Domainweb.caltech.edu
Issuer OrganizationInternet2
IssuerInCommon RSA Server CA
AlgorithmRSA-SHA256
Valid form04/16/2018
Expiration04/15/2020
SignedCertificate is not self signed
Additional Domains web.caltech.edu
caltech.edu
odb.acs.caltech.edu
www.cco.caltech.edu
www.its.caltech.edu
www.web.caltech.edu
Server Location

ASN Information

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.
#

WHOIS

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


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 06/13/2016

Desktop
Desktop Speed
58%

Desktop Resource Breakdown
Total Resources96
Number of Hosts11
Static Resources65
JavaScript Resources22
CSS Resources23

Last tested: 12/03/2019

Mobile
Mobile Usability
99%
Mobile Speed
58%

Mobile Resource Breakdown
Total Resources142
Number of Hosts9
Static Resources39
JavaScript Resources20
CSS Resources4
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