Keckobservatory.org W. M. Keck Observatory – The Keck Observatory telescopes on Maunakea in Hawaii, are the world’s largest optical and infrared telescopes. Keck Observatory's vision is to advance the frontiers of astronomy and share our discoveries with the world.

The Keck Observatory telescopes on Maunakea in Hawaii, are the world’s largest optical and infrared telescopes. Keck Observatory's vision is to advanc...

Keckobservatory.org Overview

out of 100 on desktop and 16 out of 100 on mobile

Google Safe Browsing: No unsafe content found

SSL certificate: Yes, valid and up-to-date

Site structure:

The Keck Observatory website has a clean and easy-to-navigate design. The main menu is located at the top of the page, and it contains links to different sections of the site such as About, Science, Observatories, News & Events, and Education. At the center of the page, there is a large banner with an image of the telescope, followed by a brief introduction to the site and a link to donate to the observatory.

The homepage also features a section with recent news and events, as well as links to the Keck Observatory's social media pages. Additionally, there is a sidebar on the right-hand side of the page that contains links to popular sections of the site, upcoming events, and featured articles.

The About section provides information about the history of the Keck Observatory, its mission, and its facilities. The Science section provides detailed information about the research being conducted at the observatory, while the Observatories section has information about the different telescopes and instruments used by the observatory. The News & Events section features the latest news and events happening at the Keck Observatory, while the Education section provides resources for educators and students.

Overall, the Keck Observatory website provides visitors with a wealth of information about the observatory, its mission, and its research. The site is easy to navigate, and the clean design makes it easy to find the information that you are looking for. However, the low PageSpeed Insight scores indicate that the site may load slowly, which could impact the user experience.

Keckobservatory.org Rank Summary

Global Rank

929,664

Average Load Time

0.72sec

Links In Count

739

Website Value

$5,846

Audience Geography. Where are keckobservatory.org visitors located?

Country	Visitors
United States US	65.4%
Other	33.7%

Country	Pageviews
United States US	59.3%
Other	40.2%

Country	Rank
United States US	227870

Where do visitors go on keckobservatory.org?

Subdomain	Pageviews
keckobservatory.org	100%

Subdomain	Pageviews per User
keckobservatory.org	3

Subdomain	Reach
keckobservatory.org	100%

How popular is keckobservatory.org?

Period	Global Rank	Global Rank Delta
past 3 months	929664	-93815
past month	768027	-306829
past week	1118114	-159986

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	987838	-294029	3	50%	2.5	40%
30	743866	-388078	4	80%	3	20%
7	1046834	-66134	3	9%	3	-13.13%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	958322	-6678	41	4%
30	835615	-298484	5	50%
7	1221007	-301825	3	30%

Keckobservatory.org Website Safety

Overview

Last Updated: 10/05/2025

Overall result - keckobservatory.org 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: 02/08/2025

keckobservatory.org is safe.

Norton ConnectSafe evaluates keckobservatory.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/16/2017

keckobservatory.org is safe.

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Google Safe Browsing

Last Updated: 01/09/2019

keckobservatory.org is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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Site Advisor

Last Updated: 01/31/2021

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McAfee assesses keckobservatory.org 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 keckobservatory.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

keckobservatory.org child safety is very good.

The WOT calculates reputation of the keckobservatory.org. This reputation system receives ratings from users and information from third-party sources, assesses the keckobservatory.org for safety features and confirms, whether keckobservatory.org is suitable for children.

SSL Information

SSL Checker Tool

Domain	keckobservatory.org
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	07/05/2024
Expiration	10/03/2024
Signed	Certificate is not self signed
Additional Domains	keckobservatory.org www.keckobservatory.org

Keckobservatory.org Rank History

Alexa Rank shows how popular keckobservatory.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If keckobservatory.org 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 keckobservatory.org and pageviews on keckobservatory.org over the past 3 months.

Keckobservatory.org Hosting Information

Server Location

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ASN Information

ASN Lookup Tool

ASN ID: 20473

ASN Title: AS-CHOOPA - Choopa, LLC, US

Last Update: 08/25/2025

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# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
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# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
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ASNumber: 20473
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RAbuseHandle: ABUSE1143-ARIN
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# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
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Keckobservatory.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: keckobservatory.org
Registry Domain ID: e131c87eea3a45c1b05cbd9937f40f7a-LROR
Registrar WHOIS Server: whois.webcentralgroup.com.au
Registrar URL: http://www.melbourneit.com.au
Updated Date: 2025-01-09T21:19:37Z
Creation Date: 2002-03-08T00:22:51Z
Registry Expiry Date: 2025-03-08T00:22:51Z
Registrar: Netregistry Wholesale Pty Ltd
Registrar IANA ID: 13
Registrar Abuse Contact Email: abuse@melbourneit.com.au
Registrar Abuse Contact Phone: +61.386242300
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Data Protected
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: HI
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
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Name Server: ns3-03.azure-dns.org
Name Server: ns1-03.azure-dns.com
Name Server: ns2-03.azure-dns.net
Name Server: ns4-03.azure-dns.info
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2025-01-10T16:00:21Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
keckobservatory.org	192.237.169.120	300

Host	MX Record	Priority	TTL
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Host	NS Record	TTL
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Host	TXT Record	TTL
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keckobservatory.org	v=spf1 mx include:cmail1.com ~all	300

dns1.stabletransit.com
TTL: 300
Email address: ipadmin.stabletransit.com
Serial: 1651281615
Refresh: 3600
Retry: 300
Expire: 1814400
Minimum: 300

Keckobservatory.org HTML Check

HTML Validation Tool

Errors

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.

Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Warnings

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Keckobservatory.org Desktop Performance

Last tested: 09/19/2015

Desktop Speed

59%

Enable compression

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Minify CSS

Minify JavaScript

Optimize images

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	42
Number of Hosts	12
Static Resources	36
JavaScript Resources	16
CSS Resources	6

Keckobservatory.org Mobile Insights

Last tested: 06/29/2019

Mobile Usability

94%

Size tap targets appropriately

Mobile Speed

34%

Optimize images

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Minify HTML

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	50
Number of Hosts	10
Static Resources	29
JavaScript Resources	10
CSS Resources	7

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Keckobservatory.org W. M. Keck Observatory – The Keck Observatory telescopes on Maunakea in Hawaii, are the world’s largest optical and infrared telescopes. Keck Observatory's vision is to advance the frontiers of astronomy and share our discoveries with the world.

The Keck Observatory telescopes on Maunakea in Hawaii, are the world’s largest optical and infrared telescopes. Keck Observatory's vision is to advanc...

Keckobservatory.org Overview

Keckobservatory.org Rank Summary

Keckobservatory.org Website Safety

Keckobservatory.org Rank History

Keckobservatory.org Hosting Information

Keckobservatory.org Domain Registration and Settings

Keckobservatory.org HTML Check

Keckobservatory.org Desktop Performance

Keckobservatory.org Mobile Insights

Keckobservatory.org Similar Audits

Keckobservatory.org Common Typos