Calacademy.org California Academy of Sciences in San Francisco, CA

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

Calacademy.org Overview

/100

Desktop 63/100

Mobile 38/100

Structural Overview of calacademy.org

Calacademy.org is the official website of the California Academy of Sciences, located in San Francisco, CA. The website serves as an online gateway to one of the world's largest natural history museums, aquariums, and planetariums. The site has a clean and modern interface with an easy-to-use navigation menu, making it user-friendly for all users.

Homepage

When a user lands on the homepage, they are greeted by a large banner featuring high-quality images that showcase the museum's exhibits, programs, and events. Below the banner, the website has links to the museum's different attractions such as the aquarium, planetarium, and natural history museum. Users can use the search bar at the top-right of the page to search for specific information on the site. The homepage also features the museum's social media links.

Navigation

Calacademy.org has a well-organized navigation system with clear menus that guide users through different sections of the site. The top-level menu has links to different pages such as Exhibits, Programs, and About us. The submenu has drop-down links that allow users to access more detailed information on areas such as Membership, Calendar, and the museum's online store.

Content

The site's content is well-written, informative and structured, catering to both scientific professionals and visitors. The website features engaging, up-to-date information on museum programs, exhibits, and special events, making it easy for users to find what they need. The website blog and news sections are kept updated with dynamic content, making it an ideal platform for users to stay informed of the museum's activities.

Family-friendliness

The California Academy of Sciences is a family-friendly destination, and the website meets that expectation. The website is easy to navigate, and the interface and language used are suitable for people of all ages. The site has pages dedicated to families, providing age-appropriate activities, and educational resources to enhance learning and discovery.

Performance

Calacademy.org is hosted by Amazon, Inc. and has 3047 unique users per day and attracts 8836.3 page views daily. Although the website's Speed score is average at 49/100, it performs reasonably well on Desktop and mobile devices. The site value of calacademy.org is $157,680 US dollars.

In Conclusion, calacademy.org is an engaging website with high-quality content

Calacademy.org Rank Summary

Global Rank

76,066

Average Load Time

1.49sec

Links In Count

3,553

Website Value

$157,680

Audience Geography. Where are calacademy.org visitors located?

Country	Visitors
United States US	80.8%
India IN	2.9%
Denmark DK	1.1%
Philippines PH	1%
Other	14.2%

Country	Pageviews
United States US	80.6%
India IN	8.8%
Denmark DK	0.9%
Philippines PH	0.3%
Other	9.3%

Country	Rank
United States US	15898
Denmark DK	18019
Philippines PH	31515
India IN	72930

Where do visitors go on calacademy.org?

Subdomain	Pageviews
calacademy.org	63.33%
ticketing.calacademy.org	18.33%
researcharchive.calacademy.org	12.19%
libcat.calacademy.org	2.39%
links.calacademy.org	1.94%
other	1.82%

Subdomain	Pageviews per User
libcat.calacademy.org	5
researcharchive.calacademy.org	4.2
ticketing.calacademy.org	2.6
calacademy.org	2.2
links.calacademy.org	2

Subdomain	Reach
calacademy.org	86.83%
ticketing.calacademy.org	21.39%
researcharchive.calacademy.org	9.01%
links.calacademy.org	3.12%
libcat.calacademy.org	1.42%

How popular is calacademy.org?

Period	Global Rank	Global Rank Delta
past 3 months	76066	1638
past month	73122	1898
past week	79586	1288
yesterday	116562	4447

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	81532	1224	71	-0.819%	2.9	4%
30	76607	178	77	-1.74%	3.1	3%
7	72934	-12791	83	20%	3.8	30%
1	66088	-614	1	-4.929%	8	9%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	78763	2142	89	-4.25%
30	77042	2950	91	-4.748%
7	88928	7261	79	-8.745%
1	153379	4245	4	-12.64%

Calacademy.org Website Safety

Overview

Last Updated: 05/18/2025

Overall result - calacademy.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: 03/22/2025

calacademy.org is safe.

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

Google Safe Search

Last Updated: 02/10/2019

calacademy.org 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

calacademy.org 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: 02/23/2021

calacademy.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

calacademy.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.calacademy.org
Issuer Organization	Amazon
Issuer	Amazon RSA 2048 M03
Algorithm	RSA-SHA256
Valid form	07/10/2024
Expiration	08/07/2025
Signed	Certificate is not self signed
Additional Domains	*.calacademy.org calacademy.org

Calacademy.org Rank History

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

Calacademy.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 04/12/2025

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ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
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OrgAbuseHandle: AEA8-ARIN
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RTechHandle: AC6-ORG-ARIN
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RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
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# 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.
#

Calacademy.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: calacademy.org
Registry Domain ID: b4d9746ca1884a60a63313ca00bf45d3-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2024-05-06T04:44:16Z
Creation Date: 1993-04-30T04:00:00Z
Registry Expiry Date: 2034-05-01T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: FL
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
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Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns-1109.awsdns-10.org
Name Server: ns-1850.awsdns-39.co.uk
Name Server: ns-489.awsdns-61.com
Name Server: ns-754.awsdns-30.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-13T10:36:57Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
calacademy.org	34.215.189.90	60
calacademy.org	52.25.228.150	60

Host	MX Record	Priority	TTL
calacademy.org	aspmx.l.google.com	1	3600
calacademy.org	alt3.aspmx.l.google.com	10	3600
calacademy.org	alt4.aspmx.l.google.com	10	3600
calacademy.org	alt1.aspmx.l.google.com	5	3600
calacademy.org	alt2.aspmx.l.google.com	5	3600

Host	NS Record	TTL
calacademy.org	ns-1109.awsdns-10.org	3600
calacademy.org	ns-1850.awsdns-39.co.uk	3600
calacademy.org	ns-489.awsdns-61.com	3600
calacademy.org	ns-754.awsdns-30.net	3600

Host	TXT Record	TTL
calacademy.org	adobe-sign-verification=fa34a128a19a5e02f093ca521b759303	60
calacademy.org	bgwj4nvw5xxnnkvrlx8by64gvjq76m40	60
calacademy.org	box-domain-verification=94dc0506ab352d082daabecdaaf8b4e9216087e05015342de6358557aa337118	60
calacademy.org	bykfth635jj96hypd7fbsv56gzk18dm6	60
calacademy.org	cisco-ci-domain-verification=50077fac5e39bb798d6287ae365fa6eb0cffcc903eb4b342d800f144061f12be	60
calacademy.org	duo_sso_verification=bLGJBoRZn28fpgqA8htBdPks0TTQUOqHz6tj4YnJ3FLTJkLIWtIXmXDH3pMaUNGT	60
calacademy.org	google-site-verification=0LjEUxBIYcdkTYsXbMKvyRIdmvnwbSFfcQGWtP9PgCw	60
calacademy.org	google-site-verification=PD1NcWT5JputkYzhXUygcMjewX0qnBXH1qb_LHJLzhg	60
calacademy.org	google-site-verification=V5DFF_EfnCBZh7TWMfSrPSOsaDiqZRr0R3SCmmRq3_M	60
calacademy.org	google-site-verification=jJeeAH-B5_J84T8JUUJSuLDAWobl212mHo8WimLuQkY	60
calacademy.org	google-site-verification=xFybgO5jrLdcYOWAV_7dH96jim9VaqYtDoLnOcE9Z2w	60
calacademy.org	v=spf1 include:_spf.google.com include:spf.mailjet.com include:servers.mcsv.net include:rp.oracleemaildelivery.com include:spf.dynect.net include:spf_c.oraclecloud.com include:spf.mandrillapp.com ip4:168.235.226.0/24 ip4:8.21.164.0/24 ~all	60

ns-754.awsdns-30.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Calacademy.org HTML Check

HTML Validation Tool

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Attribute “name” not allowed on element “meta” at this point.

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Attribute “pubdate” not allowed on element “time” at this point.

Bad value “chat” for attribute “rel” on element “a”: The string “chat” is not a registered keyword.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Empty heading.

Calacademy.org Desktop Performance

Last tested: 10/14/2016

Desktop Speed

24%

Optimize images

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

Enable compression

Leverage browser caching

Prioritize visible content

Minify JavaScript

Desktop Resource Breakdown

Total Resources	91
Number of Hosts	22
Static Resources	77
JavaScript Resources	22
CSS Resources	7

Calacademy.org Mobile Insights

Last tested: 10/14/2016

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

49%

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

Optimize images

Enable compression

Leverage browser caching

Prioritize visible content

Minify JavaScript

Mobile Resource Breakdown

Total Resources	91
Number of Hosts	22
Static Resources	78
JavaScript Resources	22
CSS Resources	7

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Calacademy.org California Academy of Sciences in San Francisco, CA

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

Calacademy.org Overview

Calacademy.org Rank Summary

Calacademy.org Website Safety

Calacademy.org Rank History

Calacademy.org Hosting Information

Calacademy.org Domain Registration and Settings

Calacademy.org HTML Check

Calacademy.org Desktop Performance

Calacademy.org Mobile Insights

Calacademy.org Similar Audits

Calacademy.org Common Typos