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calacademy.org

California Academy of Sciences - Aquarium in San Francisco

Last scanned Jul 26, 2026, 5:17 AM · 2 views

90

Overall score

Excellent

Summary

Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. This website uses Apache. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: No structured data (JSON-LD) found.

Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. Open daily for all ages. Attend 21+ NightLife on select Thursdays.

Top issues to fix

2 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

90

SEO

1 issue(s) found

80

Performance

1.32 s

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. Open daily for all ages. Attend 21+ NightLife on select Thursdays.

FacebookInstagram

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
California Academy of Sciences - Aquarium in San Francisco
Description
Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. Open daily for all ages. Attend 21+ NightLife on select Thursdays.
Canonical
https://www.calacademy.org/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
max-image-preview:large
Manifest
https://www.calacademy.org/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
California Academy of Sciences
og:description
Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. Open daily for all ages. Attend 21+ NightLife on select Thursdays.
og:type
website
og:url
https://www.calacademy.org/

Twitter Card

twitter:card
summary
twitter:title
California Academy of Sciences
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

DrupaljQueryApache

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
35.81.25.52
ASN
—

DNS records

TypeValue
A
  • 35.81.25.52
  • 32.187.8.142
  • 34.208.74.223
AAAA—
MX
  • feedback-smtp.us-west-2.amazonses.com
TXT
  • v=spf1 include:amazonses.com ~all
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
*.calacademy.org
Valid from
May 8, 2026
Valid to
Nov 21, 2026
Days until expiry
118
SAN domains
*.calacademy.org, calacademy.org

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 9 · H3 15

Links

61 internal · 6 external · 0 broken

Images

10 total · 0 missing alt

Scripts / Styles

37 scripts · 10 stylesheets

JS / CSS size

737 KB · 1.6 MB

Page size

93.8 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
43
sitemap.xml
Found
URLs in sitemap
13300

SEO issues

  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://calacademy.org
Final URL
https://www.calacademy.org/
HTTP status
200
HTTP version
HTTP/2
Response time
1.32 s
HTML size
93.8 KB
Redirect chain
https://calacademy.org → https://www.calacademy.org/

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Frequently asked questions

What technology does calacademy.org use?
calacademy.org is built with Drupal, jQuery, Apache.
Is calacademy.org secure (HTTPS)?
Yes. calacademy.org uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 21, 2026.
Who hosts calacademy.org?
Hosting provider information for calacademy.org is not available yet.
What is calacademy.org's SEO score?
calacademy.org scored 90/100 for SEO in the latest analysis (excellent).
What is calacademy.org's overall website score?
calacademy.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.