calacademy.org
California Academy of Sciences - Aquarium in San Francisco
Last scanned Aug 2, 2026, 4:00 PM · 7 views
Overall score
Great
Summary
Experience a science museum, aquarium, planetarium, and rainforest in Golden Gate Park. This website uses Apache. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). 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
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
1.21 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 89
- SEO
- 80
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- info@calacademy.org
- Phone
- +1-415-379-8000
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
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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
- 111
- 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 · 20 broken
Images
10 total · 0 missing alt
Scripts / Styles
36 scripts · 10 stylesheets
JS / CSS size
41.7 KB · 0 B
Page size
91.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not 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
- 1.21 s
- HTML size
- 91.9 KB
- Redirect chain
- https://calacademy.org → https://www.calacademy.org/
See something wrong on this report? Request a correction
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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 80/100 for SEO in the latest analysis (great).
- What is calacademy.org's overall website score?
- calacademy.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has calacademy.org's score changed over time?
- calacademy.org's overall score has declined by 1 point (from 90 to 89) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card