nhm.org
Natural History Museum
Last scanned Aug 6, 2026, 12:00 AM · 15 views
Overall score
Great
Summary
Discover the wonders of our natural and cultural worlds through captivating exhibits like our renowned Dino Hall, ancient artifacts, blooming nature gardens, interactive learning labs, and more. This website uses Nginx behind Fastly CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Discover the wonders of our natural and cultural worlds through captivating exhibits like our renowned Dino Hall, ancient artifacts, blooming nature gardens, interactive learning labs, and more. Get news, stories, and videos that showcase the spectacular diversity of Los Angeles and beyond.
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
239 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 80
- Security
- 80
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Discover the wonders of our natural and cultural worlds through captivating exhibits like our renowned Dino Hall, ancient artifacts, blooming nature gardens, interactive learning labs, and more. Get news, stories, and videos that showcase the spectacular diversity of Los Angeles and beyond.
Meta tags
- Title
- Natural History Museum
- Description
- Discover the wonders of our natural and cultural worlds through captivating exhibits like our renowned Dino Hall, ancient artifacts, blooming nature gardens, interactive learning labs, and more. Get news, stories, and videos that showcase the spectacular diversity of Los Angeles and beyond.
- Canonical
- https://nhm.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://nhm.org/themes/custom/nhmla_theme/assets/dist/favicons/nhm/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- 23.185.0.3
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- live-hart.nhmlac.org
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 54
- SAN domains
- live-hart.nhmlac.org, live-nhm.nhmlac.org, live-tarpits.nhmlac.org, nhm.org, nhmlac.org, tarpits.org, www.nhm.org, www.nhmlac.org, www.tarpits.org
Security headers
- Strict-Transport-SecurityMissing
- 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 18 · H3 23
Links
59 internal · 20 external · 1 broken
Images
34 total · 0 missing alt
Scripts / Styles
44 scripts · 4 stylesheets
JS / CSS size
355 KB · 1.9 MB
Page size
172 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 25
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nhm.org
- Final URL
- https://nhm.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 236 ms
- HTML size
- 172 KB
- Redirect chain
- https://nhm.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nhm.org use?
- nhm.org is built with Drupal, jQuery, Google Analytics, Google Ads, Meta Pixel, TikTok Pixel, Nginx.
- Is nhm.org secure (HTTPS)?
- Yes. nhm.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.
- Who hosts nhm.org?
- Hosting provider information for nhm.org is not available yet.
- What is nhm.org's SEO score?
- nhm.org scored 80/100 for SEO in the latest analysis (great).
- What is nhm.org's overall website score?
- nhm.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has nhm.org's score changed over time?
- nhm.org's overall score has declined by 1 point (from 88 to 87) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card