nap.edu
National Academies Publications
Last scanned Jul 24, 2026, 8:25 PM · 1 view
Overall score
Great
Summary
Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine. This website uses Google Analytics hosted on NAS-AS - National Academy of Sciences, US behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance fair (70/100). Top issue: Missing canonical link.
Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine.
- United States
- Hosted on NAS-AS - National Academy of Sciences, US
Top issues to fix
7 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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
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.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
1.59 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine.
Contact
Email, phone, and address published on this site's own pages.
- your@email.com
Meta tags
- Title
- National Academies Publications
- Description
- Access expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,nofollow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- NAS-AS - National Academy of Sciences, US
- CDN provider
- Fastly
- IP address
- 144.171.1.16
- ASN
- AS7301 (NAS-AS - National Academy of Sciences, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- DigiCert Inc
- Subject
- www.nationalacademies.org
- Valid from
- Mar 27, 2026
- Valid to
- Oct 11, 2026
- Days until expiry
- 79
- SAN domains
- www.nationalacademies.org, nationalacademies.org, nas.edu, www.nas.edu, cyrus.nas.edu, www.national-academies.org, national-academies.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 39 · H2 16 · H3 47
Links
72 internal · 17 external · 4 broken
Images
18 total · 0 missing alt
Scripts / Styles
20 scripts · 1 stylesheets
JS / CSS size
152 KB · 84.6 KB
Page size
1.4 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- 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://nap.edu
- Final URL
- https://www.nationalacademies.org/publications/all
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.56 s
- HTML size
- 1.4 MB
- Redirect chain
- https://nap.edu → https://nap.nationalacademies.org/ → https://www.nationalacademies.org/publications/all
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Frequently asked questions
- What technology does nap.edu use?
- nap.edu is built with Google Analytics.
- Is nap.edu secure (HTTPS)?
- Yes. nap.edu uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Oct 11, 2026.
- Who hosts nap.edu?
- nap.edu is hosted on NAS-AS - National Academy of Sciences, US, behind Fastly CDN.
- What is nap.edu's SEO score?
- nap.edu scored 70/100 for SEO in the latest analysis (fair).
- What is nap.edu's overall website score?
- nap.edu has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
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OpenGraph
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