nsf.org
NSF | The Public Health and Safety Organization
Last scanned Jul 26, 2026, 2:25 AM · 1 view
Overall score
Great
Summary
NSF, a trusted authority for health standards, testing, certification, and consulting, enhances global human health with public safety standards and…. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
NSF, a trusted authority for health standards, testing, certification, and consulting, enhances global human health with public safety standards and…
- United States
- Hosted on Cloudflare
Top issues to fix
6 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 X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
17 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
482 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- info@nsf.org
Meta tags
- Title
- NSF | The Public Health and Safety Organization
- Description
- NSF, a trusted authority for health standards, testing, certification, and consulting, enhances global human health with public safety standards and…
- Canonical
- https://www.nsf.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://www.nsf.org/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.29.201
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- nsf.org
- Valid from
- Jul 2, 2026
- Valid to
- Sep 30, 2026
- Days until expiry
- 66
- SAN domains
- nsf.org, *.nsf.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 8
Links
37 internal · 6 external · 17 broken
Images
13 total · 0 missing alt
Scripts / Styles
100 scripts · 7 stylesheets
JS / CSS size
303 KB · 1.7 KB
Page size
394 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nsf.org
- Final URL
- https://www.nsf.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 474 ms
- HTML size
- 394 KB
- Redirect chain
- https://nsf.org → https://www.nsf.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nsf.org use?
- nsf.org is built with Next.js.
- Is nsf.org secure (HTTPS)?
- Yes. nsf.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 30, 2026.
- Who hosts nsf.org?
- nsf.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is nsf.org's SEO score?
- nsf.org scored 85/100 for SEO in the latest analysis (great).
- What is nsf.org's overall website score?
- nsf.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
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