bnl.gov
Brookhaven National Laboratory — a passion for discovery
Last scanned Aug 1, 2026, 2:00 PM · 6 views
Overall score
Fair
Summary
We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and nanomaterials research to energy challenges of critical importa… This website uses Apache. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and nanomaterials research to energy challenges of critical importance to the nation; and perform cross-disciplinary research on computation, sustainable energy, national security, and Earth’s ecosystems.
Top issues to fix
12 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+6 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
1.01 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 76
- SEO
- 55
- Security
- 75
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and nanomaterials research to energy challenges of critical importance to the nation; and perform cross-disciplinary research on computation, sustainable energy, national security, and Earth’s ecosystems.
Meta tags
- Title
- Brookhaven National Laboratory — a passion for discovery
- Description
- We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and nanomaterials research to energy challenges of critical importance to the nation; and perform cross-disciplinary research on computation, sustainable energy, national security, and Earth’s ecosystems.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://www.bnl.gov/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 1.2
- Issuer
- Internet2
- Subject
- bnl.gov
- Valid from
- Sep 24, 2025
- Valid to
- Oct 25, 2026
- Days until expiry
- 85
- SAN domains
- bnl.gov, *.bnl.gov, www.bnl.gov
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 3 · H3 14
Links
76 internal · 10 external · 20 broken
Images
20 total · 4 missing alt
Scripts / Styles
11 scripts · 12 stylesheets
JS / CSS size
950 B · 5.6 KB
Page size
32.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://bnl.gov
- Final URL
- https://www.bnl.gov/world/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.01 s
- HTML size
- 32.9 KB
- Redirect chain
- https://bnl.gov → https://www.bnl.gov → https://www.bnl.gov/world/
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Frequently asked questions
- What technology does bnl.gov use?
- bnl.gov is built with PHP, jQuery, Google Analytics, Apache.
- Is bnl.gov secure (HTTPS)?
- Yes. bnl.gov uses TLS 1.2 with a certificate issued by Internet2, valid until Oct 25, 2026.
- Who hosts bnl.gov?
- Hosting provider information for bnl.gov is not available yet.
- What is bnl.gov's SEO score?
- bnl.gov scored 55/100 for SEO in the latest analysis (fair).
- What is bnl.gov's overall website score?
- bnl.gov has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
- Has bnl.gov's score changed over time?
- bnl.gov's overall score has declined by 1 point (from 77 to 76) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card