llnl.gov
Lawrence Livermore National Laboratory
Last scanned Jul 25, 2026, 4:25 AM · 3 views
Overall score
Great
Summary
Lawrence Livermore National Laboratory uses innovative science, engineering and technology to solve the most difficult national security problems. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
Lawrence Livermore National Laboratory uses innovative science, engineering and technology to solve the most difficult national security problems. Learn more about our work, people and more.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found
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.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
Sluggish estimated load (3.0s)
PerformanceTarget under 3 seconds: enable compression and serve static assets from a CDN.
SEO
3 issue(s) found
Performance
3.00 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Lawrence Livermore National Laboratory uses innovative science, engineering and technology to solve the most difficult national security problems. Learn more about our work, people and more.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Lawrence Livermore National Laboratory
- Description
- Lawrence Livermore National Laboratory uses innovative science, engineering and technology to solve the most difficult national security problems. Learn more about our work, people and more.
- Canonical
- https://www.llnl.gov/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.4.245
- 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 1.2
- Issuer
- DigiCert Inc
- Subject
- *.llnl.gov
- Valid from
- Jan 7, 2026
- Valid to
- Feb 3, 2027
- Days until expiry
- 193
- SAN domains
- *.llnl.gov
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 7
Links
70 internal · 22 external · 0 broken
Images
17 total · 0 missing alt
Scripts / Styles
8 scripts · 8 stylesheets
JS / CSS size
272 KB · 0 B
Page size
130 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- sitemap.xml
- Found
- URLs in sitemap
- 2147
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://llnl.gov
- Final URL
- https://www.llnl.gov/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3.00 s
- HTML size
- 130 KB
- Redirect chain
- https://llnl.gov → https://www.llnl.gov/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does llnl.gov use?
- llnl.gov is built with Cloudflare Analytics.
- Is llnl.gov secure (HTTPS)?
- Yes. llnl.gov uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Feb 3, 2027.
- Who hosts llnl.gov?
- llnl.gov is hosted on Cloudflare, behind Cloudflare CDN.
- What is llnl.gov's SEO score?
- llnl.gov scored 80/100 for SEO in the latest analysis (great).
- What is llnl.gov's overall website score?
- llnl.gov has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card