doi.gov
U.S. Department of the Interior
Last scanned Jul 29, 2026, 10:00 PM · 9 views
Overall score
Excellent
Summary
The U.S. This website uses Drupal. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
The U.S. Department of the Interior protects America's natural resources and heritage, honors our cultures and tribal communities, and supplies the energy to power our future.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
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.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
15 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 22, 2026
- Overall
- 92
- SEO
- 80
- Security
- 90
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The U.S. Department of the Interior protects America's natural resources and heritage, honors our cultures and tribal communities, and supplies the energy to power our future.
Meta tags
- Title
- U.S. Department of the Interior
- Description
- The U.S. Department of the Interior protects America's natural resources and heritage, honors our cultures and tribal communities, and supplies the energy to power our future.
- Canonical
- https://www.doi.gov/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow
- Manifest
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 1.3
- Issuer
- Let's Encrypt
- Subject
- www.doi.gov
- Valid from
- Jul 10, 2026
- Valid to
- Oct 8, 2026
- Days until expiry
- 70
- SAN domains
- www.doi.gov
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 12 · H3 7
Links
43 internal · 16 external · 20 broken
Images
32 total · 0 missing alt
Scripts / Styles
10 scripts · 2 stylesheets
JS / CSS size
1.2 KB · 0 B
Page size
54.9 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
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://doi.gov
- Final URL
- https://www.doi.gov/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 14 ms
- HTML size
- 54.9 KB
- Redirect chain
- https://doi.gov → https://www.doi.gov/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does doi.gov use?
- doi.gov is built with Drupal, Google Analytics.
- Is doi.gov secure (HTTPS)?
- Yes. doi.gov uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 8, 2026.
- Who hosts doi.gov?
- Hosting provider information for doi.gov is not available yet.
- What is doi.gov's SEO score?
- doi.gov scored 80/100 for SEO in the latest analysis (great).
- What is doi.gov's overall website score?
- doi.gov has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has doi.gov's score changed over time?
- doi.gov's overall score has declined by 3 points (from 95 to 92) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card