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SGSiteGraph

genome.gov

National Human Genome Research Institute Home | NHGRI

Last scanned Aug 1, 2026, 1:00 PM · 8 views

89

Overall score

Great

Summary

Official website of the National Human Genome Research Institute. This website uses Nginx behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.

Official website of the National Human Genome Research Institute. The Forefront of Genomics.

Top issues to fix

7 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

604 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+4 overall since Jul 25, 2026

Overall
89
SEO
70
Security
90
Performance
100
Accessibility
100

Organization

Company details published in this site's own structured data.

Official website of the National Human Genome Research Institute. The Forefront of Genomics.

Meta tags

Title
National Human Genome Research Institute Home | NHGRI
Description
Official website of the National Human Genome Research Institute. The Forefront of Genomics.
Canonical
https://www.genome.gov/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Fastly
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
IdenTrust
Subject
www.genome.gov
Valid from
Apr 29, 2026
Valid to
Nov 14, 2026
Days until expiry
105
SAN domains
genome.gov, www.genome.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 6 · H2 2 · H3 5

Links

69 internal · 10 external · 20 broken

Images

2 total · 0 missing alt

Scripts / Styles

9 scripts · 32 stylesheets

JS / CSS size

1.8 KB · 4.1 KB

Page size

225 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://genome.gov
Final URL
https://www.genome.gov/
HTTP status
200
HTTP version
HTTP/2
Response time
600 ms
HTML size
225 KB
Redirect chain
https://genome.gov → https://www.genome.gov/

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Frequently asked questions

What technology does genome.gov use?
genome.gov is built with Drupal, jQuery, Google Analytics, Nginx.
Is genome.gov secure (HTTPS)?
Yes. genome.gov uses TLS 1.3 with a certificate issued by IdenTrust, valid until Nov 14, 2026.
Who hosts genome.gov?
Hosting provider information for genome.gov is not available yet.
What is genome.gov's SEO score?
genome.gov scored 70/100 for SEO in the latest analysis (fair).
What is genome.gov's overall website score?
genome.gov has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
Has genome.gov's score changed over time?
genome.gov's overall score has improved by 4 points (from 85 to 89) since Jul 25, 2026.