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SGSiteGraph

pubmed.gov

403

Last scanned Aug 7, 2026, 5:22 AM · 8 views

78

Overall score

Fair

Summary

This website uses Nginx hosted on Google Cloud. SEO is fair (55/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.

United States
Hosted on Google Cloud

Top issues to fix

8 issues found · 3 high priority

  • Missing Content-Security-Policy header

    Security

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

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • 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.

+2 more issues — details in the sections below.

55

SEO

6 issue(s) found

90

Performance

1.30 s

90

Security

HTTPS & header checks

80

Accessibility

2 issue(s) found

Score history

-11 overall since Jul 26, 2026

Overall
78
SEO
55
Security
90
Performance
90
Accessibility
80

Meta tags

Title
403
Description
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1
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.

Nginx

Hosting & CDN

Hosting provider
Google Cloud
CDN provider
—
IP address
34.107.134.59
ASN
AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)

DNS records

TypeValue
A
  • 34.107.134.59
AAAA
  • 2600:1901:0:c831::
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
GoDaddy.com, Inc.
Subject
pubmed.ncbi.nlm.nih.gov
Valid from
Mar 12, 2026
Valid to
Sep 26, 2026
Days until expiry
50
SAN domains
pubmed.ncbi.nlm.nih.gov, www.pubmed.ncbi.nlm.nih.gov

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 3 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 0 B

Page size

41.1 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
45
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found
  • Missing <html lang> attribute

Scan details

Requested URL
https://pubmed.gov
Final URL
https://pubmed.ncbi.nlm.nih.gov/
HTTP status
200
HTTP version
HTTP/2
Response time
1.30 s
HTML size
41.1 KB
Redirect chain
https://pubmed.gov → https://pubmed.ncbi.nlm.nih.gov/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does pubmed.gov use?
pubmed.gov is built with Nginx.
Is pubmed.gov secure (HTTPS)?
Yes. pubmed.gov uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Sep 26, 2026.
Who hosts pubmed.gov?
pubmed.gov is hosted on Google Cloud.
What is pubmed.gov's SEO score?
pubmed.gov scored 55/100 for SEO in the latest analysis (fair).
What is pubmed.gov's overall website score?
pubmed.gov has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
Has pubmed.gov's score changed over time?
pubmed.gov's overall score has declined by 11 points (from 89 to 78) since Jul 26, 2026.