SGSiteGraph

cdc.gov

Centers for Disease Control and Prevention | CDC

Last scanned Jul 14, 2026, 1:28 PM

83

Overall score

Great

Summary

This website uses jQuery hosted on AKAMAI-ASN1 - Akamai International B.V., NL. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.

70

SEO

3 issue(s) found

100

Performance

230 ms

75

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Organization

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

Meta tags

Title
Centers for Disease Control and Prevention | CDC
Description
Canonical
https://www.cdc.gov/index.html
Language
en-us
Charset
UTF-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
index, archive
Manifest
https://cdc.gov/TemplatePackage/5.0/json/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
Centers for Disease Control and Prevention
og:description
og:type
article
og:url
https://www.cdc.gov/index.html

Twitter Card

twitter:card
summary
twitter:title
Centers for Disease Control and Prevention
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
23.55.244.171
ASN
AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL)

DNS records

TypeValue
A
  • 23.55.244.171
  • 23.55.244.153
AAAA
  • 2600:140f:1e00::1737:f4d9
  • 2600:140f:1e00::1737:f4f3
MX
  • alt3.us.etp.fireeyegov.com
  • primary.us.etp.fireeyegov.com
  • alt1.us.etp.fireeyegov.com
  • alt2.us.etp.fireeyegov.com
TXT
NS
  • a2-64.akam.net
  • a1-43.akam.net
  • a9-64.akam.net
  • a28-65.akam.net
  • a5-66.akam.net
  • a8-67.akam.net
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.cdc.gov
Valid from
Apr 16, 2026
Valid to
Oct 31, 2026
Days until expiry
109
SAN domains
*.cdc.gov, cdc.gov

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 5 · H3 0

Links

116 internal · 16 external · 0 broken

Images

21 total · 0 missing alt

Scripts / Styles

13 scripts · 3 stylesheets

JS / CSS size

1.6 KB · 46 B

Page size

59.5 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
42
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • No H1 heading found
  • No structured data (JSON-LD) found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://cdc.gov
Final URL
https://cdc.gov/index.html
HTTP status
200
HTTP version
HTTP/2
Response time
229 ms
HTML size
59.5 KB
Redirect chain
https://cdc.gov → https://cdc.gov/index.html

Frequently asked questions

What technology does cdc.gov use?
cdc.gov is built with Bootstrap, jQuery.
Is cdc.gov secure (HTTPS)?
Yes. cdc.gov uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 31, 2026.
Who hosts cdc.gov?
cdc.gov is hosted on AKAMAI-ASN1 - Akamai International B.V., NL.
What is cdc.gov's SEO score?
cdc.gov scored 70/100 for SEO in the latest analysis (fair).
What is cdc.gov's overall website score?
cdc.gov has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
Is cdc.gov hiring?
Yes. cdc.gov has 22 open roles listed on their careers page.