cdc.gov

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cdc.gov is ranked #361 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 1 place in four weeks. The domain was registered on Oct 2, 1997, 29 years ago, through get.gov, and is paid up until Aug 21, 2027. Its homepage uses jQuery and Bootstrap. It is served through Azure Front Door.

Global rank

#361

▼ 2 this week

Domain age

29 years

since Oct 2, 1997

Technologies

detected on the homepage

SEO score

78/100

homepage checks

Popularity rank

#361 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #337.

Weekly Tranco rank (lower is more popular).

See where cdc.gov sits in the top 10,000

Domain registration

Registered: Oct 2, 1997 (29 years ago)
Expires: Aug 21, 2027
Registrar: get.gov
Name servers: a1-43.akam.net, a2-64.akam.net, a28-65.akam.net, a5-66.akam.net, a8-67.akam.net, a9-64.akam.net
DNSSEC: Signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

JavaScript libraries

jQuery

UI frameworks & fonts

Bootstrap

CDN

Azure Front Door

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

78/100

https://www.cdc.gov/index.html

Centers for Disease Control and Prevention | CDC

(no meta description)

15 passed · 6 warnings · 2 failed

Content

✓Title48 characters
✕Meta descriptionMissing
✕H1 headingMissing in the served HTML
✓Subheadings5 H2 headings
✓Image alt textAll 21 images have alt text
✓Content lengthAbout 790 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.cdc.gov/index.html
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-us
!Structured dataNo JSON-LD or microdata

Social sharing

!Open Graph1 of 3 key tags set
✓Twitter / X cardsummary

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingUTF-8

Security headers

✓Strict-Transport-SecuritySet
!Content-Security-PolicyNot set
!Clickjacking protectionNot set
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://www.cdc.gov/index.html
HTTP status: 200
Server: —
Response time: 345 ms (first byte 345 ms, from our scanner in a US data centre)
HTML size: 59 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#7,356	windowsphone.com	Azure Front Door, jQuery, Bootstrap
#4,629	poste.it	Amazon CloudFront, Azure Front Door, jQuery

Sites ranked near cdc.gov

Rank	Website	Registered	Built with
#356	brave.com	1995	Hugo, Amazon CloudFront, Matomo
#357	tp-link.com	2002	Amazon CloudFront, Apache, jQuery
#358	firefox-portal-detection.com	2026	Fastly
#359	worldnic.com	1997	—
#360	icanhazip.com	2009	Cloudflare
#362	un.org	1995	Drupal, Amazon CloudFront, Apache
#363	checkpoint.com	1994	WordPress, WP Engine, Amazon CloudFront
#364	trueconf.net	2011	—
#365	washingtonpost.com	1995	—
#366	gitlab.com	2004	Nuxt, Vue.js, Cloudflare

Questions about cdc.gov

How popular is cdc.gov?

cdc.gov is #361 worldwide in the Tranco list published Oct 13, 2026.

How old is cdc.gov?

cdc.gov was registered on Oct 2, 1997, which makes the domain 29 years old.

What is cdc.gov built with?

We detected jQuery, Bootstrap and Azure Front Door on its homepage.

Who is the registrar of cdc.gov?

get.gov, according to the registry's RDAP record.