docker.io

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docker.io is ranked #954 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 18 places in four weeks. The domain was registered on Dec 17, 2012, 13 years, 9 months ago, through Gandi SAS, and is paid up until Dec 17, 2026. Its homepage uses WordPress, Google Fonts, Google Tag Manager and reCAPTCHA. It is served through Fastly and Pantheon by Nginx.

Global rank

#954

▼ 7 this week

Domain age

13 years

since Dec 17, 2012

Technologies

detected on the homepage

SEO score

98/100

homepage checks

Popularity rank

#954 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: #905.

Weekly Tranco rank (lower is more popular).

See where docker.io sits in the top 10,000

Domain registration

Registered: Dec 17, 2012 (13 years, 9 months ago)
Expires: Dec 17, 2026
Registrar: Gandi SAS
Name servers: ns-1168.awsdns-18.org, ns-421.awsdns-52.com, ns-1827.awsdns-36.co.uk, ns-513.awsdns-00.net
DNSSEC: Not signed

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

Technology stack

CMS & site builders

WordPress 7.1.3

UI frameworks & fonts

Analytics

Security

CDN

Hosting

Web servers

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.

98/100

https://www.docker.com/

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22 passed · 1 warnings · 0 failed

Content

✓Title39 characters
✓Meta description146 characters
✓H1 headingExactly one H1
✓Subheadings15 H2 headings
✓Image alt textAll 7 images have alt text
✓Content lengthAbout 1,022 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.docker.com/
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-US
ihreflang2 language alternates
✓Structured dataCorporation, WebSite, WebPage, VideoObject

Social sharing

✓Open GraphTitle, description and image set
✓Twitter / X cardsummary_large_image

Technical

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

Security headers

✓Strict-Transport-SecuritySet
!Content-Security-PolicyNot set
✓Clickjacking protectionSet
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://www.docker.com/
HTTP status: 200
Server: nginx
Response time: 84 ms (first byte 59 ms, from our scanner in a US data centre)
HTML size: 489 KB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#514	docker.com	WordPress, Pantheon, Fastly
#3,260	iterable.com	WordPress, Pantheon, Fastly
#8,053	umbc.edu	WordPress, Pantheon, Fastly
#9,392	thewrap.com	WordPress, Pantheon, Fastly
#8,921	clarivate.com	WordPress, Pantheon, Fastly
#2,489	bazaarvoice.com	WordPress, Pantheon, Fastly

Sites ranked near docker.io

Rank	Website	Registered	Built with
#949	tailscale.com	2017	Next.js, React, Vercel
#950	note.com	1995	Next.js, React, Amazon CloudFront
#951	sentinelone.net	2014	—
#952	go-mpulse.net	2012	—
#953	chaturbate.com	2011	Cloudflare
#955	att.net	1993	Next.js, React, Google Ad Manager
#956	youku.com	2003	Alibaba Cloud CDN
#957	poki.com	2001	Cloudflare
#958	smilewanted.com	2015	WordPress, Cloudflare, jQuery
#959	character.ai	2018	Cloudflare

Questions about docker.io

How popular is docker.io?

docker.io is #954 worldwide in the Tranco list published Oct 13, 2026.

How old is docker.io?

docker.io was registered on Dec 17, 2012, which makes the domain 13 years, 9 months old.

What is docker.io built with?

We detected WordPress, Google Fonts, Google Tag Manager, reCAPTCHA, Fastly, Pantheon and Nginx on its homepage.

Who is the registrar of docker.io?

Gandi SAS, according to the registry's RDAP record.