one.one

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one.one is ranked #289 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 133 places in four weeks. The domain was registered on May 20, 2015, 11 years, 4 months ago, through One.com A/S, and is paid up until May 20, 2027. Its homepage uses Next.js, React and Google Tag Manager. It is served by Varnish.

Global rank

#289

▼ 73 this week

Domain age

11 years

since May 20, 2015

Technologies

detected on the homepage

SEO score

89/100

homepage checks

Popularity rank

#289 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: #142.

Weekly Tranco rank (lower is more popular).

See where one.one sits in the top 10,000

Domain registration

Registered: May 20, 2015 (11 years, 4 months ago)
Expires: May 20, 2027
Registrar: One.com A/S
Name servers: auth.g1-dns.com, auth.g1-dns.one
DNSSEC: Signed

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

Technology stack

JavaScript frameworks

Next.js React

Analytics

Google Tag Manager

Web servers

Varnish

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.

89/100

https://www.one.com/en-gb/

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18 passed · 5 warnings · 0 failed

Content

✓Title60 characters
✓Meta description148 characters
✓H1 headingExactly one H1
✓Subheadings10 H2 headings
✓Image alt textAll 54 images have alt text
✓Content lengthAbout 3,602 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.one.com/en-gb/
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-gb
ihreflang15 language alternates
✓Structured dataVideoObject, Organization, FAQPage

Social sharing

!Open Graph2 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.one.com/en-gb/
HTTP status: 200
Server: —
Response time: 1.83 s (first byte 1.39 s, from our scanner in a US data centre)
HTML size: 1.6 MB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#1,160	one.com	Next.js, React, Varnish
#5,518	hostnet.nl	Next.js, React, Varnish
#7,345	shop-apotheke.com	Next.js, React, Envoy
#351	ea.com	Next.js, React, Google Tag Manager
#805	ameblo.jp	Next.js, React, Google Tag Manager
#1,280	abc.net.au	Next.js, React, Google Tag Manager

Sites ranked near one.one

Rank	Website	Registered	Built with
#284	adnxs.com	2008	Nginx
#285	skybridge.click	2025	—
#286	gmail.com	1995	—
#287	tinyurl.com	2002	Cloudflare, Cloudflare Web Analytics, Google Fonts
#288	booking.com	1998	Amazon CloudFront
#290	telegram.me	—	Nginx, Bootstrap
#291	adsafeprotected.com	2010	Amazon CloudFront
#292	hp.com	1986	Akamai, Apache
#293	springer.com	1997	Fastly
#294	www.gov.uk	2012	Fastly, Nginx

Questions about one.one

How popular is one.one?

one.one is #289 worldwide in the Tranco list published Oct 13, 2026.

How old is one.one?

one.one was registered on May 20, 2015, which makes the domain 11 years, 4 months old.

What is one.one built with?

We detected Next.js, React, Google Tag Manager and Varnish on its homepage.

Who is the registrar of one.one?

One.com A/S, according to the registry's RDAP record.