anthropic.com

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anthropic.com is ranked #496 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 115 places in four weeks. The domain was registered on Oct 2, 2001, 25 years ago, through MarkMonitor Inc., and is paid up until Oct 2, 2033. Its homepage uses Webflow. It is served through Cloudflare.

Global rank

#496

▲ 88 this week

Domain age

25 years

since Oct 2, 2001

Technologies

detected on the homepage

SEO score

91/100

homepage checks

Popularity rank

#496 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: #496.

Weekly Tranco rank (lower is more popular).

See where anthropic.com sits in the top 10,000

Domain registration

Registered: Oct 2, 2001 (25 years ago)
Expires: Oct 2, 2033
Registrar: MarkMonitor Inc.
Name servers: isla.ns.cloudflare.com, randy.ns.cloudflare.com
DNSSEC: Not signed

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

Technology stack

CMS & site builders

Webflow

CDN

Cloudflare

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.

91/100

https://www.anthropic.com/

Home \ Anthropic

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

18 passed · 4 warnings · 0 failed

Content

✓Title16 characters
✓Meta description121 characters
✓H1 headingExactly one H1
✓Subheadings5 H2 headings
iImage alt textNo images in the served HTML
✓Content lengthAbout 459 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.anthropic.com
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
!Structured dataNo JSON-LD or microdata

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-PolicySet
!Clickjacking protectionNot set
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://www.anthropic.com/
HTTP status: 200
Server: cloudflare
Response time: 61 ms (first byte 59 ms, from our scanner in a US data centre)
HTML size: 197 KB
Compression: gzip

Sites ranked near anthropic.com

Rank	Website	Registered	Built with
#491	impervadns.net	2020	—
#492	addtoany.com	2006	Cloudflare
#493	dual-s-msedge.net	2022	—
#494	shein.com	1998	Vue.js, Cloudflare
#495	dynatrace.com	2004	Nuxt, Vue.js, Amazon CloudFront
#497	chinamobile.com	1999	—
#498	markmonitor.com	1999	Cloudflare
#499	npr.org	1993	Akamai, Nginx, Google Tag Manager
#500	run.app	2018	—
#501	noaa.gov	1997	Amazon CloudFront

Questions about anthropic.com

How popular is anthropic.com?

anthropic.com is #496 worldwide in the Tranco list published Oct 13, 2026.

How old is anthropic.com?

anthropic.com was registered on Oct 2, 2001, which makes the domain 25 years old.

What is anthropic.com built with?

We detected Webflow and Cloudflare on its homepage.

Who is the registrar of anthropic.com?

MarkMonitor Inc., according to the registry's RDAP record.