What technology does claude.ai use?

We did not detect any specific technologies for claude.ai in the latest scan.

Is claude.ai secure (HTTPS)?

Yes. claude.ai uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 11, 2026.

claude.ai is hosted on ANTHROPIC - Anthropic, PBC, US, behind Cloudflare CDN.

What is claude.ai's SEO score?

claude.ai scored 55/100 for SEO in the latest analysis (fair).

What is claude.ai's overall website score?

claude.ai has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

claude.ai

Just a moment...

Last scanned Jul 14, 2026, 1:34 PM

Overall score

Great

Summary

This website is hosted on ANTHROPIC - Anthropic, PBC, US. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

SEO

6 issue(s) found

100

Performance

8 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: ANTHROPIC - Anthropic, PBC, US
CDN provider: Cloudflare
IP address: 160.79.104.10
ASN: AS399358 (ANTHROPIC - Anthropic, PBC, US)

DNS records

Type	Value
A	160.79.104.10
AAAA	2607:6bc0::10
MX	—
TXT	v=spf1 -all google-site-verification=YPYhXirYOvYGGQtAypqom1k-1KMXKHeWbxKgw60bDfo _4h91g65hky8g6rbfx22rpfu4pprn1v3 google-site-verification=iDyYpE6uHVggWrWzK-MEosRSp7XUE7wqBLGX0Ua71Pc google-site-verification=NISbSmcIQumvbPjLbYAhRmzrx1LSAhRMH6XVaKTWxe0
NS	isla.ns.cloudflare.com randy.ns.cloudflare.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: claude.ai
Valid from: Jul 13, 2026
Valid to: Oct 11, 2026
Days until expiry: 89
SAN domains: claude.ai, staging.claude.ai, www.claude.ai

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyEnabled

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

1 scripts · 0 stylesheets

JS / CSS size

3.0 KB · 1.2 KB

Page size

5.3 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 13
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://claude.ai
Final URL: https://claude.ai
HTTP status: 403
HTTP version: HTTP/2
Response time: 8 ms
HTML size: 5.3 KB
Redirect chain: https://claude.ai

Frequently asked questions

What technology does claude.ai use?: We did not detect any specific technologies for claude.ai in the latest scan.
Is claude.ai secure (HTTPS)?: Yes. claude.ai uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 11, 2026.
Who hosts claude.ai?: claude.ai is hosted on ANTHROPIC - Anthropic, PBC, US, behind Cloudflare CDN.
What is claude.ai's SEO score?: claude.ai scored 55/100 for SEO in the latest analysis (fair).
What is claude.ai's overall website score?: claude.ai has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

Meta tags

OpenGraph & Twitter Card