gptkb.org
GPTKB v2 — a knowledge base built entirely from a large language model
Last scanned Aug 24, 2026, 1:14 PM
Overall score
Excellent
Summary
A large general-domain knowledge base built entirely from a large language model — browse entities, surface forms, and full disambiguation provenance. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
A large general-domain knowledge base built entirely from a large language model — browse entities, surface forms, and full disambiguation provenance.
- United States
- Hosted on Cloudflare
Top issues to fix
3 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
SEO
1 issue(s) found
Performance
144 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
A large general-domain knowledge base built entirely from a large language model — browse entities, surface forms, and full disambiguation provenance.
Meta tags
- Title
- GPTKB v2 — a knowledge base built entirely from a large language model
- Description
- A large general-domain knowledge base built entirely from a large language model — browse entities, surface forms, and full disambiguation provenance.
- Canonical
- https://gptkb.org/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.88.171
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- gptkb.org
- Valid from
- Aug 21, 2026
- Valid to
- Nov 19, 2026
- Days until expiry
- 87
- SAN domains
- gptkb.org, *.gptkb.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
22 internal · 5 external · 0 broken
Images
4 total · 0 missing alt
Scripts / Styles
3 scripts · 1 stylesheets
JS / CSS size
30.9 KB · 0 B
Page size
19.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 6
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gptkb.org
- Final URL
- https://gptkb.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 144 ms
- HTML size
- 19.1 KB
- Redirect chain
- https://gptkb.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gptkb.org use?
- gptkb.org is built with Tailwind CSS, Cloudflare Analytics.
- Is gptkb.org secure (HTTPS)?
- Yes. gptkb.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Nov 19, 2026.
- Who hosts gptkb.org?
- gptkb.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is gptkb.org's SEO score?
- gptkb.org scored 95/100 for SEO in the latest analysis (excellent).
- What is gptkb.org's overall website score?
- gptkb.org has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card