jan.ai
Jan - Open-Source ChatGPT Replacement
Last scanned Aug 24, 2026, 1:21 PM
Overall score
Great
Summary
Jan is an open-source alternative to ChatGPT. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance fair (65/100). Top issue: Multiple H1 headings found.
Jan is an open-source alternative to ChatGPT. Run open-source AI models locally or connect to cloud models like GPT, Claude and others.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Heavy page (2.4 MB)
PerformanceAim for under 2 MB: compress images and split large JavaScript bundles.
SEO
2 issue(s) found
Performance
174 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Jan is an open-source alternative to ChatGPT. Run open-source AI models locally or connect to cloud models like GPT, Claude and others.
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.jan.ai/about/contact
Meta tags
- Title
- Jan - Open-Source ChatGPT Replacement
- Description
- Jan is an open-source alternative to ChatGPT. Run open-source AI models locally or connect to cloud models like GPT, Claude and others.
- Canonical
- https://jan.ai
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.73.113
- 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
- www.jan.ai
- Valid from
- Jul 16, 2026
- Valid to
- Oct 14, 2026
- Days until expiry
- 50
- SAN domains
- www.jan.ai
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 4 · H3 6
Links
13 internal · 42 external · 0 broken
Images
54 total · 0 missing alt
Scripts / Styles
17 scripts · 1 stylesheets
JS / CSS size
2.3 MB · 1002 B
Page size
2.4 MB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://jan.ai
- Final URL
- https://www.jan.ai/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 125 ms
- HTML size
- 2.4 MB
- Redirect chain
- https://jan.ai → https://www.jan.ai/
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Frequently asked questions
- What technology does jan.ai use?
- jan.ai is built with Next.js, Google Analytics, Cloudflare Analytics.
- Is jan.ai secure (HTTPS)?
- Yes. jan.ai uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 14, 2026.
- Who hosts jan.ai?
- jan.ai is hosted on Cloudflare, behind Cloudflare CDN.
- What is jan.ai's SEO score?
- jan.ai scored 85/100 for SEO in the latest analysis (great).
- What is jan.ai's overall website score?
- jan.ai has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Is jan.ai hiring?
- jan.ai has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card