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SGSiteGraph

jan.ai

Jan - Open-Source ChatGPT Replacement

Last scanned Aug 24, 2026, 1:21 PM

84

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

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Heavy page (2.4 MB)

    Performance

    Aim for under 2 MB: compress images and split large JavaScript bundles.

85

SEO

2 issue(s) found

65

Performance

174 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

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.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Jan - Open-Source ChatGPT Replacement - Jan
og: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.
og:type
website
og:url
https://jan.ai

Twitter Card

twitter:card
summary_large_image
twitter:title
twitter:description

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

TypeValue
A
  • 172.67.73.113
  • 104.26.3.30
  • 104.26.2.30
AAAA
  • 2606:4700:20::681a:21e
  • 2606:4700:20::ac43:4971
  • 2606:4700:20::681a:31e
MX
TXT
NS
CAA
CNAME
IPv6 supportYes

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

View careers page

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.