Domain report
supernotes.app
supernotes.app ranks in the top 0.13% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 14 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.13%
- Hosts observed
- 14
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://supernotes.app/ answered with HTTP 200.
DNS records
- A
- 172.67.196.36
- 104.21.60.118
- AAAA
- 2606:4700:3032::ac43:c424
- 2606:4700:3030::6815:3c76
- MX
- 1 aspmx.l.google.com.
- 10 alt3.aspmx.l.google.com.
- 10 alt4.aspmx.l.google.com.
- 5 alt1.aspmx.l.google.com.
- 5 alt2.aspmx.l.google.com.
- NS
- alex.ns.cloudflare.com.
- isla.ns.cloudflare.com.
Live preview
This site sends "X-Frame-Options: DENY, SAMEORIGIN", which blocks embedding it here.
Since supernotes.app can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- public, max-age=0, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- frame-ancestors 'self'
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- DENY, SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- same-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://supernotes.app/HTTP 301→ https://supernotes.app/
- 2.
https://supernotes.app/HTTP 200
Meta tags
- Title
- Supernotes | The best collaborative note-taking app
- Description
- The fastest way to take notes and collaborate with friends. Create notecards with Markdown, LaTeX, images, emojis and more. Get started for free!
- Canonical
- Not set
- Robots
- index,follow
- Generator
- Gatsby 5.14.6
- Open Graph title
- Supernotes | The best collaborative note-taking app
- Open Graph description
- The fastest way to take notes and collaborate with friends. Create notecards with Markdown, LaTeX, images, emojis and more. Get started for free!
- Open Graph image
- https://supernotes.app/coverPhoto.jpg
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Supernotes | The best collaborative note-taking app
- Twitter image
- https://supernotes.app/coverPhoto.jpg
robots.txt
- Disallow rules (User-agent: *)
- 0
- Disallow rules (other agents)
- 0
Sitemap declared:
https://supernotes.app/sitemap-index.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Gatsbyframework
Found "__gatsby" in the page's HTML
- Cloudflare Web Analyticsanalytics
Found "static.cloudflareinsights.com" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.