Domain report
attr.so
attr.so ranks in the top 0.22% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
- Top percentile
- 0.22%
- Hosts observed
- 1
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://attr.so/ answered with HTTP 200.
DNS records
- A
- 216.198.79.1
- AAAA
- No records found.
- MX
- 10 mx.zoho.com.au.
- 20 mx2.zoho.com.au.
- 50 mx3.zoho.com.au.
- NS
- aria.ns.cloudflare.com.
- rodney.ns.cloudflare.com.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since attr.so 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
- private, no-cache, no-store, max-age=0, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://challenges.cloudflare.com https://js.stripe.com https://*.posthog.com https://*.i.posthog.com https://www.googletagmanager.com https://*.sentry.io https://cdn.jsdelivr.net; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdn.jsdelivr.net; img-src 'self' data: blob: https:; font-src 'self' data: https://fonts.gstatic.com; connect-src 'self' https://*.supabase.co wss://*.supabase.co https://zdpupmuuekamowwsvcqu.supabase.co wss://zdpupmuuekamowwsvcqu.supabase.co https://api.stripe.com https://*.posthog.com https://*.i.posthog.com https://*.sentry.io https://*.ingest.sentry.io https://challenges.cloudflare.com https://www.google-analytics.com https://tiles.openfreemap.org; frame-src 'self' https://js.stripe.com https://hooks.stripe.com https://challenges.cloudflare.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://*.wistia.com https://www.loom.com; worker-src 'self' blob:; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self'
- Strict-Transport-Security
- max-age=63072000; includeSubDomains; preload
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- strict-origin-when-cross-origin
- Permissions-Policy
- camera=(), microphone=(), geolocation=(), interest-cohort=()
Redirect chain
- 1.
http://attr.so/HTTP 308→ https://attr.so/
- 2.
https://attr.so/HTTP 200
Meta tags
- Title
- Attr.so - Know where your clicks come from
- Description
- Privacy-first shortlinks with click attribution. Branded short URLs, UTM tagging, custom domains, and a real REST API. Free for up to 50 links a month.
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Attr.so - Know where your clicks come from
- Open Graph description
- Privacy-first shortlinks with click attribution. Branded short URLs, UTM tagging, custom domains, and a real REST API. Free for up to 50 links a month.
- Open Graph image
- https://attr.so/og-image.png?v=2
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Attr.so - Know where your clicks come from
- Twitter image
- https://attr.so/og-image.png?v=2
robots.txt
- Disallow rules (User-agent: *)
- 7
- Disallow rules (other agents)
- 0
Sitemap declared:
https://attr.so/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Next.jsframework
X-Powered-By: Next.js
- Google Analyticsanalytics
Found "googletagmanager.com/gtag/js" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.