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Domain report

linkbook.io

linkbook.io ranks in the top 0.18% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore linkbook.io in the Web Graph

Connectivity

#236,355harmonic-centrality rank
Top percentile
0.18%
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

200HTTP status

https://linkbook.io/ answered with HTTP 200.

DNS records

A
  • 199.36.158.100
AAAA
No records found.
MX
  • 10 mx1.privateemail.com.
  • 10 mx2.privateemail.com.
NS
  • pdns1.registrar-servers.com.
  • pdns2.registrar-servers.com.

Live preview

This is a live, sandboxed embed of linkbook.io — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
no-store, no-cache, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31556926
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://linkbook.io/HTTP 301

    → https://linkbook.io/

  2. 2.https://linkbook.io/HTTP 200

Meta tags

Title
Free AI Bookmark Manager | Organise Bookmarks - LinkBook.io
Description
Turn bookmarks into a research library. AI organises your links and answers questions from saved pages, with sources cited. Free forever plan.
Canonical
https://linkbook.io
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Not set
Open Graph title
Free AI Bookmark Manager | Organise & Share Bookmarks - LinkBook.io
Open Graph description
Turn bookmarks into a research library you can ask. AI organisation, cited answers from saved pages, team workspaces & browser extensions. Free forever.
Open Graph image
https://linkbook.io/img/icons/logo.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Free AI Bookmark Manager | Organise & Share Bookmarks - LinkBook.io
Twitter image
https://linkbook.io/img/icons/logo.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://linkbook.io/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Nuxtframework

    Found "/_nuxt/" in the page's HTML

  • 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.