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Domain report

annotatepdf.io

annotatepdf.io ranks in the top 0.27% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore annotatepdf.io in the Web Graph

Connectivity

#366,243harmonic-centrality rank
Top percentile
0.27%
Hosts observed
2

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://annotatepdf.io/ answered with HTTP 200.

DNS records

A
  • 31.128.47.177
AAAA
No records found.
MX
  • 1 fwd1.porkbun.com.
  • 1 fwd2.porkbun.com.
NS
  • curitiba.ns.porkbun.com.
  • fortaleza.ns.porkbun.com.
  • maceio.ns.porkbun.com.
  • salvador.ns.porkbun.com.

Live preview

This is a live, sandboxed embed of annotatepdf.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
max-age=3, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
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://annotatepdf.io/HTTP 301

    → https://annotatepdf.io/

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

Meta tags

Title
How to make notes in a PDF - Annotate PDF
Description
Try online service for easy PDF annotation right in your browser, without installing any additional software.
Canonical
https://annotatepdf.io/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Not set
Open Graph title
How to make notes in a PDF - Annotate PDF
Open Graph description
Try online service for easy PDF annotation right in your browser, without installing any additional software.
Open Graph image
https://annotatepdf.io/wp-content/uploads/sites/37/2026/01/image-1400x805.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
10
Disallow rules (other agents)
0

Sitemap declared:

  • https://annotatepdf.io/sitemap_index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.