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ggplot2-book.org

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First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 362 ms crawled 2026-05-31

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
ggplot2: Elegant Graphics for Data Analysis (3e)
Language
en
Generator
quarto-1.9.38

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2019-06-21
Expires
2026-06-21 19 days left
Updated
2025-06-25
Name servers
  • ns-1152.awsdns-16.org
  • ns-1.awsdns-00.com
  • ns-1672.awsdns-17.co.uk
  • ns-566.awsdns-06.net

DNS records live

NS
  • ns-1.awsdns-00.com
  • ns-1152.awsdns-16.org
  • ns-1672.awsdns-17.co.uk
  • ns-566.awsdns-06.net

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-07 to 2026-08-05
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ggplot2-book.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (2)