rdrr.io

.io crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 1774 ms crawled 2026-05-05

DE · 138.201.54.179 · AS24940 Hetzner Online GmbH

Reputation 100/100

sector tech type docs

HTML metadata

Title: R Package Documentation
Description: A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.
Language: en
Canonical: https://rdrr.io/

Open Graph

title: R Package Documentation
description: A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.

Technology

CMS: Gatsby

Analytics

Google Tag Manager

Fonts

Google Fonts

Social widgets

Twitter Widget

Third-party hosts loaded (4)

fonts.googleapis.com×2
media.ethicalads.io×1
platform.twitter.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns-1181.awsdns-19.org
ns-15.awsdns-01.com
ns-1820.awsdns-35.co.uk
ns-669.awsdns-19.net

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

TXT

yandex-verification: 3ea3262abe63a8ad
google-site-verification=gD2lbBR99ElUI15KAG_W6mYqXZ8uShHt7g5nDgYY7oY

Certificate (current)

R12

from 2026-03-12 to 2026-06-10

Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://rdrr.io/

present

strict-transport-security
x-frame-options

findings

missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=15724800; includeSubDomains