varianceexplained.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-17 · ok HTTP/1.1 200 273 ms crawled 2026-05-06

US · 192.30.252.153 · AS36459 GitHub, Inc.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title

Variance Explained

Description

Blog on R, statistics, and education

Language

Canonical

http://varianceexplained.org/

Feeds

Variance Explained Feed Atom

Open Graph

url: http://varianceexplained.org/
title: Variance Explained
locale: en_US
site name: Variance Explained
description: Blog on R, statistics, and education

Technology

CDN: GitHub Pages
Server: GitHub.com

Fonts

Google Fonts

Third-party hosts loaded (3)

ajax.googleapis.com×1
cdn.mathjax.org×1
fonts.googleapis.com×1

Social

Registration

Registrar

NameCheap, Inc.

Created

2014-12-05

Expires

2034-12-05 3122 days left

Updated

2025-12-07

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

Email authentication no MX

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

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36

from 2026-04-14 to 2026-07-13

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://varianceexplained.org/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy