indexo.dev

jonathanmayer.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 555 ms crawled 2026-05-18

US · 172.67.203.2 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Jonathan Mayer
Description
Jonathan Mayer, Associate Professor of Computer Science and Public Affairs at Princeton University.
Language
en
Canonical
https://jonathanmayer.org/

Open Graph

url
https://jonathanmayer.org/
title
Jonathan Mayer
description
Associate Professor of Computer Science and Public Affairs at Princeton University.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (6)

  • stackpath.bootstrapcdn.com×2
  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • fonts.googleapis.com×1
  • use.fontawesome.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Cloudflare, Inc.
Created
2009-04-03
Expires
2027-04-03 318 days left
Updated
2026-03-14
Name servers
  • anna.ns.cloudflare.com
  • kai.ns.cloudflare.com

DNS records live

NS
  • anna.ns.cloudflare.com
  • kai.ns.cloudflare.com
TXT
  • google-site-verification=YV3YAIoOZTHw0HaF8SeB-WPwjDGtSPd4hUSzOGlc3wA

Email authentication no MX

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

Certificate (current)

WE1
from 2026-04-03 to 2026-07-02
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jonathanmayer.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15552000; preload

Links to (1)

Linked from (1)