indexo.dev

jamiesimon.io

.io crawl

First seen 2026-05-07 · Last seen 2026-05-07 · ok HTTP/1.1 200 2093 ms crawled 2026-05-14

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Jamie Simon
Description
Jamie Simon — ML researcher and writer. Personal site with blog posts on machine learning theory, math, physics, and science.
Language
en
Canonical
https://jamiesimon.io/
Feeds

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×2
  • ajax.googleapis.com×1
  • cdn.jsdelivr.net×1
  • maxcdn.bootstrapcdn.com×1

Social

DNS records live

NS
  • ns1glr.name.com
  • ns2fgv.name.com
  • ns3fgh.name.com
  • ns4lpv.name.com
TXT
  • google-site-verification=VLA8tT8Y8K0bJa5WZN-SZs5WY9MgrTsqaD3wL0_dYAg

Email authentication no MX

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

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jamiesimon.io/

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

Links to (6)

Linked from (1)