json-ld.org

.org crawl

First seen 2026-04-20 · Last seen 2026-05-16 · ok HTTP/1.1 200 427 ms crawled 2026-05-14

US · 172.67.196.123 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
JSON-LD - JSON for Linked Data
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×3

Social

Registration

Registrar
Gandi SAS
Created
2010-10-14
Expires
2026-10-14 147 days left
Updated
2025-08-20
Name servers
  • darwin.ns.cloudflare.com
  • kristina.ns.cloudflare.com

DNS records live

NS
  • darwin.ns.cloudflare.com
  • kristina.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1
from 2026-04-12 to 2026-07-11
Expires in 53 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://json-ld.org/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (10)

Linked from (2)