indexo.dev

worldchesscalendar.com

.com crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1440 ms crawled 2026-05-30

US · 104.21.50.132 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
World Chess Calendar: Find where to play chess!
Description
The only app you will ever need to find a chess tournament in any country. You can play chess anywhere! Chess calendar, fide calendar.
Language
en
Canonical
https://www.worldchesscalendar.com

Open Graph

url
https://www.worldchesscalendar.com
title
World Chess Calendar: Find where to play chess!
description
The only app you will ever need to find a chess tournament in any country. You can play chess anywhere! Chess calendar, fide calendar.

Technology

CDN
Cloudflare
CMS
Next.js
Analytics
  • Cloudflare Insights
  • Google Tag Manager

Third-party hosts loaded (2)

  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2023-06-29
Expires
2026-06-29 28 days left
Updated
2025-06-30
Name servers
  • lia.ns.cloudflare.com
  • remy.ns.cloudflare.com

DNS records live

NS
  • lia.ns.cloudflare.com
  • remy.ns.cloudflare.com
Verified for
  • Google

Email authentication no MX

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

Certificate (current)

WE1
from 2026-04-09 to 2026-07-08
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.worldchesscalendar.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
default-src 'self' vercel.live *.cloudflareinsights.com *.web3forms.com *.posthog.com *.clarity.ms *.googletagmanager.com *.googlesyndication.com *.quantcast.com *.inmobi.com *.google-analytics.com *.bing.com; script-src 'self' vercel.live *.cloudflareinsights.com *.web3forms.com *.posthog.com *.clarity.ms *.googletagmanager.com *.googlesyndication.com *.quantcast.com *.inmobi.com *.google-analytics.com *.bing.com 'unsafe-eval' 'unsafe-inline'; style-src 'self' vercel.live *.cloudflareinsights.com *.web3forms.com *.posthog.com *.clarity.ms *.googletagmanager.com *.googlesyndication.com *.quantcast.com *.inmobi.com *.google-analytics.com *.bing.com 'unsafe-inline'; frame-src 'self' vercel.live *.cloudflareinsights.com *.web3forms.com *.posthog.com *.g.doubleclick.net *.googlesyndication.com *.google.com *.clarity.ms *.googletagmanager.com *.googlesyndication.com *.quantcast.com *.inmobi.com *.google-analytics.com *.bing.com; img-src 'self' vercel.live *.cloudflareinsights.com *
strict-transport-security
max-age=63072000

Links to (3)

Linked from (2)