indexo.dev

apcacontrast.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-15 · ok HTTP/1.1 200 993 ms crawled 2026-05-12

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
APCA Contrast Calculator
Description
The APCA Accessible Perceptual Contrast Algorithim SIMPLE VERSION.
Language
en-US
Canonical
https://apcacontrast.com/

Open Graph

url
https://apcacontrast.com/
title
APCA Contrast Calculator
site name
APCA Contrast Calculator
description
The APCA Accessible Perceptual Contrast Algorithim BASIC VERSION.

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×4
  • cdn.jsdelivr.net×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
Porkbun LLC
Created
2021-01-31
Expires
2027-01-31 256 days left
Updated
2026-01-30
Name servers
  • curitiba.ns.porkbun.com
  • fortaleza.ns.porkbun.com
  • maceio.ns.porkbun.com
  • salvador.ns.porkbun.com

DNS records live

NS
  • curitiba.ns.porkbun.com
  • fortaleza.ns.porkbun.com
  • maceio.ns.porkbun.com
  • salvador.ns.porkbun.com
TXT
  • google-site-verification=04H21vdFu_aySj760SAyMZc-27XTM5tXyYdDrq_nzsc

Email authentication no MX

SPF
v=spf1 mx include:_spf.porkbun.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-12 to 2026-07-11
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://apcacontrast.com/

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 (2)