indexo.dev

papersizes.io

.io crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 1974 ms crawled 2026-05-10

US · 172.67.217.85 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Paper Sizes | A comprehensive resource listing all paper sizes, dimensions and formats.
Description
A simple, free, comprehensive resource for finding the international standards for paper sizes in metric and imperial.
Language
en
Canonical
https://papersizes.io
Translations
  • de
  • en
  • es
  • hi
  • zh-hans
  • zh-hant

Open Graph

url
https://papersizes.io
title
Paper Sizes
description
A simple, free, comprehensive resource for finding the international standards for paper sizes in metric and imperial.

Technology

CDN
Cloudflare
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

DNS records live

NS
  • miguel.ns.cloudflare.com
  • noor.ns.cloudflare.com
MX
  • 10 mx1.krystal.uk
  • 20 mx2.krystal.uk
TXT
  • google-site-verification=Z7k945O3ZuncpmyFJ_O_Wzo2nOuZg_l16se0sv7I9S8

Email authentication weak

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

Certificate (current)

E7
from 2026-05-03 to 2026-08-01
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)