indexo.dev

percentage-calculator.io

.io crawl

First seen 2026-04-21 · Last seen 2026-05-17 · ok HTTP/1.1 200 732 ms crawled 2026-05-14

US · 172.67.152.115 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Percentage Calculator | Percentage Calculator
Description
Percentage Calculator is a free online tool to calculate percentage related questions.
Language
en-US
Canonical
https://percentage-calculator.io
Translations
  • zh ×3
  • ar ×2
  • az ×2
  • cs ×2
  • da ×2
  • de ×2
  • el ×2
  • en ×2
  • es ×2
  • fa ×2
  • fi ×2
  • fr ×2
  • he ×2
  • hi ×2
  • hu ×2
  • id ×2
  • it ×2
  • ja ×2
  • ko ×2
  • ms ×2
  • nb ×2
  • nl ×2
  • pl ×2
  • pt ×2
  • ro ×2
  • ru ×2
  • sr ×2
  • sv ×2
  • sw ×2
  • th ×2
  • tr ×2
  • uk ×2
  • vi ×2

Open Graph

url
https://percentage-calculator.io
title
Percentage Calculator
locale
en_US
site name
Percentage Calculator
description
Percentage Calculator is a free online tool to calculate percentage related questions.
locale:alternate
zh_Hant

Technology

CDN
Cloudflare
CMS
Nuxt
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

DNS records live

NS
  • jean.ns.cloudflare.com
  • woz.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 2026-04-05 to 2026-07-04
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://percentage-calculator.io/

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

Linked from (2)