indexo.dev

percentage-change-calculator.com

.com crawl

First seen 2026-05-16 · Last seen 2026-05-27 · ok HTTP/1.1 200 3193 ms crawled 2026-05-21

DE · 52.57.221.121 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type landing page

HTML metadata

Title
Percent change calculator: percentage increase/decrease
Description
Use our free percent change calculator to calculate the percentage change between two numbers. What is the percentage increase/decrease from one number to another?
Language
en-us
Canonical
https://percentage-change-calculator.com/

Technology

Server
Apache
Ads
  • Google Ads (DoubleClick)

Third-party hosts loaded (6)

  • go.ezodn.com×1
  • open.video×1
  • privacy.gatekeeperconsent.com×1
  • securepubads.g.doubleclick.net×1
  • the.gatekeeperconsent.com×1
  • www.ezojs.com×1

Contact

Email

Registration

Registrar
NameWeb BVBA
Created
2017-01-08
Expires
2027-01-08 221 days left
Updated
2026-01-06
Name servers
  • harrier.ezoicns.com
  • lobster.ezoicns.com

DNS records live

NS
  • harrier.ezoicns.com
  • lobster.ezoicns.com
  • tiffany.ezoicns.com
  • vulture.ezoicns.com
MX
  • 0 mail.percentage-change-calculator.com

Email authentication weak

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

Certificate (current)

E8
from 2026-04-07 to 2026-07-06
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://percentage-change-calculator.com/

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 (3)