tdee.io

.io crawl

First seen 2026-04-30 · Last seen 2026-05-08 · ok HTTP/1.1 200 320 ms crawled 2026-05-07

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

sector health type landing page

HTML metadata

Title: TDEE Calculator: Get Your Total Daily Energy Expenditure (2026)
Description: Use our free TDEE calculator to estimate your Total Daily Energy Expenditure, maintenance calories, weight loss or gain targets, and macro splits.
Language: en
Canonical: https://tdee.io

Open Graph

url: https://tdee.io
title: TDEE Calculator
locale: en_US
site name: TDEE.io
description: Free TDEE calculator to estimate maintenance calories, calorie targets for fat loss or weight gain, and simple macro splits.

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

TXT

google-site-verification=WwPR326LGgGrofMisb0NCsxaJPo9AnX_1QVZNXGQBuo

Email authentication weak

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-09 to 2026-06-07

Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://tdee.io/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000

Linked from (18)