indexo.dev

seochecker.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 812 ms crawled 2026-05-19

GB · 172.236.1.63 · AS63949 Akamai Connected Cloud

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
The Ultimate SEO, Speed, and Security Optimizer
Description
Swiftly identify and rectify SEO issues, speed bottlenecks, and security vulnerabilities, ensuring your website runs smoothly and ranks well.
Language
en
Canonical
https://seochecker.io/

Open Graph

url
https://seochecker.io/
title
The Ultimate SEO, Speed, and Security Optimizer
description
Swiftly identify and rectify SEO issues, speed bottlenecks, and security vulnerabilities, ensuring your website runs smoothly and ranks well.

Technology

Server
nginx
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×4
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

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

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-07-27 to 2026-08-04
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://seochecker.io/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
origin
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (3)

Linked from (1)