Website Health Score

HTTPS, certificate, security headers and email authentication in one score

Free Online Tool

Website Health Score — Complete Guide & Instructions

A single composite score for any domain — HTTPS reachability, certificate validity, HSTS, core security headers and email authentication — distilled into a 0–100 score with a per-check breakdown.

How to Use Website Health Score

  1. 1 Enter a domain name.
  2. 2 Click Check — all health signals are gathered.
  3. 3 Read the score, grade and individual check results.

Key Features & Capabilities

  • Weighted 0–100 composite score with A–D grade.
  • HTTPS, certificate days-remaining and HSTS.
  • Core security header coverage.
  • SPF and DMARC email authentication.