Is your padlock telling the truth?
A green padlock doesn't mean much on its own. We check your certificate's validity and expiry, the TLS version you actually negotiate, and whether HSTS is set — free, in seconds.
Crawling your site…
We’re walking your site page by page, reading it the way search engines do. Takes 1–3 minutes for most sites.
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What the check measures
Everything a browser checks before it shows the padlock, and the warnings your visitors see when something is wrong.
- Certificate validityTrusted, issued for your domain and not self-signed.
- ExpiryDays left, flagged well before it lapses.
- TLS version & cipherModern encryption only: TLS 1.2 or 1.3.
- HSTS & redirectWhether browsers are kept on HTTPS on every visit.
Check everything at once.
Create a free Codexio Dash account and we’ll run all seven checks on your website: speed, SEO, AI readiness, your Google listing, SSL, security headers and email. The report stays in your dashboard, and you can re-run it whenever you change something.