Free Online Security,
SEO & Privacy Tools
HTTP headers, SSL checkers, meta tag analyzers, link scanners and more — no signup, always free.
Tools
4 toolsHTTP Header Checker
Analyze HTTP response headers for any URL. Check security headers, caching policies, and server configuration.
Email Header Analyzer
Parse raw email headers to trace message routing, check SPF/DKIM/DMARC, and detect delays.
SSL Certificate Checker
Check any domain's SSL/TLS certificate. See issuer, expiry date, protocol version, and chain details.
Link Safety Scanner
Check if a URL is safe before clicking. Scans against threat databases for phishing and malware.
From the Blog
View all →The Privacy Audit Checklist Every Webmaster Should Run
Learn how to audit your website's privacy settings with a practical checklist covering cookies, headers, trackers, third-party scripts, and policy compliance.
CCPA Compliance for Small Websites: What You Actually Need
A practical CCPA compliance checklist for small websites — who it applies to, what to add to your privacy policy, cookie banners, and how to honor opt-outs.
Cookie Policies Explained: When Your Site Actually Needs One
What is a cookie policy and do you need one? Learn when it's legally required, what to include, and how to audit your site's cookies properly.