Free Website Management Tools Online
Free website diagnostic and monitoring tools for webmasters and developers. Test page speed, check SSL certificate validity, inspect HTTP response headers, and verify website uptime — all from your browser.
Website performance and security are critical for both user experience and search rankings. These tools help you quickly diagnose issues: slow page loads, expired SSL certificates, missing security headers, or server downtime — without needing complex monitoring software.
Frequently Asked Questions
What is a good website load speed?
Google recommends page load times under 3 seconds. Under 1 second is ideal for a good Core Web Vitals score. Use the speed test to identify slow resources.
How do I check if my SSL certificate is valid?
Use the SSL Checker — enter your domain and it shows the certificate expiry date, issuer, and whether the certificate chain is correctly configured.
What are HTTP security headers?
Security headers like Content-Security-Policy, X-Frame-Options, Strict-Transport-Security (HSTS), and X-Content-Type-Options protect against XSS, clickjacking, and MIME sniffing attacks.
Can I check if a website is down for everyone?
Yes. The Website Status Checker queries the site from a remote server, so you can tell if the outage is just your network or affecting everyone.