Website Security Tools
These tools help you check how safely a website is set up and whether a connection looks trustworthy. They're handy for developers, site owners, and anyone curious about a site before trusting it.
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Security guides
What Can Websites See About You?Every site you visit learns more than you might think. Here's exactly what's visible, what isn't, and how to share less.What Is Browser Fingerprinting?Sites can identify you without cookies by combining dozens of browser details into a 'fingerprint'. Here's how it works and how to fight it.What Is DNS over HTTPS?DNS over HTTPS encrypts your DNS lookups so nobody can snoop on or tamper with the sites you visit. Here's how it works and how to turn it on.
Frequently asked questions
How do I check if a site is secure?
Start with the SSL checker to confirm a valid HTTPS certificate, then run the security header analyzer to see whether the site sets protective headers like HSTS and CSP.
What are security headers?
They're response headers that tell browsers to enforce protections, such as forcing HTTPS or blocking the page from being framed. More of them generally means a safer site.