Network connection required
Network intelligence
Check My IP
Inspect your public IP and approximate network information after you choose to connect.
Open related tool
Network intelligenceNetwork connection required
HTTP Header Checker
Review selected response and security headers for a public URL.
How it works
Inspect an allowlisted set of response and security headers on a public URL after validated redirects.
Privacy
The URL is sent to SFranKey and the public target. Set-Cookie and arbitrary raw headers are never returned to the browser.
FAQ
Does a present CSP mean the site is secure? No. Presence is informational; policy quality still requires review.
Next recommendations
View all→