Website checker: uptime, redirects, headers and speed
Is it down, slow, insecure or misconfigured? These tools look at a website the way a browser and a search engine do.
11
tools
11
live now
11 tools
No tool matches. Try “dns”, “mail” or “ping”, or see every tool.
Reachability and speed
6Security and stack
2Common questions
Check if a website is up, trace redirects, grade security headers, measure speed and detect the technology behind it.