Check a URL before an agent clicks or cites it: status, redirects, dead/parked, phishing flags.
Free
One server, in security & testing. Check a URL before an agent clicks or cites it: status, redirects, dead/parked, phishing flags.
Security & Testing
Check a URL before an agent clicks or cites it: status, redirects, dead/parked, phishing flags.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.