Diagnostic Tools
A comprehensive suite of free diagnostic tools to help you monitor, troubleshoot, and optimize your online infrastructure.
Website Down Checker
Quickly check if a website is down or experiencing connectivity issues globally.
SSL & TLS Checker
Verify SSL/TLS certificate validity, expiration dates, CA issuer trust, cipher suites, and protocol security.
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, CNAME) to troubleshoot domain resolution and configuration errors.
Web Core Vitals Checker
Analyze page load speed, interactivity, and visual stability to optimize user experience and SEO performance.
Broken Link Checker
Scan pages to detect 404 dead links, broken redirects, and unreachable URLs affecting SEO.
Ping Test & Latency Inspector
Measure real-time host reachability, roundtrip latency (min, max, average), and packet loss rate.
Website Speed Test
Analyze website loading speed, Time To First Byte (TTFB), transfer size, performance scores, and optimization tips.
Domain Expiry Checker
Verify domain registration dates, expiration dates, days remaining, WHOIS status, and registrar authority.