See what’s really happening on the web.
Check websites, inspect URLs, analyze IPs and diagnose network issues with a clean, fast toolkit.
Website tools
Quick answers before you open the next tab.
Website Status
Instant UP/DOWN status, HTTP response and response time.
Website Uptime
Track observed uptime over 24 hours, 7 days and 30 days.
URL Safety
Inspect HTTPS, redirects and security signals.
HTTP Headers
Inspect response headers and security controls.
SSL Checker
Check HTTPS and certificate reachability.
Redirect Checker
Follow a URL and inspect every redirect hop.
Security Headers
Review browser-facing security headers and gaps.
IP & Network
Everything around the address behind a website.
IP Lookup
IP, country, ISP, ASN and organization.
DNS Lookup
A, AAAA, CNAME, MX, TXT and NS records.
DNS Speed Check
Compare resolver response times.
DNS Propagation
Compare DNS responses across public resolvers.
WHOIS Lookup
Registration and domain lifecycle data.
Ping / Latency
Measure reachable host response time.
Port Checker
Check a selected TCP service port.
MX Lookup
Inspect mail exchange servers.
Domain Expiry
See registration and expiration dates.
User Agent
Understand the browser and device string.
HTTP Status
Check status code and redirects.
Security & SEO checks
Inspect the public signals that help you troubleshoot, harden and publish a website.
Have a question about WebLens?
Send us a message and we’ll get back to you.
Keep WebLens free for everyone.
Buy us a coffee and help support the tools, servers and future features.
One lens. Many checks.
Paste a domain, URL or IP above and WebLens will route the input to the right diagnostic.