SiteAlive.io – Your Complete Website & Network Diagnostic Platform
Find Problems Fast. Fix Them Smarter.
When a website goes down, runs slowly, or behaves strangely, the issue is not always the website itself. It could be DNS errors, server downtime, blocked ports, routing failures, SSL problems, or local network issues.
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SiteAlive.io is built to help users quickly identify exactly where the problem is — with a powerful suite of free online diagnostic tools, no sign-up required. For professionals and businesses, SiteAlive Pro adds advanced monitoring, more daily checks, and premium features.
Core Diagnostic Tools
DNS & Domain Tools
Make sure your domain is resolving correctly and your DNS changes are working worldwide.
DNS Lookup – Check if a domain points to the correct IP address
DNS Propagation Checker – Track DNS updates across global servers in real time
WHOIS Lookup – View ownership, nameservers, and domain expiry details
Website IP Lookup – Resolve any domain to its IP address
Reverse IP Lookup – Discover domains hosted on the same IP
Network Testing Tools
Connectivity & Routing
Find out if a server is online, reachable, or blocked somewhere along the path.
Ping Test – Measure latency and response time
Traceroute – See every network hop and locate delays or failures
Port Scanner – Test if ports like HTTP, HTTPS, SMTP, and others are open
Performance Tools
Speed & User Experience
Understand why a website feels slow and where bottlenecks happen.
Website Speed Test – Analyze loading speed and performance issues
Security Tools
Protect Your Website
Scan for common vulnerabilities and configuration problems.
HTTP Header Checker – Inspect redirects, cache rules, security headers, and CDN settings
Website Security Test – Detect SSL issues, missing protections, and vulnerabilities
Privacy & Identity Tools
Understand Your Own Connection
See what websites can detect about your network and browser.
What Is My IP – View your public IP, ISP, location, and VPN/proxy status
Network Fingerprint Scanner – Detect WebRTC leaks, DNS-over-HTTPS status, and visible browser/network signals
Why SiteAlive.io?
✅ Free tools with instant results
✅ No registration required
✅ Easy to use for beginners
✅ Powerful enough for IT professionals
✅ Premium monitoring available with SiteAlive Pro
Perfect For
Website owners
Developers
SEO experts
IT teams
Hosting providers
Security professionals
Anyone troubleshooting internet problems
SiteAlive.io in One Sentence
SiteAlive.io is an all-in-one platform for testing, monitoring, securing, and troubleshooting websites, servers, domains, and internet connections.