Everything You Need to Stay Online
updown.website is a comprehensive website monitoring platform that watches your sites around the clock so you can focus on building - not babysitting servers. Zero config, no integrations required - just add a domain and go.
Free for Everyone — No Account Required
Every site we monitor is visible to the public. No login needed to check status or browse data.
Real-Time Status Dashboard
Live up/down status, response times, and uptime percentages for every monitored site — updated every 30 seconds.
SSL & Security Analysis
Certificate details, expiry tracking, issuer info, security headers audit (CSP, HSTS, X-Frame-Options, and more) with a scored summary.
DNS Intelligence
Full DNS record viewer (A, AAAA, MX, NS, TXT, CAA, SOA, CNAME), DNSSEC validation, propagation consistency checks across global resolvers.
Email Security Posture
SPF, DKIM, DMARC, BIMI, MTA-STS, and DANE/TLSA analysis with an overall strength rating — know if your email is spoofable.
Core Web Vitals
Performance, accessibility, best practices, and SEO scores — run on-demand with one click.
Network & Port Scanning
ICMP ping, traceroute, open port detection across 100+ common ports, and service fingerprinting (HTTP, SMTP, FTP, SSH, etc.).
Technology Detection
Automatically identifies web servers, CDNs, CMS platforms, frameworks, analytics tools, and more from headers, HTML, and DNS.
Subdomain Discovery
Passive subdomain enumeration to map a domain's attack surface — discover forgotten or shadow subdomains.
robots.txt & WHOIS
Parse and display robots.txt rules, plus WHOIS registration data including registrar, expiry, nameservers, and contact info.
SMTP Deep Checks
Banner grab, STARTTLS support, AUTH mechanisms, and mail server capability analysis for every MX host.
Historical Charts & Trends
Interactive response-time and availability charts (24h, 7d, 30d). Platform-wide aggregate health chart on the homepage.
Community & Global Chat
Per-site discussion threads with voting, issue reporting, and a global chat with #domain tagging and @handle mentions.
Incident Timeline
Automatic incident detection with start/end timestamps, duration, failure type classification, and resolved-incidents history.
Embeddable Badges
SVG uptime and status badges for any domain — drop them into your README, docs, or status page.
Public JSON API
Free, open, no-auth API endpoints for status, incidents, and SLA data — build your own integrations.
Pro Dashboard — Your Domains, Your Rules
Sign up to unlock your personal monitoring dashboard. Free tier available, Pro subscription for power users.
Add Your Own Domains
Register any domain for monitoring. Configure check intervals, keyword monitoring, and expected status codes.
Multi-Channel Alerts
Get notified via email, Slack, Discord, or webhook the moment your site goes down — and when it recovers.
Heartbeat / Cron Monitoring
Ping-based monitoring for cron jobs, scheduled tasks, and background workers. Get alerted if a heartbeat is missed.
SLA Reports
Monthly uptime SLA reports with availability percentages, incident counts, and response-time summaries — ready for clients.
Branded Status Pages
Create a public status page for your organisation with your logo, custom description, and selected sites — like statuspage.io but free.
Starred Sites
Star your favourite domains for quick access. Your dashboard shows only what matters to you.
Maintenance Windows
Schedule maintenance windows so planned downtime doesn't trigger false alerts or affect your SLA reports.
Keyword Monitoring
Check that a specific keyword appears (or doesn't appear) on your page — catch defacements, errors, or unexpected content.
Domain Verification
Verify ownership via DNS TXT record to unlock branded status pages and advanced configuration for your domains.
Ready to stop guessing and start monitoring?
Join thousands of developers and teams who trust updown.website to keep them informed.
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