Free uptime monitoring for websites and APIs with 5-minute checks and email alerts
Continuous monitoring of your website, domain and security with actionable alerts and fixes
Stage
Not given
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Founded
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Based in
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SK
Pricing model
Free
Freemium
Pricing
Not given
Free plan with 1 domain (no credit card required); Starter €5/month for up to 5 domains; Business €18/month for up to 20 domains; Enterprise custom pricing for 50+ domains. Annual billing available at 17% discount. Additional domains available at €5/month per 5 domains.
Key features
URL and API uptime monitoring with configurable 1–60 minute intervals
Email down and recovery alerts
SSL certificate expiry warnings at 30 and 7 days
Public status pages
Ping history and uptime analytics
Maintenance window scheduling
Webhook URL configuration for status changes
Team management
Repeat reminder alerts for ongoing downtime
Uptime monitoring with response time tracking
SSL certificate expiry and validity monitoring
DNS record monitoring including SPF, DKIM and DMARC
Domain hijacking detection
IP reputation and blocklist checking
Security header validation
WHOIS monitoring for domain expiry and registrar changes
Open port detection on monitored domains
Content change detection and alerts
Maintenance window scheduling to suppress alerts during planned downtime
What makes it different
Completely free with no credit card required
Monitor any HTTP endpoint including websites, APIs, and health checks
Public status pages with no login required
Plain-language explanations with exact fix steps for every issue found
Viglar Events timeline showing complete incident history and recovery progression
Client-facing security reports with scores and PDF export
Folder-based alert routing for different teams and clients