Webalert
Website & Uptime Monitoring That Catches Silent Outages·web-alert.io
Webalert is a website and infrastructure uptime monitoring service that checks HTTP/HTTPS, TCP ports, DNS records, Ping, and heartbeat/cron jobs from multiple global locations (US, EU, APAC). It sends instant alerts via email, Slack, and on paid plans SMS, Discord, Teams, and webhooks when downtime or abnormal behavior is detected. The platform also offers public branded status pages, incident and maintenance management, SSL certificate expiry alerts, and smart alerting features such as anomaly detection, flap detection, and alert correlation.
What it's for
Features 21
- Alert correlation grouping simultaneous failures
- Anomaly detection using Z-score baseline analysis
- Content change detection
- DNS record monitoring (A, AAAA, CNAME, MX, TXT)
- DOM structure change monitoring
- Flap detection to suppress rapid up/down alerts
- Heartbeat/cron job monitoring
- HTTP/HTTPS website and API monitoring with custom headers and keyword validation
- Incident management with timelines and auto-creation
- Multi-region checks from US, EU, and APAC
- On-call schedules and escalation policies
- Ping/ICMP monitoring
- Public branded status pages with custom domain support
- Response time tracking with 30-day and 1-year history
- Scheduled maintenance windows that pause alerts
- SEO cloaking detection
- SLA tracking and error budgets
- SSL certificate expiry alerts (30, 14, 7, 1 day)
- Subscriber notifications for status pages
- TCP port monitoring
- Uptime badges for embedding
At a glance
Integrations
Complianceself-reported
Resources
Pricing
Prices are stated in EUR. Starter is €9/month or €7.20/month billed annually (€86.40/year); Business is €29/month or €23.20/month billed annually (€278.40/year). Enterprise is custom/quote-based. A 14-day money-back guarantee is offered on paid plans.
Free forever, no credit card required
3 monitors, 10-minute check intervals, 1 status page, 30-day data retention
7-day free trial; most popular plan
10 monitors, 1-minute check intervals, 2 status pages, 60-day data retention
7-day free trial; On-call scheduling & escalation available as add-on
50 monitors, 1-minute check intervals, 5 status pages with custom domains, 1-year data retention
Custom pricing, contact sales
Custom monitor limits and SLAs
Annual billing saves roughly 20% versus paying monthly (e.g. Starter €86.40/year vs €108/year monthly, Business €278.40/year vs €348/year monthly)