5-Layer Monitoring Platform

Monitor Everything.
Miss Nothing.

Enterprise-grade website monitoring that goes beyond uptime. Track performance, SSL certificates, DNS records, and visual changes - all from one beautiful dashboard.

No credit card required
14-day free trial
Cancel anytime
monitoring.layers = 5

5-Layer Monitoring System

Most tools give you 1-2 monitoring types. We give you all 5, working together.

Uptime

HTTP/HTTPS + TCP/UDP checks from global edge nodes

< 1s response

Performance

TTFB, FCP, LCP, CLS metrics with trend analysis

Core Web Vitals

SSL/TLS

Certificate chain validation, expiry alerts, security grades

30-day warnings

DNS

A, AAAA, MX, TXT, NS, SOA record tracking with history

Change detection

Visual

Pixel-by-pixel comparison with SHA256 hashing

Defacement detect
visual_monitoring.enabled = true

Visual Change DetectionBeyond Simple Uptime

Your site can be "up" but completely broken. We capture screenshots, compute pixel-by-pixel differences, and alert you when your UI changes unexpectedly.

Pixel-Perfect Comparison

Detects changes as small as 0.1% using advanced diffing algorithms

Defacement Detection

SHA256 content hashing catches unauthorized changes instantly

Visual History

Browse previous screenshots and compare any two points in time

visual-check.log
# Visual monitoring output
Capturing screenshot...
Computing SHA256 hash...
hash: e1618d39a4b7c2f1...
Running pixelmatch diff...
UI_CHANGED detected
Visual difference: 91.2%
Baseline mismatch: true
Alert dispatched via email, slack

Everything You Need

Powerful features to keep your websites and APIs running smoothly

Smart Alerts

Get notified via Email, Slack, Discord, WhatsApp, or Webhooks when issues arise

Analytics Dashboard

Comprehensive metrics and trends with exportable reports

1-Minute Checks

Monitor your services as frequently as every minute

Team Management

Invite team members with role-based access control

Multi-Region

Monitor from multiple geographic locations worldwide

Auto-Recovery

Track recovery times and get resolution notifications

Incident Management

Track, acknowledge, and resolve incidents efficiently

SLA Tracking

Monitor uptime against your service level agreements

Instant Setup

Add your first monitor in under 30 seconds

Get Alerted Your Way

Multiple notification channels to ensure you never miss a critical alert

Email
Slack
Discord
WhatsApp
Webhooks
PagerDuty

Why Choose Visual Sentinel?

The difference: Basic uptime tools say "200 OK" even when your site is visually broken.A WordPress plugin update, CSS conflict, or JavaScript error can destroy your UI - we catch that.

Basic Uptime Tools

  • Only check if server responds "200 OK"
  • Can't see visual/layout breakage
  • No SSL expiry warnings
  • No DNS change detection
  • Need multiple tools = multiple costs

Visual Sentinel

  • All 5 monitoring layers in one platform
  • Catches "visually broken" sites
  • 30-day SSL expiry warnings
  • DNS hijack detection
  • One tool, one price, complete coverage

Start Monitoring in 30 Seconds

Join thousands of developers and DevOps teams who trust Visual Sentinel to keep their infrastructure running smoothly.

No credit card required • 14-day free trial • Cancel anytime