| What it does | Real-time monitoring for website performance, reliability and uptime
| AI-powered website change monitoring platform that watches competitor pricing, docs, careers pages, and policy changes
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| Stage | Not given
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| Founded | Not given
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| Based in | PL
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| Free: 10 monitored URLs, 14-day history, all alert channels, AI filtering/summaries, API/MCP access, unlimited checks (best-effort frequency). Starter: $29/mo for 150 URLs, 30-day history, priority checking. Pro: $79/mo for 1,000 URLs, 90-day history. Business: $199/mo for 5,000 URLs, 365-day histor
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| Key features | - Lighthouse audits from desktop and mobile with side-by-side scoring
- Uptime monitoring with 99.999% SLA
- Core Web Vitals tracking including LCP, CLS, FCP, INP
- Deploy regression detection comparing before and after release metrics
- Multi-region monitoring from 12 regions across every major continent
- Per-region response time analysis with P90, P95, P99 percentiles
- Frontend error tracking grouped by release and browser
- SSL and domain expiry monitoring with 30-day advance warning
- Flexible alerting rules combining status code, response time, body content and SSL expiry
- Multi-channel alerts via email, Slack, Discord, Telegram and webhooks
| - AI change filtering - LLM filters out noise so only relevant changes trigger alerts
- AI change summary - LLM-generated summaries explain what changed
- Multi-channel alerts - Slack, Discord, Teams, email, webhooks
- Screenshot overlays - Before and after screenshots with each alert
- REST API and MCP server - Programmatic access and AI agent integration
- Adaptive checking - Frequency adjusts based on page change cadence
- Role-based team access - Admin, editor, and viewer permissions
- History retention - Plan-dependent retention from 14 days to 2 years
- Priority checking on paid plans - Faster URL monitoring frequency
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| What makes it different | - Automatically surfaces regressions within minutes of deployment rather than discovering them through support tickets
- Breaks down page weight by transfer size to show exactly which images are slowing load times
- Automatically surfaces noisy details like console errors and unhealthy JS libraries
- Checks from multiple regions so you catch outages before users do
- First alert in under 60 seconds from monitor creation
| - Only changes that matter - AI filters noise from the constant web changes
- Robust infrastructure - Works with 99% of public web pages
- No credit card required for free plan - 10 URLs monitored forever
- Adaptive scheduling - Pages checked based on their change frequency
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +1 (up) since last check | 26 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 5 |
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| Citation Flow (Majestic) | 20 | 24 |
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| Referring domains (Majestic) | 9 | 18 |
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