| What it does | Test, Monitor, and Optimize Web Performance
| Web Performance Monitoring for Every Team
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| Stage | Established
| Established
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| Founded | 2009
| 2017
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| Based in | Not given
| AU
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| Pricing model | freemium
| subscription
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| Pricing | Free trial available; paid plans start at $4.99/month (Lite) up to $49.99/month (Expert) with yearly billing options at 2 months discount
| Not given
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| Key features | - Web Vitals tracking with Core Web Vitals (LCP, TBT, CLS)
- Lighthouse-powered performance reports
- Real browser testing with Chrome
- Waterfall charts showing request-by-request analysis
- Real User Metrics from Chrome UX Report (CrUX)
- Global testing from 28 locations
- Automated monitoring with scheduled testing and alerts
- Video and filmstrip visualization of page loads
- Team collaboration with role-based access
- GTmetrix MCP integration for AI coding tools
| - Element attribution for LCP, INP, and CLS metrics
- Page leaderboards ranked by traffic volume
- Segmentation by device, browser, country, and custom URL groups
- API integrations with GitHub, Slack, Zapier, Netlify, and Render
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| What makes it different | - Tests from real Chrome browser in real locations, not simulated approximations
- Combines lab testing with real user data from Chrome UX Report in one report
- Global testing from 28 locations to see regional performance differences
- Integrates with AI coding tools via GTmetrix MCP for real-time performance data
- Tracks performance history over time with trend graphs and monitoring alerts
| - Combines real user data, Google CrUX, and synthetic testing in one platform
- Shows specific DOM elements causing performance issues, not just metric scores
- Ranks pages and issues by impact to focus on what affects most users
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 90 ● no change since last check | 72 ● no change since last check |
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| Trust Flow (Majestic) | 38 | 31 |
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| Citation Flow (Majestic) | 59 | 34 |
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| Referring domains (Majestic) | 26472 | 1435 |
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