Response time threshold monitoring measures how long your site takes to respond and fires alerts when it exceeds your defined thresholds. Slow responses hurt conversions and Core Web Vitals scores.
⚙️How it works
Uptrue measures the full round-trip time from request to first byte received. If the response time exceeds your warn threshold, status goes degraded. If it exceeds the critical threshold, an incident opens.
✓What Uptrue checks
- Time to first byte (TTFB)
- Total response time
- Response status code
⚠Alert conditions
- Response time exceeds warn threshold (degraded)
- Response time exceeds critical threshold (down)
- Request timeout
Why this matters
Google uses Core Web Vitals as a ranking signal. A slow server degrades user experience and conversion rates. Monitoring response time separately from uptime lets you catch degradation before it becomes downtime.
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?Frequently asked questions
What thresholds should I set?
A common setup is warn at 1500ms and critical at 3000ms. Adjust based on your users' expectations and current baseline.
Does this include page render time?
No. This measures server response time (TTFB), not full page load including client-side rendering.
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