"One of the basic rules of the universe is that nothing is perfect.
Perfection simply doesn't exist…
without imperfection, neither you nor I would exist."
Stephen Hawking
Synthetic testing
- Why have my synthetic tests failed or produced unexpected results?
- Advanced debugging: Viewing detailed test results
- Debugging your WebPageTest scripts
- Troubleshooting Lighthouse
- Why is my deploy stuck?
- A/B tests interfering with metrics and alerts
- Seeing OCSP requests in your waterfall charts
- Filter SpeedCurve test agents / whitelist IP address
- Filter SpeedCurve traffic from Google analytics
- Why are my SpeedCurve results different from my other test results?
- Why does my page load / fully loaded time fluctuate so much?
- Remove outlier test results from your charts
- Why don't my charts change when I select median, average, and 75th/95th percentile?