performance-testing

You can enforce performance budgets in CI by configuring Lighthouse CI audits and k6 load tests to act as gating mechanisms that automatically fail pull requests when response times or Core Web Vitals exceed defined thresholds.

Measuring Core Web Vitals for critical user journeys involves using Lighthouse CI to monitor LCP, INP, and CLS metrics, ensuring that frontend performance targets are continuously validated against your established per-scenario budgets.

Yes, k6 supports modeling various load testing scenarios for APIs, allowing you to simulate baseline, soak, and spike loads to accurately measure load capacity and identify throughput bottlenecks under different traffic conditions.

To gate PRs for stable releases, define clear per-scenario budgets and load capacity thresholds within your CI configuration, which triggers test failures and blocks merges if critical user journeys fall below performance targets.

Yes, you can integrate Lighthouse CI alongside k6 load testing within a single CI workflow to simultaneously validate frontend user experience metrics and backend API throughput under simulated real user traffic conditions.

You need performance budgets and load testing when you want to detect performance regressions early in development, ensuring that load times, throughput, and user experience remain stable across critical user journeys during continuous integration.