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Speedscale

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description Speedscale Overview

Speedscale is an open-source tool that analyzes website performance by measuring key metrics like First Contentful Paint, Largest Contentful Paint, and Time to Interactive, providing detailed reports on loading speed and potential optimization opportunities.

help Speedscale FAQ

How does Speedscale generate load tests without writing custom scripts?

Speedscale uses traffic capture technology to record real user API calls via your Kubernetes ingress controller. It then replays this captured traffic back into your staging environment to simulate realistic load without requiring you to write custom testing scripts.

Can Speedscale automatically mock third-party API dependencies?

Yes, Speedscale has a powerful mocking feature that intercepts outgoing requests to external services like Stripe or payment gateways. This isolates your system under test so you can measure your application's backend performance without relying on live third-party rate limits.

How does Speedscale integrate with a CI/CD pipeline?

Speedscale provides a CLI tool and GitHub Actions integrations that allow you to trigger automated traffic replays as part of your deployment process. You can set pass/fail thresholds for latency and error rates to block bad code from reaching production.

Does Speedscale monitor application performance in production?

While it primarily focuses on shift-left testing and staging environments, it does use a sidecar deployment model to capture live traffic metrics. This allows developers to observe API response times and traffic patterns before sanitizing the data for replay.

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