# Resources [Site index](https://speedscale.com/llms.txt) ## Pages - [Resources](https://speedscale.com/resources/index.md): Download whitepapers, case studies, datasheets, and access helpful tools to accelerate your API testing and development workflow. - [De-risk new digital initiatives](https://speedscale.com/resources/legacy-software-migration/index.md): De-risk new digital initiatives. Verify performance parity against old and new architecture and applications with traffic replay. - [Estimate Your Testing ROI](https://speedscale.com/resources/roi-calculator/index.md): Estimate the annual return on catching regressions before release, with your own team costs, incident costs, and test environment spend. - [Prepare your SaaS for scale](https://speedscale.com/resources/saas/index.md): Prepare your SaaS for scale. Validate performance with real-world traffic to protect uptime and accelerate releases. - [Testing Apps for Kubernetes Environments](https://speedscale.com/resources/whitepapers/testing-apps-for-kubernetes-environments/index.md): Download our comprehensive whitepaper on best practices for testing applications in Kubernetes environments, including traffic replay and service virtualization strategies. - [Traffic Replay from the Future](https://speedscale.com/resources/whitepapers/traffic-replay-from-the-future/index.md): Discover how next-generation traffic replay technology is transforming API testing and enabling teams to test with production-like data safely and efficiently.