What AI Has Never Seen: The Context Gap in Code Generation
AI coding tools generate code from docs and examples—but they've never seen your production traffic. Here's what breaks AI-generated code.
Posts by Ken Ahrens
Co-founder and CEO of Speedscale, passionate about performance engineering. • 9 posts published
ROI of Digital Twin Testing: Cut Testing Costs by 50%
Non-production environments cost 20-40% of cloud bills. Digital twin testing delivers 9x ROI through infrastructure, incident, and efficiency savings.
Kubernetes Load Testing Made Easy with Speedscale
See how to get visibility into your Kubernetes workloads and run realistic load tests without writing YAML files or kubectl commands.
How to Test Your React Frontend When the Backend Is Offline
Learn how to test your React frontend without running backend services. Record real API traffic and mock responses for faster development, reliable.
Test Code Changes with Claude Code Using Real Traffic
Claude Code can write features and fix bugs, proxymock traffic snapshots give me the integration tests, replays.
Better integration tests in Cursor using proxymock
Cursor can scaffold new API calls, proxymock traffic snapshots give me the integration tests, replays.
Part 1: Building a Production-Grade Traffic Capture and Replay System
Learn how to build a production-grade traffic capture system using proxies, eBPF, and tcpdump.
Automating API Mocks in Your CI Pipeline with proxymock
When running tests in a CI/CD pipeline, relying on external APIs can introduce instability, slow down execution, even lead to failed builds due to rate...
How to Test LLM Backend Performance with Service Mocking
Test LLM backend latency, throughput, and rate limits without burning API credits. Mock OpenAI and Claude APIs for realistic load testing.
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