Devensio — Engineering BlogPractical engineering notes on CI/CD, cloud platforms, retrieval-augmented AI, and frontend performance.https://devensio.com/en-usTreat Core Web Vitals as an engineering constraint, not a QA checklisthttps://devensio.com/blog/core-web-vitals-engineering-constraint/https://devensio.com/blog/core-web-vitals-engineering-constraint/Performance budgets only change behaviour when they are enforced in CI and owned by the team writing the code. Here is a practical way to make that happen.Thu, 21 May 2026 00:00:00 GMTPerformanceCore Web VitalsFrontendEngineering CultureWhy your CI pipeline is slow, and how to fix it in a weekhttps://devensio.com/blog/why-your-ci-pipeline-is-slow/https://devensio.com/blog/why-your-ci-pipeline-is-slow/Most CI pipelines are slow for five predictable reasons. Here is how to find the bottleneck, fix the highest-cost cause first, and measure whether it worked.Thu, 02 Apr 2026 00:00:00 GMTDevOpsCI/CDDeveloper ExperienceRAG in production: retrieval quality is the whole gamehttps://devensio.com/blog/rag-retrieval-quality/https://devensio.com/blog/rag-retrieval-quality/Most teams debug their RAG system at the wrong layer. Before you touch the prompt or change models, measure retrieval — because generation cannot recover from missing context.Wed, 18 Feb 2026 00:00:00 GMTAIRAGLLMEvaluation