The Opstral Engineering Blog
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- GlossaryWhat Is Frontend Monitoring?Frontend monitoring is the practice of measuring the performance, availability and errors of the client side of an application, the web page or mob...Read the definition →
- GlossaryWhat Are Core Web Vitals?Core Web Vitals are a set of user-centric performance metrics defined by Google that measure the real-world loading, interactivity and visual stabi...Read the definition →
- How-ToHow to Monitor Frontend and Browser Apps with OpenTelemetryMonitoring frontend apps with OpenTelemetry means instrumenting the browser with the OpenTelemetry JavaScript SDK to emit traces and metrics, page ...Read the how-to →
- ListicleBest Real User Monitoring (RUM) Tools in 2026RUM tools capture the experience your real users have, in their browsers, on their devices. This is an honest shortlist for 2026, ordered by depth ...Read the shortlist →
- GlossaryWhat Is Amazon CloudWatch?Amazon CloudWatch is AWS's native monitoring and observability service. It collects metrics, logs and events from AWS services and your own applica...Read the definition →
- ComparisonThe CloudWatch Alternative for Unified, Autonomous ObservabilityAmazon CloudWatch is the native way to monitor AWS, but it stops at AWS, and at alarms. If you run hybrid or multi-cloud, or want correlated observ...Read the comparison →
- ListicleBest AWS Monitoring Tools in 2026Monitoring AWS well means seeing the managed services, the workloads on top and the cost, without a console per environment. This is an honest shor...Read the shortlist →
- ListicleBest Azure Monitoring Tools in 2026Monitoring Azure well means seeing the managed services, the workloads on top and the cost, without a console per environment. This is an honest sh...Read the shortlist →
- ListicleBest GCP Monitoring Tools in 2026Monitoring GCP well means seeing the managed services, the workloads on top and the cost, without a console per environment. This is an honest shor...Read the shortlist →
- How-ToHow to Observe LangChain Apps with OpenTelemetryObserving LangChain apps with OpenTelemetry means instrumenting the framework so every chain, LLM call, tool and retriever becomes a span carrying ...Read the how-to →
- How-ToHow to Observe CrewAI Multi-Agent Workflows with OpenTelemetryObserving CrewAI with OpenTelemetry means mapping its Crew, Agent and Task objects to spans over OTLP, so each agent's reasoning, tool calls and to...Read the how-to →
- How-ToHow to Observe LlamaIndex and RAG Pipelines with OpenTelemetryObserving a RAG pipeline with OpenTelemetry means tracing both halves of retrieval-augmented generation, the retrieval step (embedding and vector s...Read the how-to →