Performance

Performance

An index and topic collection covering API and web performance, including load testing, performance benchmarking, real user monitoring (RUM), Core Web Vitals measurement, latency profiling, distributed tracing, and application performance monitoring (APM). Performance engineering ensures that APIs and web applications meet latency, throughput, and reliability expectations under realistic and adversarial load. This collection brings together open-source load generators like k6, Apache JMeter, Locust, Gatling, and Artillery; managed load and chaos platforms like StormForge and Speedscale; synthetic and real-user measurement tools like Google PageSpeed, Pingdom, and Akamai; and APM and tracing platforms like Datadog, New Relic, Dynatrace, AppDynamics, Sentry, Honeycomb, Instana, Lightstep, SigNoz, Uptrace, OpenTelemetry, Jaeger, Grafana Tempo, Google Cloud Profiler, Google Cloud Trace, and AWS X-Ray.

handymanServices & Tools

handyman Akamai code Repo link APIs.io
handyman Apache JMeter code Repo link APIs.io
handyman AppDynamics code Repo link APIs.io
handyman Artillery code Repo link APIs.io
handyman AWS X-Ray code Repo link APIs.io
handyman Datadog code Repo link APIs.io
handyman Dynatrace code Repo link APIs.io
handyman Gatling code Repo link APIs.io
handyman Google Cloud Profiler code Repo link APIs.io
handyman Google Cloud Trace code Repo link APIs.io
handyman Google PageSpeed code Repo link APIs.io
handyman GoReplay code Repo link APIs.io
handyman Grafana code Repo link APIs.io
handyman Grafana Tempo code Repo link APIs.io
handyman Honeycomb code Repo link APIs.io
handyman Instana code Repo link APIs.io
handyman Jaeger code Repo link APIs.io
handyman k6 code Repo link APIs.io
handyman Lightstep code Repo link APIs.io
handyman Locust code Repo link APIs.io
handyman New Relic code Repo link APIs.io
handyman OpenTelemetry code Repo link APIs.io
handyman Pingdom code Repo link APIs.io
handyman Sentry code Repo link APIs.io
handyman SigNoz code Repo link APIs.io
handyman Speedscale code Repo link APIs.io
handyman StormForge code Repo link APIs.io
handyman Uptrace code Repo link APIs.io

extensionCommon Features

extensionLoad and Stress Testing

Open-source and managed load generators like k6, Apache JMeter, Locust, Gatling, and Artillery simulate concurrent users and traffic patterns against APIs to characterize throughput, error rate, and latency under load.

extensionPerformance Benchmarking

Repeatable, scripted benchmark runs establish performance baselines and detect regressions in CI/CD pipelines using tools like k6 Cloud, BlazeMeter, and StormForge.

extensionReal User Monitoring (RUM)

RUM products like Akamai mPulse, Datadog RUM, New Relic Browser, Sentry Performance, and Pingdom capture latency, errors, and Core Web Vitals from real browser sessions in production.

extensionSynthetic Monitoring and Web Vitals

Synthetic checks and lab-based audits from Google PageSpeed (Lighthouse), WebPageTest, and Pingdom measure Core Web Vitals (LCP, INP, CLS) and uptime from controlled environments.

extensionDistributed Tracing

OpenTelemetry, Jaeger, Grafana Tempo, Honeycomb, Lightstep, Google Cloud Trace, and AWS X-Ray collect distributed traces across microservice calls to attribute latency to specific spans.

extensionApplication Performance Monitoring (APM)

APM platforms like Datadog APM, New Relic, Dynatrace, AppDynamics, Instana, SigNoz, and Uptrace correlate traces, metrics, and logs to surface slow transactions and code-level bottlenecks.

extensionProfiling and Code Hotspots

Continuous profilers like Google Cloud Profiler and Datadog Continuous Profiler identify CPU, memory, and lock contention hotspots in running services.

extensionTraffic Replay and Chaos

Tools like GoReplay and Speedscale capture production traffic and replay it against staging or new versions to validate performance and behavior before release.

task_altUse Cases

task_altPre-Release Load Testing in CI/CD

Engineering teams run k6 or JMeter scenarios on every pull request to verify that p95 latency and error rates stay within service-level objectives before merging.

task_altCore Web Vitals Optimization

Web teams use Google PageSpeed, WebPageTest, and RUM data to optimize LCP, INP, and CLS to meet Google ranking and user-experience thresholds.

task_altCapacity Planning and Scalability Validation

Platform teams use StormForge and BlazeMeter to drive sustained load tests against staging environments to determine maximum sustainable throughput and right-size infrastructure.

task_altLatency Regression Detection

APM platforms like Datadog, New Relic, and Dynatrace alert on p95 and p99 latency regressions per endpoint or trace span after each deploy.

task_altProduction Traffic Replay

Teams use GoReplay or Speedscale to record real production traffic and replay it against release candidates to find performance and correctness regressions before rollout.

task_altDistributed Trace Root-Cause Analysis

SREs use Honeycomb, Lightstep, Jaeger, or Grafana Tempo to drill into slow distributed traces and pinpoint the service, query, or downstream call responsible for tail latency.

task_altContinuous Profiling of Hot Paths

Backend teams use Google Cloud Profiler or Datadog Continuous Profiler to identify CPU and memory hotspots in running services without rebuilding or redeploying.

integration_instructionsIntegrations

integration_instructionsk6

Open-source Grafana Labs load testing tool that uses JavaScript test scripts to drive load against HTTP, gRPC, and WebSocket APIs, with optional k6 Cloud for distributed runs.

integration_instructionsApache JMeter

Open-source Apache Software Foundation load testing tool for HTTP, REST, databases, JMS, and more, widely used for protocol-level performance testing.

integration_instructionsGatling

High-throughput, Scala-based open-source load testing tool with code-as-test scenarios and detailed HTML reports.

integration_instructionsArtillery

Modern Node.js load testing toolkit with YAML and JavaScript scenarios, designed for serverless and Kubernetes-native workloads.

integration_instructionsStormForge

Performance and load testing platform that uses machine learning to optimize Kubernetes resource configurations and validate scalability.

integration_instructionsDatadog

Observability and APM platform offering distributed tracing, real user monitoring, synthetic monitoring, and continuous profiling.

integration_instructionsNew Relic

Full-stack observability platform with APM, browser-based RUM, synthetic monitoring, distributed tracing, and infrastructure metrics.

integration_instructionsOpenTelemetry

Vendor-neutral CNCF standard for collecting traces, metrics, and logs, used to instrument applications for any compatible APM or tracing backend.

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