performance-metrics

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

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UpdatedNov 6, 2025
JavaScript

LinShunKang /MyPerf4J

Star3.6k

High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.

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UpdatedNov 16, 2025
Java

intel /pcm

Star3.1k

Intel® Performance Counter Monitor (Intel® PCM)

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UpdatedNov 14, 2025
C++

scouter-project /scouter

Star2.2k

Scouter is an open source APM (Application Performance Management) tool.

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UpdatedNov 27, 2025
Java

prometheus-net /prometheus-net

Star2.1k

.NET library to instrument your code with Prometheus metrics

monitoring aspnetcore metrics grpc prometheus performance-metrics net-standard healthchecks httpclientfactory performance-monitor grpc-request-metrics

UpdatedApr 11, 2024
C#

speedracer /speedracer

Star1.9k

Collect performance metrics for your library/application.

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UpdatedJul 24, 2022
JavaScript

shekyan /slowhttptest

Star1.6k

Application Layer DoS attack simulator

performance-metrics security-scanner slowhttptest

UpdatedJun 26, 2025
C++

nucliweb /webperf-snippets

Star1.4k

⚡️ 💾 Web Performance Snippets

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UpdatedNov 25, 2025
MDX

elastic /apm-server

Star1.3k

elasticsearch devops error-monitoring apm performance-metrics performance-monitoring distributed-tracing tracing-server opentelemetry

UpdatedNov 28, 2025
Go

micmro /performance-bookmarklet

Star1.2k

Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.

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UpdatedMar 3, 2023
JavaScript

easystats /easystats

Sponsor

Star1.1k

🌌 The R easystats-project

r statistics models performance-metrics datascience rstats regression-models hacktoberfest dataanalytics easystats

UpdatedNov 26, 2025
R

RuntimeTools /appmetrics

Star981

Node Application Metrics provides a foundational infrastructure for collecting resource and performance monitoring data for Node.js-based applications.

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UpdatedJul 21, 2024
JavaScript

axemclion /browser-perf

Star940

Performance Metrics for Web Browsers

javascript performance web-performance metrics performance-metrics wiki-page perfmatters browser-perf

UpdatedFeb 12, 2018
JavaScript

LucaCanali /sparkMeasure

Star799

This is the development repository for sparkMeasure, a tool and library designed for efficient analysis and troubleshooting of Apache Spark jobs. It focuses on easing the collection and examination of Spark metrics, making it a practical choice for both developers and data engineers.

python scala spark apache-spark performance-metrics performance-troubleshooting

UpdatedNov 6, 2025
Scala

parksb /Front-End-Performance-Checklist

Star676

🎮 더 빠르게 작동하는 프론트엔드 성능 체크리스트

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UpdatedApr 13, 2021

stackimpact /stackimpact-python

Star653

DEPRECATED StackImpact Python Profiler - Production-Grade Performance Profiler: CPU, memory allocations, blocking calls, exceptions, metrics, and more

python monitoring profiler python3 performance-metrics performance-tuning memory-profiler memory-leak-detection hot-spot-profiles cpu-profiler