Optimizing website performance can be challenging due to the numerous available tools. This article presents 23 performance analysis and optimization tools categorized for clarity. Some are well-known, others less so, but all are valuable assets for developers.
Key Takeaways:
- Client-side tools like Google's Test My Site, SiteSpeed.io, and Lighthouse measure and improve website speed.
- Code-level tools such as Dust Me Selectors, Penthouse, and Critical optimize website code for faster loading.
- Server-side tools including Apachetop, Ngxtop, and uptime-cli monitor web server performance and provide real-time metrics.
- SQL performance tools like Tuning-primer, MySQLTuner, and Mytop analyze and optimize MySQL server performance.
- Load testing tools such as Apache JMeter, Grinder, and Gatling assess website performance under load.
Client-Side Performance Tools:
- Google's Test My Site: This online tool (powered by WebPageTest.org) assesses mobile speed using a Moto G4 on a 3G network, providing loading time, estimated lost visitors, industry comparisons, and optimization suggestions.
- SiteSpeed.io: An open-source suite of tools (Coach, Browsertime, Chrome-HAR, PageXray) for measuring and improving website performance. Installable via npm or Docker.
- Google Lighthouse: An open-source auditing tool integrated into Chrome DevTools, available as a Chrome extension or CLI tool. Essential for measuring and improving modern client-side app performance (especially PWAs).
-
Lightcrawler: Crawls websites and runs Lighthouse audits on each page. Installable via npm and configurable via JSON.
-
YSlow: A browser bookmarklet analyzing web pages and identifying performance bottlenecks based on Yahoo's best practices.
- GTmetrix: An online tool providing performance insights and optimization recommendations.
- Page Performance: A Chrome extension for quick performance analysis.
- AMP Project: An open-source project for creating fast, high-performing websites using AMP HTML, AMP JS, and AMP Cache.
Code-Level Performance Tools:
- Dust Me Selectors: A browser extension identifying and removing unused CSS selectors.
- Penthouse: Generates critical path CSS for above-the-fold content. Available as a CLI tool and online service.
-
Critical: Extracts and inlines critical-path CSS. Installable via npm and integrates with build systems.
-
Optimize-js: Optimizes JavaScript code for faster initial load. Installable via npm.
-
Image Optimization Tools (ImageOptim, Pngcrush, Trimage): Tools for losslessly optimizing image sizes.
Server-Side Performance Tools:
-
Apachetop: A
top-like tool monitoring Apache web server performance. -
Ngxtop: A
top-like tool parsing Nginx (and Apache) access logs and displaying key metrics.
- uptime-cli: A CLI tool monitoring website uptime using the Uptime Robot API.
SQL Performance Tools:
-
Tuning-primer: A Bash script for MySQL performance tuning (version 5.5 ).
-
MySQLTuner: A Perl script analyzing MySQL server performance and providing configuration recommendations.
-
Mytop: A
top-like tool displaying MySQL server performance metrics.
Load Testing Tools:
-
Apache JMeter: An open-source Java-based tool for load testing and performance measurement.
-
Grinder: A Java-based load testing framework for distributed load testing.
-
Gatling: A load testing tool using Scala and a DSL for scripting.
- SQLBenchmarkPro: A cloud service for remote database performance monitoring.
This comprehensive list provides a strong foundation for tackling website performance challenges. Remember to consider the specific needs of your project when selecting tools.
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