Awesome-independent-tools
Section: 网站管理 · (免费) 网站健康扫描工具，一键检测 SEO、无障碍性（ADA/WCAG）、性能和最佳实践，AI 驱动的优化建议，支持自动监控告警
FreshScore 84
Entry
PageGuard
Appears in 5 awesome lists
Free website health scanner. Measures Core Web Vitals (LCP, FCP, CLS, TTFB), performance scores and provides AI-powered action plans. No signup required.
Found in these lists
Awesome Indie Hacker Tools
Section: SEO · 免费网站健康扫描工具，一键检测SEO、性能、无障碍性和最佳实践，提供AI分析报告和REST API，无需注册。
ActiveScore 71
awesome-pwa
Section: Testing and Auditing · Free website health scanner that audits performance, accessibility (WCAG 2.1), SEO, and best practices — ideal for verifying PWA quality before launch.
FreshScore 79
Awesome Site Reliability Engineering Tools
Section: Continuous Monitoring · Free all-in-one website health scanner. Core Web Vitals, SEO, WCAG 2.1 accessibility, and best practices. AI-generated action plan. No signup required.
ActiveScore 73
Awesome Web Performance Budget
Section: Website Analyzers · Free website health scanner. Measures Core Web Vitals (LCP, FCP, CLS, TTFB), performance scores and provides AI-powered action plans. No signup required.
FreshScore 74
Often listed next to it
SimilarWeb
SimilarWeb is a tool that estimates the total amount of traffic different websites get. It allows you to see competitors' top traffic sources, broken down into six major categories, including referring sites, social traffic, and top search keywords
In 7 listsDetails
Ahrefs
Analyze websites, track social media, build backlinks - Ahrefs has you covered. Try our marketing and SEO tools Site Explorer and Content Explorer today!
In 7 listsDetails
Semrush
SEMrush is a powerful and versatile competitive intelligence suite for online marketing, from SEO and PPC to social media and video advertising research.
In 6 listsDetails
Locust
easy-to-use, distributed load testing tool with real-time web UI. Simulates a swarm of concurrent users, the behavior of each of them is defined by your python code. Written in Python
In 6 listsDetails
webpagetest
Web Page Test gives you an overall performance waterfall as well as rendering timeline for sites. It also provides critical insight into time to first byte and what could be holding back web page performance.
In 6 listsDetails
Sentry
Error monitoring that helps all software teams discover, triage, and prioritize errors in real-time.
In 4 listsDetails
Redirect Checker
HTTP redirect chain analyzer, detect redirect loops, measure performance, multiple User-Agent presets, written in TypeScript (Cloudflare Workers)
In 3 lists
gtmetrix
Free tool to test and monitor your page's performance. Uses Lighthouse to score your pages and offers actionable recommendations on how to optimize them.
In 3 lists