Top #speed Tools & Software

CloudflareSpeedTest

github

🌩「自选优选 IP」测试 Cloudflare CDN 延迟和速度，获取最快 IP ！当然也支持其他 CDN / 多个解析 IP 的网站 ~

Betterfox

github

Firefox user.js for optimal privacy and security. Your favorite browser, but better.

sitespeed.io

github

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.

youtube

github

Open YouTube / Video browser-extension [top~1] Enrich your experience&choice!🧰250+tweaks & smart features📌set&forget📌 - Longest-standing. Join🧩us?👨‍👩‍👧‍👧 ⋮ {playback|discovery|extra player buttons|quality|codec|full tab|full screen|no distraction|shorts}