透過 USB 連接到電腦使用鍵盤滑鼠，很多人會在意其回報速度，簡單說就是否會有延遲的時間。網路上有許多關於鍵盤延遲測試工具，更有些是可以直接從網頁上就能進行檢測。除了延遲外，還有包含 USB Report Rate 回報速度測試，這些老貓都先整理成一篇，日否有空再分享到老貓測3C。

滑鼠、鍵盤延遲、按鍵測試：網頁測試

• Keyboard Tester | Test Your Keys Online 键盘延迟测试 |响应时间和轮询率
  • https://keyboardtester.info/
• “Key-Test” – keyboard test online
  • https://en.key-test.ru/
• 鍵盤測試 Keyboard Test
  • https://zhouer.org/KeyboardTest/
• Keyboard scan rate tool
  • https://blog.seethis.link/scan-rate-estimator/
• Key Test – Keyboard Test and Performance Test Online
  • https://key-test.com/
• Keyboard Test – Windows Keyboard Tester
  • https://www.keyboardtest.org/
• Keyboard Tester – Check Your Keyboard Keys Online
  • https://keyboard-tester.com/
• Keyboard Test-Free Online Keyboard Tester
  • https://www.iobit.com/en/keyboard-test.php
• Keyboard Latency Test (Scan Rate, Input Lag, Response) [New]
  • https://www.clickspeedtester.com/keyboard-latency-test/

滑鼠、鍵盤延遲、按鍵測試：軟體

• PassMark KeyboardTest – Keyboard test software
  • https://www.passmark.com/products/keytest/index.php
• Keyboard Inspector
  • https://github.com/mat1jaczyyy/Keyboard-Inspector
  • https://www.youtube.com/watch?v=236heVk6o68

滑鼠、鍵盤延遲、按鍵測試：硬體

• 键盘/鼠标延迟测试
  • https://keyboard-latency-test.rikka.dev/
  • https://www.zfrontier.com/app/flow/zM7JbEGyk9VG
  • https://www.zfrontier.com/app/flow/ZM6bNEjRr7W7

參考資料：滑鼠、鍵盤延遲、按鍵測試

• 说说机械键盘延迟那些事，到底多低的延迟不影响我们使用？
  • https://www.toutiao.com/article/7196308218195640843/
• 从前的电子垃圾，现在的真香好物，10款200元以内机械键盘推荐
  • https://www.toutiao.com/article/7308374002769510912/
• 科普与推荐：低延迟有多重要？键鼠延迟分析与618低延迟外设推荐
  • https://www.toutiao.com/article/7244520335474147895/
• 可能是2023年最全机械键盘科普，无恰饭618机械键盘选购指南(上)
  • https://www.toutiao.com/article/7237914869536801295/
• Keyboard latency
  • https://danluu.com/keyboard-latency/
• 最低不到1毫秒！7款最新主流键盘无线延迟测试
  • https://www.bilibili.com/video/BV1y34y1N7TY/