スピードテストプロ

シンプルなクリックでインターネット速度をチェックしましょう。ダウンロード速度、アップロード速度、レイテンシーをテストします。

Test your internet speed quickly and easily right from your browser. How it works: - Click the extension icon in your toolbar - Press "Start test" to begin - Watch as your results appear in real-time - See your download speed, upload speed, and ping - Check your previous test results anytime Features: - Get accurate speed test results in seconds - See your current internet speed: download, upload, and ping (latency) - Track how your internet speed changes over time - View your network's IP address - Keep a history of your last 10 speed tests - See live progress as the test runs - Works with both light and dark browser themes - Fast and lightweight - won't slow down your browsing - All testing happens on your device - your data stays private - Easy-to-read results with no technical knowledge needed - Simple interface that anyone can use No account needed, no complicated settings. Just install and start testing your internet speed in one click.