Webpagetest
WebPageTest is a free open-source tool for testing and analyzing website performance from real browsers and locations worldwide.
スコア
30
ユーザー評価
3.0
無料/トライアルサポート
サポート済み
開始価格
--
最終更新
10月 01, 2026
概要
Webpagetestとは？
WebPageTest is a widely used web performance testing platform that measures page load speed, Core Web Vitals, and rendering behavior using real browsers running on real or emulated connections from multiple global locations. It provides detailed waterfall charts, filmstrips, and optimization grades to help developers diagnose and improve site performance.
Webpagetestは何に使われますか？
主要機能
- Real browser testing from multiple global locations
- Detailed waterfall charts and filmstrips
- Core Web Vitals and performance metrics
- Connection throttling and device emulation
- Public API for automation
- Private instance and self-hosted options
- Comparison and historical test results
- Optimization grades and recommendations
Webpagetestの使い方は？
Enter your website URL on webpagetest.org, choose a test location, browser, and connection profile, then run the test. Review the waterfall chart, filmstrip, and performance metrics to identify bottlenecks. You can also use the public API or run private instances for automated testing.
代替ツール
代替ツールが見つかりません
メリット & デメリット
メリット
- Free and open-source
- Tests from real browsers and real locations
- Highly detailed performance diagnostics
- Strong API and automation support
- Trusted industry standard
デメリット
- Interface can be technical for beginners
- Public instance may have test queues
- Requires interpretation of complex metrics
使用例
- Measuring website load performance
- Debugging slow page rendering
- Monitoring Core Web Vitals
- Comparing performance across regions
- Automating performance regression tests in CI/CD
Webpagetestの料金
無料プラン
詳細な料金情報がありません
ユーザーレビュー
3.0
5点中
3.0
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