WebPagetest - Website Performance and Optimization Test
Test. Experiment. Improve! WebPageTest. The gold standard in web performance testing. Lightning-Fast Web Performance Online CourseLearn to analyze performance, fix issues, and deliver fast websites from the start. Free! Start Course Now >> Introducing Carbon Control Experimental New in WebPageTest! Measure your site's carbon footprint and run No-Code Experiments to find ways to improve.
Speedometer 3.0
Speedometer is a browser benchmark that measures the responsiveness of Web applications. It uses demo web applications to simulate user actions such as adding to-do items. Your browser window is too small. For most accurate results, please make the view port size at least 850px by 650px. It's currently .
文章をそのまま穴埋めテストにできるツール | テストメーカー | テストメーカー
文章を穴埋めテストにして URLで簡単に共有・回答文章中の大事な単語をマウスやタッチで選択！ 簡単穴埋めテスト作成ツールです。 自学自習にも学校の授業でも使えます。
個人情報テストデータジェネレーター
アプリケーションのテストなどで利用できる、リアルな架空の個人情報データ（疑似データ）を生成するツールです。
Internet Speed Test | Fast.com
* 現在お使いのネットワークは安定していません。この数字は推定値であり、実際のネットワークパフォーマンスは異なる場合があります。
Testing Your Site with Mac OS, iOS, and Android
Here at Sauce Labs, we're always looking forward to the next big thing in testing. That's why we're proud to announce support for Mac OS X, iOS, and Android! If you're a developer and designing websites for mobile devices, it is increasingly important to test those sites on a mobile device. Now, you can run tests on iOS and Android in Sauce's automated and manual testing tools. To get started runn
Speedtest.net by Ookla - The Global Broadband Speed Test
Ookla supports Group Black and its mission to increase greater diversity in media ownership. Group Black's collective includes BlackWomenTalkTech, Empower Onyx, and Cxmmunity. © 2006-2024 Ookla, LLC., a Ziff Davis company. All Rights Reserved. Ookla®, Speedtest®, and Speedtest Intelligence® are among the federally registered trademarks of Ookla, LLC and may only be used with explicit written permi
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MobileTest.me - Test your mobile sites and responsive web designs
Browserling – Online cross-browser testing