Lingua.ly indexes texts on the web in Spanish, English, French, Hebrew and Arabic. After you’ve taken a few vocabulary quizzes and used the service for a little while, Lingua.ly will be able to recommend real texts for you based on the vocabulary you already know and the difficulty of the text.
Lingua.ly is a Chrome plug-in, so it’ll automatically prompt you to take new quizzes, personalized for you, as you browse the web. You can also use the plug-in to get recommendations for texts that are appropriate for your reading levels and mark up texts or browse Lingua.ly’s dictionary as you visit any site on the web.
This looks like a very useful tool for folks to use in their language-learning studies. By using this as a web browser plug-in, it it integrates with your regular web browsing habits so that you you learn new words as you go about your regular business.