> If the JavaScript fails to load and you were using it to significantly alter the content on your page, for example loading a news article asynchronously, the entire page fails to load.
Worse. Half the time the content is sent synchronously in the initial HTML, but keep hidden until a JS script has its way with it. Looking at you Markdown.js.
Worse. Half the time the content is sent synchronously in the initial HTML, but keep hidden until a JS script has its way with it. Looking at you Markdown.js.