Remove Render-Blocking JavaScript | PageSpeed Insights | Google for Developers

Remove Render-Blocking JavaScript Stay organized with collections Save and categorize content based on your preferences. This rule triggers when PageSpeed Insights detects that your HTML references a blocking external JavaScript file in the above-the-fold portion of your page. Overview Before the browser can render a page it has to build the DOM tree by parsing the HTML markup. During this process

[PaulYamamoto]

Googleは小さなjavascriptは全てinlineで書くことを推奨している