... ms
Press CTRL+SHIFT+R to reload with an empty cache = first impression.
View source to see how scripts are provided.
Time is calculated when window.onload
fires.
Try with different browsers. The time difference varies a lot.
head.js() loads all the scripts asynchronously, but note that if an inline script is present midway through the document, it will block rendering until all scripts have finished loading in Firefox. It may also lead to race conditions if more scripts are called outside the first chain.