1. onload - Noun
2. onload - Verb
onload (third-person singular simple present onloads, present participle onloading, simple past and past participle onloaded)
(transitive) To load onto or upon.
onload (plural onloads)
That which is onloaded.
Additionally, the onload event is hardly ever representative of the load time of the page, much less the viewport (the initially visible part of the page). Source: Internet
One popular way of recording page views in an asynchronous fashion is to include a JavaScript snippet at the bottom of the target page (or as an onload event handler), that notifies a logging server when a user loads the page. Source: Internet
Steve – I think everyone agrees that “onload” metric is not sufficient. Source: Internet
The confusion comes because the sites you’re looking at have dynamic behavior that happens the onload event. Source: Internet
Why would you want to load a script asynchronously while having it blocking onload event? Source: Internet