Ever since I got an honour of being able to interact with @neauoire, I became mindful of traffic I consume. I'm a little bit embarassed to have sent them a link to my company's website to realise that we're shipping a damn **CSS** which applies all-so-prescious YouTube branding to YouTube players, which is 340kB large. The biggest asset on the page.
(Alt text: image showing a table of a blog posts's assets, sorted by size, dominated by YouTube assets)