This year, I was lucky to attend JsConf and CssConf which took place in Berlin. It was the first time I have attended a conference away from Malta. Everything was faultless, the speakers, the venue, the food and the organisation.
For those interested to watch the talks online, this is possible from their YouTube channel https://www.youtube.com/user/jsconfeu/videos.
To start with, the below is one of my favourites, which can help you think about a smarter way in which as a developer we should load our CSS in order to achieve a better perception of our site being fast, without doing any technical improvements.