A CDN takes your website's assets and stores a version of them in a huge network of servers, dotted around the world, so that wherever you are, you can download that part of the website super quickly from a server near you, speeding up the overall time taken to load a page.
No-code website builders can do a lot for you, but they can't do the UX. So before you run away with crafting a perfectly branded website, spend some time on the usability and identifying who your users are, what they need to do and how you can make sure your website delivers on that for them.
Coworking spaces are about much more than just bricks and mortar. The other members become your friends and a community which you can tap into for advice, support and collaboration.