As I add more data to the NYC Chaos Dashboard, a website that maps live urban activity, I have been looking for a more efficient way to render the map. Since I collect all of the data in one process and return the Dashboard as one HTML file, I kept wondering how I could optimize the map’s loading time by pre-processing the data as much as possible in the backend. This is where vector tiles come in. The code shown in this post is written in Go. Why generate tiles? Initially, all of the map’s data...