My browser plugins avoided all that crap for me, but I was still frustrated by the tiny map images. The high resolution maps are beautiful: https://booth.lse.ac.uk/learn-more/download-maps and there's an interactive version that overlays Google Maps so you can see what happened to those "Vicious, semi-criminal" areas: https://booth.lse.ac.uk/map/14/-0.0736/51.5023/100/0