my speeds got WORSE after 31,000 images smushed!?

my speeds got WORSE after 31,000 images smushed!? how is that possible. see screen shots!
https://www.dropbox.com/s/6ipxk8soe609a3e/smushed.png?dl=0
https://www.dropbox.com/s/44v10rbyo30krlq/830pm.png?dl=0
https://www.dropbox.com/s/5sfzfet7vdhgrar/518pm.png?dl=0