I've been working lately on image optimisation in Stitcher. As a try-out, I've added this library to the responsive images module.
Enabling the optimizer is done by updating Stitcher (1.0.0-alpha2), and adding the following parameter in
engines: optimizer: true
This is where the ad would go. I get it, they are stupid. But to be honest, they actually make a difference. So maybe you'd consider whitelisting this blog?