Suddently Stopped Working

I think a plugin damaged the function… but i dont know why. i tryed to reinstall and everything – does not work.

As you can see here: https://developers.google.com/speed/pagespeed/insights/?url=http%3A%2F%2Fwien.wudangkungfu.info%2F&tab=mobile

My Images arent adaptive …

I get no error messages nothing

https://ww.wp.xz.cn/plugins/adaptive-images/