有没有办法确定跨域图像请求的源页面？

I'm working on a set of sites that use a lot of cross-domain immge requests (our own site), and am getting a lot of 404 errors in our logs, but can't identify any actual pages where the images aren't showing. Does anyone know of any method that can be used to find out what page requests contains the bad image references?I'm working on a set of sites that use a lot of