Adblockers may use more than the URI, but it starts with the URI and if it does not match, then it does not block. If a video file is served from cdn.example.c

Adblockers may use more than the URI, but it starts with the URI and if it does not match, then it does not block. If a video file is served from cdn.example.com/video/?file=3w0rjwo, then have a DoubleClick ad serve from cdn.example.com/video/?file=0239fjad with phony HTTP headers including mime type.