404 Not Found cannot support IE11, because the byte less than 512, so the browser will use its 404 page not this pages. In order to solve this question, add some hidden message in here.404 Not Found cannot support IE11, because the byte less than 512, so the browser will use its 404 page not this pages. In order to solve this question, add some hidden message in here.404 Not Found cannot support IE11, because the byte less than 512, so the browser will use its 404 page not this pages. In order to solve this question, add some hidden message in here.