tsq · October 2, 2015 00:57
diff --git a/img.html b/img.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
  <meta charset="UTF-8">
  <title></title>
 </head>
 <body>
 <!--Time found that if you used display:none on the parent of the element you want to hide, the bg image will not be downloaded-->
 <div style="display: none">
  <div style="background-image: url(https://avatars0.githubusercontent.com/u/6081537?v=3&s=40)"></div>
 </div>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title></title>
	</head>
	<body>
	<!--Time found that if you used display:none on the parent of the element you want to hide, the bg image will not be downloaded-->
	<div style="display: none">
	<div style="background-image: url(https://avatars0.githubusercontent.com/u/6081537?v=3&s=40)"></div>
	</div>
	</body>
	</html>