Issue: Pages gets requested twice in browsers.

  • Chrome - Requesting twice.
    • In Network Tab, Initiator says "Parser".
    • Message in console
      Resource interpreted as Image but transferred with MIME type text/html: "http://pageurl"
  • Firefox - No messages, but it is requesting twice.
  • Fidder - Not requesting twice.
  • When use Fidder to see Chrome and Firefox's requests, the second request head contains:
    Accept: image/webp,/;q=0.8

Cause: background-image: url

<div class="some-class" style="background-image: url('')"></div>

Don't have much to say here, not sure if it's a bug or not.