Image file size is incorrect?

[stefano-bortolotti]

This image
http://premobile-eu.usablenet.com/img/c/gw_320/ttl_1h/format_jpg/1url_content.asos-media.com/~/media/290114120625/Images/uk/wc_27_january/3_WEDNESDAY_29/ASHLEY/asos.jpg

is ~7.8 kB

from the log phantomas reports 4.12 kB

Can you please investigate why I get wrong file size?
thanks

The below is the config file I used:

{
    "url": "http://premobile-eu.usablenet.com/mt/www.asos.com/Women/",
    "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25",
    "viewport": "320x420",
    "verbose": true,
    "log": "log/masos-premobile.log",
    "block-domain": "s.btstatic.com,s.thebrighttag.com,statse.webtrendslive.com",
    "asserts": {
        "requests": 46,
        "redirects": 0,
        "domains": 5,
        "maxRequestsPerDomain": 40,
        "assetsNotGzipped": 5,
        "biggestResponse": 60000, 
        "imageSize": 30000,
        "htmlSize": 67000,
        "htmlCount": 1,
        "cssSize": 0,
        "webfontCount": 2, 
        "webfontSize": 95000,
        "base64Count": 1,
        "iframesCount": 0,
        "nodesWithInlineCSS": 30,
        "DOMqueriesDuplicated": 20, 
        "imageCount": 33, 
        "jsCount": 9, 
        "jsErrors": 1,
        "windowAlerts": 0,
        "commentsSize": 0,
        "documentWriteCalls": 0
    }
}

[macbre]

A duplicate of #137

Unfortunately, this is an issue on PhantomJS side. Hopefully, v2.0 (that will use Chromium as a core instead of WebKit) will have that issue solved.