Stackoverflow Bug?

oh thanks didnt know that, now its uploading fine, but when i browse the ip the browser says: "Fehler: Verbindung unterbrochen" / "Error: Connection lost" ? the sd-card is in the ethernet shield and it contains the index.html, whats wrong?

this is the html file i want to read in: <html><head> <meta name = "viewport" content = "width = 320,user(-scalable - Pastebin.com