An unbalanced tree was written using document.write() causing data from the network to be reparsed. For more information https://developer.mozilla.org/en/Optimizing_Your_Pages_for_Speculative_Parsing
利用 document.write() 写入不平衡树引发来自网络的数据被重新解析。更多信息参见 https://developer.mozilla.org/en/Optimizing_Your_Pages_for_Speculative_Parsing