Img SRC value is null, 2 requests
there should be a classmates encountered a similar situation before, when there is a similar like <Img src=http://www.jb51.net//web/’ ’ >More labels, on the page request at a time,
according to an article in the analysis, I guess if all labels will actively introduce external files such problems, such as embed, link, etc.
so is verified by experiment.
the following is a preliminary conclusion# 0 - #


This concludes the body part