偶然发现视觉中国的页面，除了首页，其他页面里都有这样的一个js文件！
www.chinavisual.com/copyright/copyright.js 打开一看，原来是：
------------------------------------------------------------------------------------
代码:
document.write("<iframe src=\ "http://data.alexa.com/data?cli=10&dat=snba&ver=7.0&cdt=lx_vw%3D20%26wid%3D19914%26act%3D00000000000%26ss%3D1024x768%26bw%3D1016%26t%3D0%26ttl%3D0%26bVis%3D1%26rq%3D0&stc&url=http://www.chinavisual.com/copyright\ " width=0 height=0 />";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/home_copyright01.htm></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/1.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/2.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/3.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/4.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/5.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/6.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/7.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/8.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/9.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/10.html></iframe></center>";
//document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src='http://data.alexa.com/data/data/TCaX/0+qO000fV?cli=10&dat=snba&ver=7.0&cdt=alx_vw%3D20%26wid%3D31472%26act%3D00000000000%26ss%3D1024x768%26bw%3D639%26t%3D0%26ttl%3D4907%26vis%3D1%26rq%3D23&url=http://www.chinavisual.com/'></iframe></center>";
真是用心良苦啊！
视客们访问的代码里：有贡献Alexa的作弊代码：
document.write("<iframe src=\ "http://data.alexa.com/data?cli=10&dat=snba&ver=7.0&cdt=lx_vw%3D20%26wid%3D19914%26act%3D00000000000%26ss%3D1024x768%26bw%3D1016%26t%3D0%26ttl%3D0%26bVis%3D1%26rq%3D0&stc&url=http://www.chinavisual.com/copyright\ " width=0 height=0 />";
有贡献访问次数的代码（也就是说访问一个页面，相当于访问十次页面）：
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/home_copyright01.htm></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/1.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/2.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/3.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/4.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/5.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/6.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/7.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/8.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/9.html></iframe></center>";
document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src=http://content.chinavisual.com/copyright/10.html></iframe></center>";
//document.write("<center><iframe width=0 height=0 noresize scrolling=No frameborder=0 marginheight=0 marginwidth=0 src='http://data.alexa.com/data/data/TCaX/0+qO000fV?cli=10&dat=snba&ver=7.0&cdt=alx_vw%3D20%26wid%3D31472%26act%3D00000000000%26ss%3D1024x768%26bw%3D639%26t%3D0%26ttl%3D4907%26vis%3D1%26rq%3D23&url=http://www.chinavisual.com/'></iframe></center>";
我真为作为一个视客感到脸红，可耻啊！可悲啊！这样一个大站还要用这样卑劣的手段来赚取访问量！
最近要增加的服务器的费用，应该是这样来的吧！
作为一个视客，只能感到羞愧！
一个视客的诚言！
