流量平台的“Upstream Sites”
本帖最后由 dwind 于 2016-12-22 15:46 编辑今天用alexa搜了几个流量平台，发现一个现象，这些流量平台连接的是那么的紧密，小白不太明白，希望有明白人来指点迷津：
在“Upstream Sites”项TOP里，各流量平台都出现了其他流量平台的影子，why？
buzzcity.com：
Upstream SitesWhich sites did people visit immediately before this site?
SitePercent of Unique Visits
1.google.com11.9%
2.facebook.com3.7%
3.google.co.in2.4%
4.plugrush.com2.1%
5.airpush.com1.9%
popads.net：
Upstream SitesWhich sites did people visit immediately before this site?
SitePercent of Unique Visits
1.onclickads.net2.9%
2.openload.co2.5%
3.popcash.net1.3%
4.youtube.com1.1%
5.shink.in1.1%
plugrush.com：
Upstream SitesWhich sites did people visit immediately before this site?
SitePercent of Unique Visits
1.google.com9.2%
2.exoclick.com3.5%
3.popads.net2.7%
4.facebook.com2.7%
5.youtube.com2.3%
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