1)启动Fiddler->Tools->Fiddler Options

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2)HTTPS选项卡中,勾选如下,弹窗选同意;

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3)Connections选项卡中,勾选Allow remote computers to connect,8888是监控端口,勾选时如有弹窗确定即可;

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4)Rules → Performances → Simulate Modem Speeds :模拟调制解调器的速度

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5)Rules → Customize Rules…

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6)搜索关键字:m_SimulateModem

数值修改越大网络请求越慢
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  1. if (m_SimulateModem) {
  2. //Delay sends by 300ms per KB uploaded. //每延迟300ms发送1kb的数据,也就是每1s发送3kb的数据
  3. oSession["request-trickle-delay"] = 300
  4. //Delay receives by 150ms per KB downloaded.//每延迟150ms下行1kb的数据
  5. oSession["response-trickle-delay"] = 150
  6. }


请注意,存档之后,原本已经勾选的SimulateModem Speeds 会被取消勾选
需要重新Rules → Performances → Simulate Modem Speeds 勾选

7)设置完成后,通过statistics查看请求时间

弱网测试 - 图9image.png