2017年618，打算趁活动有优惠在当当买点书。但是打开网页却不能领券，大部分图片也不能显示，也不能打开登录界面。
活动页面是这样的（大部分图片不能显示）：
打开控制台看，是这样的（很多错误信息）：
点击『登录』后进入登录页面，是这样的（https证书被撤销（吊销），页面未能显示）:
点击上图的『ERR_CERT_REVOKED』，有下面的详细信息。
写道
您的连接不是私密连接
攻击者可能会试图从login.dangdang.com窃取您的信息（例如：密码、通讯内容或信用卡信息）。 NET::ERR_CERT_REVOKED
Subject: *.dangdang.com
Issuer: WoSign Class 3 OV Server CA G2
Expires on: 2018年6月24日
Current date: 2017年6月18日
PEM encoded chain:
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攻击者可能会试图从login.dangdang.com窃取您的信息（例如：密码、通讯内容或信用卡信息）。 NET::ERR_CERT_REVOKED
Subject: *.dangdang.com
Issuer: WoSign Class 3 OV Server CA G2
Expires on: 2018年6月24日
Current date: 2017年6月18日
PEM encoded chain:
-----BEGIN CERTIFICATE-----
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查看证书信息如下：
从上面的信息可以看出证书是正确的，且显示有效。但是根据上面划红线的文字理解，是证书被撤销了（没续费？违规被处罚？主动要求撤销？），建立https连接时Chrome发现服务端发过来的证书在『证书撤销列表』里，继而提示错误。『证书撤销列表』是浏览器维护的一个不可用证书列表，不时更新。
但是同样的url，在火狐和safari里却可以正常显示。
由于上面的地址涉及内容较多，且有混合内容，下面以另一个地址（https://databack.dangdang.com/proxy.html）来对比三个浏览器的表现。
Chrome，提示错误，错误内容同上：
Safari，无错误，正常显示:
火狐，无错误，正常显示：
这三者为什么有差别呢？我猜测是后两者对『证书撤销列表』更新不及时导致的。他们不知道某些证书已经标记为失效了。举个不恰当的例子：
某公司所在行业的商务活动中需要出示营业执照以表明自己的身份。大家也都是老手了，看一眼就知道是对方提供的是真的工商局颁发的还是伪造的。如果是真的，再去工商局公布的『已吊销营业执照的公司列表』里看看有没有这个公司。如果没有，这就是个正常营业的、且是他所宣称的那个公司，继续谈合作。
某天，某公司非法经营，被工商局吊销执照，然后将这个公司加入到工商局向社会公布的『已吊销营业执照的公司列表』里。
这时，上面的情形再次发生，按理说应该在查询『已吊销营业执照的公司列表』时，发现这个公司在列表里的。问题时，他们查询的时候查的是当地工商局的一个列表，当地工商局每周同步一次全国工商局的列表回来。所以，存在数据同步延后性问题，就把一些本来有问题的公司也给当做正常公司处理了。
Chrome所在地的工商局同步列表的频率高一些，后两者同步频率低一些。所以出现了上述表现不一致的问题。
既然Chreom已经知道这个证书是『已被撤销的』（从划红线的文字可以看出），为什么在显示证书的时候还显示绿色的『此证书有效』呢？
延伸阅读：http://www.linuxidc.com/Linux/2017-04/142486.htm