搞了个网站但 Edge 死活无法显示， ff 和 chrome 都正常。 Edge 页面上只显示了如下错误：
Hmm, we can ’ t reach this page.
Try this
Make sure that you ’ ve got the right web address: https://***.com
Refresh the page
Search for what you want
Edge F12 Console 报错是：
DOM7011: The code on this page disabled back and forward caching. For more information, see: http://go.microsoft.com/fwlink/?LinkID=291337
dnserror.html
这错误怎么看都是 dns 或 cache 相关是吧？ 然后换了 IE ，虽然也显示不出，但好歹报出了正确的提示：
Turn on TLS 1.0, TLS 1.1 and TLS 1.2 in Advanced settings and try connecting to https://***.com again. If this error persists, it is possible that this site uses an unsupported protocol or cipher suite such as RC4 (link for the details), which is not considered secure. Please contact your site administrator.
[Change settings]
原来是网站只支持 TLS1.2 但浏览器没开 TLS1.2 ，开了就好了。
Edge 这种报错提示简直 ZZ 。我觉得 Edge 所谓的速度无非是用户看不见的东西就不弄或乱弄，要是像 ff 或 chrome 那样地正确地输出有用信息我就不信它还快的起来。
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