mysterious occasional hanging in browser

[kmanley]

I put slt into production yesterday reverse-proxying and terminating tls in front of single golang http server backend. Over the course of the next day I got some user reports of occasional mysterious hanging pages in their browser. Testing it myself I have seen it happen a few times today, though I can't find a sequence of steps that repeats it. @inconshreveable I know you are using slt in production. Are you proxying https with it? Have you ever seen this hanging behavior? Any ideas where I might look to track it down and fix? I love the simplicity of slt and would like to make it work.