I would expect NGINX to be doing some level of caching based on the ETag, but I would also expect it to be using the Content-Type as part of the cache validation, which is controlled by the Vary header.
Here's a reasonable looking article (I only skimmed) on it that might give you enough background to know whether that is a factor: https://www.fastly.com/blog/best-practices-for-using-the-vary-header that ~Ryan On Mon, 22 Jun 2015 at 07:22 Ecas Saeculum <ecas....@gmail.com> wrote: > Reaching the end of my rope, so I thought I'd check here to see if anyone > has experienced anything similar. > > Simple HTTP Server, that responds on connection with a write head and > response.end('hello'); Simple, simple. > > When I do this: > > response.writeHead(200, { > 'Content-Type': 'text/plain', > 'ETag': 'someETagHash', > 'Content-Size': '10' > }); > > > > web page header has Content-Type and Content-Size. > > When I remove Content-Type: > > response.writeHead(200, { > 'ETag': 'someETagHash', > 'Content-Size': '10' > }); > > > Web page receives the ETag. > > I'm using nginx as reverse proxy, and nginx is sending no headers to the > client. Node.js 0.10, no other packages. > > Just checking to see if anyone else has seen something similar. I have > almost 20 hours into troubleshooting this and I'm probably just going to > run without a Content-Type, if no one has seen something like this. I've > tried escaping and quoting each/all entries every way I can think of. I've > cleared out my nginx config to bare bones. I'm not seeing any ill effects > without a Content-Type, but it is kind of an annoying issue. > > -- > Job board: http://jobs.nodejs.org/ > New group rules: > https://gist.github.com/othiym23/9886289#file-moderation-policy-md > Old group rules: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nodejs+unsubscr...@googlegroups.com. > To post to this group, send email to nodejs@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nodejs/8c45346c-fbf4-4cc2-8163-b0e06079452d%40googlegroups.com > <https://groups.google.com/d/msgid/nodejs/8c45346c-fbf4-4cc2-8163-b0e06079452d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to nodejs+unsubscr...@googlegroups.com. To post to this group, send email to nodejs@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/nodejs/CAGjmZGwK-HoHgKdKi2rBQ6_CNaCNS7bp%2BCFi0atzUpCG3zhgwg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.