On Thu, Jun 06, 2013 at 12:10:51AM -0400, justin wrote: > Ok, I see the etag for images, but not for javascript or css. Is this > because I have gzip enabled? ETag is cleared when gzipping a response on the fly. You can use http://nginx.org/en/docs/http/ngx_http_gzip_static_module.html for javascript and css files, in which case the responses will include ETag.