What is the real-world performance difference between Websocket vs AJAX over HTTP 2.0? In particular, a project I'm working on requires bidirectional real-time updates, therefore, although nonstan...

I don't know exactly how to ask it, so I will try to explain with an example. I have these resources on example.com, an HTTP/2 enabled server: //example.com/css/file.css //example.com/js/file.js ...

HTTP/2 introduces some very interesting features such as pipelining, multiplexing, and server push promises; which on their own are awesome. In return, we sacrificed WebSockets. In theory HTTP/2 a...

The HTTP/2 specification indicates that any resource identified in a PUSH_PROMISE frame won't be pushed if the client cancels it. When a browser detects a resource already in the cache, it should ...

The bundling of JS and CSS files won't be necessary in HTTP/2, but what about image sprites? Looking at the demo it seems that it already works way faster than HTTP/1.1, but won't bundling images ...

I have installed SPDY Indicator chrome extension. It is detecting some sites as SPDY enabled and some as HTTP/2 enabled. Which are the web servers that currently support HTTP/2? I know nginx suppor...

I would like to test okhttp's http2 function. And I make multi requsts to same host in async style. But, I found that, it involved multi connections, since the protocol is h2, It should use just on...

This may just highlight some misconception of mine, but I was curious: If you had an HTTP/2 server running and wanted to make XHR requests in the browser to the server, would XHR automatically ta...

I am using Netty 4.1-Beta6 version. I want to support the use case where the HTTP2 server should be able to push events to the HTTP2 client on an existing connection - this could be an alarm or ti...

When using websocket, we need a dedicated connection for bidirectionnel communication. If we use http/2 we have a second connection maintained by the server. In that case, using websocket seems to...

I know that HTTP is a request-response protocol. My problem, in short, is that a client makes a request to the server to start a long running-process, and I want to inform the client of the progres...

Jetty's HTTP/2 client with server push support has been implemented in Jetty 9.3 RC (Link). However, I have not found any documentation or example code related to this. Could any one provide an exa...

When testing on Windows 10 we were seeing lots of browser incompatibilities that I hadn't seen before with earlier Windows versions. Some browsers would work, but others would report ERR_SPDY_PROTO...

I'm implementing a servlet in an embedded Jetty (9.3.0.v20150612) and I would like to use HTTP/2. I'm enabling ALPN for protocol negotiation to select either HTTP1.1 or HTTP2. When I'm sending an...

I've configured HTTP/2 on a Jetty 9.3 server, it has a valid certificate and SSLLabs.com given it a grade A security configuration. Browsing using Chrome to https://example.com loads the correct r...

As the title suggests, I'm looking for some information on the purpose of pseudo/colon header fields, i.e. I want to know why we have a second type of header field... Also - I know pseudo/colon he...

I've just downloaded and installed the VHD of "Windows 10 Server Technical Preview 2 Build 10074" I've followed the instructions: http://blogs.iis.net/nazim/http-2-for-iis-in-windows-10-technical-...

I want to get server sockets working for HTTP/2 in Java, preferably TLS/https. I've got a TLS server socket working fine, but browsers will only talk HTTP/1.1 to it. If I understand correctly, you...

I'd like to move my client's site entirely to HTTPS in order to allow HTTP2 to work, however I was wondering is it ok (in the eyes of search engines) to serve older traffic (of which there is a lot...

Is Apache2 planning in implementing HTTP/2 protocol anytime soon ? I was searching through their website, but I didn't find any information regarding HTTP/2.

Is it possible to use http2 features with HTTPListeners yet? I didn't hear anything about it but i heard that the new releases of the IIS / asp.net stack support it so i was hoping HTTPListener wou...

UPDATE (for anyone interested in the outcome :) I wasn't able to figure out why next protocol negotiation between chrome and node-http2 server fails. My suspicion was self signed certificate or AL...

I want to use http/2 with cURL. First I got an error when I tried this curl --http2 https://http2.akamai.com/ - "Protocol not supported". I installed nghttp2 and reinstalled cURL like it is describ...

HTTP/2 prohibits connection-specific header fields. The following header fields must not appear: "Connection", "Keep-Alive", "Proxy-Connection", "Transfer-Encoding" and "Upgrade". Additionally, "TE...

I've enabled HTTP/2 connector over SSL with jetty. When I try to connect with the browser I get an 'ERR_SSL_PROTOCOL_ERROR' error. If I switch to HTTP/1.1 connector everything works fine. Here are...