HTTP/2 and SPDY indicator

HTTP/2 and SPDY indicator插件简介

HTTP/2 and SPDY indicator插件描述

HTTP/2 (based on Googles SPDY) makes the infmation exchange  browser  server significantly me perfmant. Websites  applications that upgrade their infrastructure to suppt them are at a clear advantage.

This extension shows a lightning icon in the address bar thats blue if the page is HTTP/2 enabled, green if the page is SPDY enabled,  gray if neither is available.

Currently it leverages the browser API f determining this, which relies on the protocol used f the initial page request.

**NEW in 1.0.0: suppt f latest Chrome, perfmance improvements, better icons!**
**NEW in 0.7.1: title  description improvements"**
**NEW in 0.7.0: added SPDY/5a1 suppt"**
**NEW in 0.6.0: added HTTP/2 icon [MATSUU Takuto]"**
**NEW in 0.5.0: added SPDY3.1 icon [MATSUU Takuto]"**
**NEW in 0.4.0: fix SPDY2 icon  added QUIC! [MATSUU Takuto]"**
**NEW in 0.3.0: version numbers f SPDY 2  3 in the icon [MATSUU Takuto]**
**NEW in 0.2.0: option to disable gray icon when SPDY is not enabled**
                                

HTTP/2 and SPDY indicator插件离线安装方法

1.首先用户点击谷歌浏览器右上角的自定义及控制按钮，在下拉框中选择设置。

2.在打开的谷歌浏览器的扩展管理器最左侧选择扩展程序或直接输入：chrome://extensions/

3.找到自己已经下载好的Chrome离线安装文件xxx.crx，然后将其从资源管理器中拖动到Chrome的扩展管理界面中，这时候用户会发现在扩展管理器的中央部分中会多出一个”拖动以安装“的插件按钮。

4.下载 HTTP/2 and SPDY indicatorChrome插件v1.0.0版本到本地。

5.勾选开发者模式，点击加载已解压的扩展程序，将文件夹选择即可安装插件。

注意：最新版本的chrome浏览器直接拖放安装时会出现“程序包无效CRX-HEADER-INVALID”的报错信息，参照这篇文章即可解决