HTTP/2 and SPDY indicator

HTTP/2 and SPDY indicator插件简介

An indicator button for HTTP/2, SPDY and QUIC support by each website.

HTTP/2 (based on Google’s SPDY) makes the information exchange between browser and server significantly more performant. Websites and applications that upgrade their infrastructure to support them are at a clear advantage.

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

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

**NEW in 1.0.0: support for latest Chrome, performance improvements, better icons!**
**NEW in 0.7.1: title and description improvements”**
**NEW in 0.7.0: added SPDY/5a1 support”**
**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 and added QUIC! [MATSUU Takuto]”**
**NEW in 0.3.0: version numbers for SPDY 2 and 3 in the icon [MATSUU Takuto]**
**NEW in 0.2.0: option to disable gray icon when SPDY is not enabled**

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