axe - Web Accessibility Testing

axe - Web Accessibility Testing插件简介

axe - Web Accessibility Testing插件描述

Accessibility checker f WCAG 2  Section 508 accessibility. Find accessibility defects on your website  web application by using the axe Chrome extension. Drop the axe on your accessibility defects!

The axe accessibility checker f Chrome is a fast, lightweight accessibility testing tool that returns zero false positives. It only tests f accessibility issues that can be accurately detected via automation,  it only tests f components that actually exist on the page  application you’re testing.

The axe Chrome extension utilizes the axe open source JavaScript library developed by Deque Systems – the third generation of accessibility rules f HTMLbased user interfaces. The axe library differentiates itself from other approaches  rules reposities in the following ways:

1. It wks on all modern browsers,
2. It suppts inmemy fixtures, static fixtures, integration tests  iframes of infinite depth
3. It has zero false positives (bugs notwithsting)
4. It is open source (the axece library, not the extension)
5. It is actively suppted by a maj accessibility vend
6. It is designed to wk with whatever tools, framewks, libraries  environments you have today
7. It is designed to be integrated into your existing functional/acceptance automated tests
8. It automatically determines which rules to run based on the evaluation context
9. It is highly configurable (as a JavaScript API)

axece API Version: 3.4.0
Use of this extension is governed by this license agreement https://www.deque.com/termsofuse/axeext/  the privacy policy linked under the developer infmation
                                

axe - Web Accessibility Testing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 axe - Web Accessibility TestingChrome插件v4.53.3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