PageSpeed Insight and CheckList

PageSpeed Insight and CheckList插件简介

PageSpeed Insight and CheckList插件描述

Get your PageSpeed sce  use PageSpeed suggestions to make your web site faster through our online tool.

As you may imagine, there are countless variables that go into making a successful website. Between design, search engine optimization,  technical perfmance, it can occasionally be difficult to know exactly where a website excels  where it falls sht. Ftunately, Google has a tool made to quickly gives you a snapshot of your site’s perfmance.

Google PageSpeed Insights gives you a quick rundown of your website’s speed, both in mobile  desktop settings,  its usability on mobile devices based on a number of variables that its crawler priitizes. When you enter a URL into the tool’s address bar it quickly crawls the page spitting out sces from 0 to 100 f each of these three areas.

Beyond the base sces, the kind folks at Google have also provided tailed suggestions f bringing each sce up. These flags include Should Fix, Consider Fixing,  Passed.

If you enter your site’s URL  see a few brightly coled flags, don’t panic. In fact, Google’s own homepage has a number of them.

Keyboard shtcut = alt + w

Desktop page speed sce threshold > 85
Mobile page speed sce threshold > 85
User Experience sce threshold > 90
Dom Element sce threshold <3000

                                

PageSpeed Insight and CheckList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 PageSpeed Insight and CheckListChrome插件v1.2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