1. Two-D code plugin
https://chrome.google.com/webstore/detail/%E4%BA%8C%E7%BB%B4%E7%A0%81qr%E7%A0%81%E7%94%9F%E6%88%90%E5%99%A8/ Pflgjjogbmmcmfhfcnlohagkablhbpmg?hl=zh-cn
When testing the mobile phone scan QR code to test the WAP
2. Plugins
Https://chrome.google.com/webstore/detail/webpage-screenshot/bdfnieppndfdhcgbmhfdlgdjegclkomk?hl=en-US
3. Resolution Plug-in
Https://chrome.google.com/webstore/detail/resolution-test/idhfcdbheobinplaamokffboaccidbal/related?hl=zh-CN
Can simulate various resolutions
4. Plug-in simulation of IE browser
Https://chrome.google.com/webstore/detail/ie-tab/hehijbfgiekmjfkfjpbkbammjbdenadd/related?hl=zh-CN
You can simulate viewing a Web page in IE, but only with Windows
5. Analyze page load Performance
Https://chrome.google.com/webstore/detail/performance-analyser/djgfmlohefpomchfabngccpbaflcahjf/related?hl=en-US
The chrome plugin used by the "Go" Web Test