<meta> tags, the role of X-ua-compatible and ie=edge,chrome=1

Used to specify what mode the browser will first render the page, Ie=edge represents the highest version of the kernel rendering, ie=8 represents the Id8 kernel rendering page, in addition to Ie=9, id=10 and so on.

And chrome=1 means that the chrome kernel is preferred to render the page. There may be confusion: How can Internet Explorer use the Google kernel? In fact, Google has developed a framework: Google Chrome Frame (GCF), by installing this framework can be implemented in the Chrome kernel rendering page

<meta> tags, the role of X-ua-compatible and ie=edge,chrome=1