The 'x-ua-compatible' meta element should not be specified as it is not needed code example
Example 1: html meta charset content ie edge
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
Example 2: meta http-equiv x-ua-compatible
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">