记录一下用到的meta标签

<!-- SEO优化 -->
<meta name="robots" content="index,follow">
<meta name="google" content="index,follow">
<meta name="googlebot" content="index,follow">
<!-- 渲染优化 -->
<meta name="renderer" content="webkit">
<meta name="force-rendering" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<meta name="HandheldFriendly" content="true">
<meta name="apple-mobile-web-app-capable" content="yes">
<!--将http请求转成https请求-->
<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">