Defer non-critical resources and use more sensible CDN provider (#489)

Rabin Adhikari

14.25.2020 94a11b8b15766f38c18c469b4078c53228b476b6

 layouts/partials/posts/math.html

@@ -1,7 +1,7 @@
{{- if or (.Params.math) (.Site.Params.math) -}}
  <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/3.1.2/es5/tex-mml-chtml.min.js" integrity="sha512-7rZgZU/u5XjLaO7dBpkcvZ2+ilGXbdIak0FXUgMoO+adNy7RUceort055Wn7LkZY3VLwEsSDpi8Ui+32N1vrfw==" crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/3.1.2/es5/startup.min.js" integrity="sha512-C0BuHB/QtgUf7Brtfjp1U7wFsexOoYcZvMBYXis306U6/t1LkY2gdRyFwhSfrt2KYRk3FD+8y9BnOuLiEub+yA==" crossorigin="anonymous"></script>
  {{/* The file is already minified */}}
  <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
  <script>
    MathJax = {
      tex: {
@@ -18,9 +18,13 @@
  </script>
{{- end -}}
{{- if or (.Params.katex) (.Site.Params.katex) -}}
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.10.1/katex.min.css" integrity="sha512-QgXfhkU+Cno4HWFb3oPFijb+aSWv78H9GHEsSlVGNsXQ7iepDlabPRwvXsW/mQOKVHhqHtYOU0MLKHUiuuTIcA==" crossorigin="anonymous" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.10.1/katex.min.js" integrity="sha512-S/vrb4Jueg+n/i3R+7vNC4UPT3z9yGeMEABDFgC8GW2g2kukn0mUZIjIkazX0TTlaBvw1OjlTMLzWm33F4HWOQ==" crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.10.1/contrib/auto-render.min.js" integrity="sha512-GicGrbLBXJh2kbF+DYD+sCW5hPavoOfVAKSOE7+qgYCgVTcwe+/D4LXegS9JVTY72ovc5Ung4Fml+i1uD3uOyQ==" crossorigin="anonymous"
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.css"
    integrity="sha384-AfEj0r4/OFrOo5t7NnNe46zW/tFgW6x/bCJG8FqQCEo3+Aro6EYUG4+cU+KJWu/X" crossorigin="anonymous">
  {{/* The loading of KaTeX is deferred to speed up page rendering */}}
  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.js"
    integrity="sha384-g7c+Jr9ZivxKLnZTDUhnkOnsh30B4H0rpLUpJ4jAIKs4fnJI+sEnkvrMWph2EDg4" crossorigin="anonymous"></script>
  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.min.js"
    integrity="sha384-mll67QQFJfxn0IYznZYonOWZ644AWYC+Pt2cHqMaRhXVrursRwvLnLaebdGIlYNa" crossorigin="anonymous"
    onload="renderMathInElement(document.body,
      {
        delimiters: [
@@ -30,6 +34,5 @@
          {left: '\\[', right: '\\]', display: true}
        ]
      }
    );">
  </script>
    );"></script>
{{- end -}}