docs: switch to suggesting jsDelivr as a CDN (#31894)

config.yml

@@ -68,11 +68,11 @@ params:
 
   cdn:
     # See https://www.srihash.org for info on how to generate the hashes
-    css:              "https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha2/css/bootstrap.min.css"
+    css:              "https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-alpha2/dist/css/bootstrap.min.css"
     css_hash:         "sha384-DhY6onE6f3zzKbjUPRc2hOzGAdEf4/Dz+WJwBvEYL/lkkIsI3ihufq9hk9K4lVoK"
-    js:               "https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha2/js/bootstrap.min.js"
+    js:               "https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-alpha2/dist/js/bootstrap.min.js"
     js_hash:          "sha384-5h4UG+6GOuV9qXh6HqOLwZMY4mnLPraeTrjT5v07o347pj6IkfuoASuGBhfDsp3d"
-    js_bundle:        "https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha2/js/bootstrap.bundle.min.js"
+    js_bundle:        "https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-alpha2/dist/js/bootstrap.bundle.min.js"
     js_bundle_hash:   "sha384-BOsAfwzjNJHrJ8cZidOg56tcQWfp6y72vEJ8xQ9w6Quywb24iOsW913URv1IS4GD"
     popper:           "https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"
     popper_hash:      "sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN"

site/content/docs/5.0/customize/overview.md

@@ -27,7 +27,7 @@ There are multiple ways to customize Bootstrap. Your best path can depend on you
 Our two preferred methods are:
 
 1. Using Bootstrap [via package manager]({{< docsref "/getting-started/download#package-managers" >}}) so you can use and extend our source files.
-2. Using Bootstrap's compiled distribution files or the [BootstrapCDN]({{< docsref "/getting-started/download#bootstrapcdn" >}}) so you can add onto or override Bootstrap's styles.
+2. Using Bootstrap's compiled distribution files or [jsDelivr]({{< docsref "/getting-started/download#cdn-via-jsdelivr" >}}) so you can add onto or override Bootstrap's styles.
 
 While we cannot go into details here on how to use every package manager, we can give some guidance on [using Bootstrap with your own Sass compiler]({{< docsref "/customize/sass" >}}).
 

site/content/docs/5.0/getting-started/download.md

@@ -34,9 +34,9 @@ If you want to download and examine our [examples]({{< docsref "/examples" >}}),
 
 <a href="{{< param "download.dist_examples" >}}" class="btn btn-bd-primary" onclick="ga('send', 'event', 'Getting started', 'Download', 'Download Examples');">Download Examples</a>
 
-## BootstrapCDN
+## CDN via jsDelivr
 
-Skip the download with [BootstrapCDN](https://www.bootstrapcdn.com/) to deliver cached version of Bootstrap's compiled CSS and JS to your project.
+Skip the download with [jsDelivr](https://www.jsdelivr.com/) to deliver cached version of Bootstrap's compiled CSS and JS to your project.
 
 {{< highlight html >}}
 <link rel="stylesheet" href="{{< param "cdn.css" >}}" integrity="{{< param "cdn.css_hash" >}}" crossorigin="anonymous">

site/content/docs/5.0/getting-started/introduction.md

@@ -1,7 +1,7 @@
 ---
 layout: docs
 title: Introduction
-description: Get started with Bootstrap, the world's most popular framework for building responsive, mobile-first sites, with BootstrapCDN and a template starter page.
+description: Get started with Bootstrap, the world's most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.
 group: getting-started
 aliases:
   - "/docs/5.0/getting-started/"
@@ -12,7 +12,7 @@ toc: true
 
 ## Quick start
 
-Looking to quickly add Bootstrap to your project? Use BootstrapCDN, provided for free by the folks at StackPath. Using a package manager or need to download the source files? [Head to the downloads page]({{< docsref "/getting-started/download" >}}).
+Looking to quickly add Bootstrap to your project? Use jsDelivr, a free open source CDN. Using a package manager or need to download the source files? [Head to the downloads page]({{< docsref "/getting-started/download" >}}).
 
 ### CSS
 

site/layouts/partials/home/masthead-followup.html

@@ -22,9 +22,9 @@
       <div class="masthead-followup-icon d-inline-block mb-2 text-white bg-primary">
         {{ partial "icons/cloud-fill.svg" (dict "width" "32" "height" "32") }}
       </div>
-      <h2 class="display-5 font-weight-normal">BootstrapCDN</h2>
+      <h2 class="display-5 font-weight-normal">jsDelivr</h2>
       <p class="lead font-weight-normal">
-        When you only need to include Bootstrap’s compiled CSS or JS, you can use <a href="https://www.bootstrapcdn.com/">BootstrapCDN</a>.
+        When you only need to include Bootstrap’s compiled CSS or JS, you can use <a href="https://www.jsdelivr.com/">jsDelivr</a>.
       </p>
       <p>
         See it in action with our simple <a href="/docs/{{ .Site.Params.docs_version }}/getting-started/introduction/#starter-template">starter template</a>, or <a href="/docs/{{ .Site.Params.docs_version }}/examples/">browse the examples</a> to jumpstart your next project. You can also choose to include Popper.js and our JS <a href="/docs/{{ .Site.Params.docs_version }}/getting-started/introduction/#separate">separately</a>.