use sapper:prefetch

site/src/routes/blog/index.svelte

@@ -22,7 +22,7 @@
 <div class='posts stretch'>
 	{#each posts as post}
 		<article class='post' data-pubdate={post.metadata.dateString}>
-			<a class="no-underline" rel='prefetch' href='blog/{post.slug}' title='Read the article »'>
+			<a class="no-underline" sapper:prefetch href='blog/{post.slug}' title='Read the article »'>
 				<h2>{post.metadata.title}</h2>
 				<p>{post.metadata.description}</p>
 			</a>

site/src/routes/faq/index.svelte

@@ -26,7 +26,7 @@
 		<article class='faq'>
 			<h2>
 			<span id={faq.fragment} class="offset-anchor"></span>
-			<a class="anchor" rel='prefetch' href='faq#{faq.fragment}' title='{faq.question}'>&nbsp;</a>
+			<a class="anchor" href='faq#{faq.fragment}' title='{faq.question}'>&nbsp;</a>
 			{faq.metadata.question}
 			</h2>
 			<p>{@html faq.answer}</p>

site/src/routes/index.svelte

@@ -87,7 +87,7 @@ npm run dev
 
 		<p style="flex: 1">See the <a href="blog/the-easiest-way-to-get-started">quickstart guide</a> for more information.</p>
 
-		<p class="cta"><a rel="prefetch" href="tutorial">Learn Svelte</a></p>
+		<p class="cta"><a sapper:prefetch href="tutorial">Learn Svelte</a></p>
 	</div>
 </Blurb>
 

site/src/routes/tutorial/[slug]/_TableOfContents.svelte

@@ -64,7 +64,7 @@
 </style>
 
 <nav>
-	<a rel="prefetch" aria-label="Previous tutorial step" class="no-underline" href="tutorial/{(selected.prev || selected).slug}" class:disabled={!selected.prev}>
+	<a sapper:prefetch aria-label="Previous tutorial step" class="no-underline" href="tutorial/{(selected.prev || selected).slug}" class:disabled={!selected.prev}>
 		<Icon name="arrow-left" />
 	</a>
 
@@ -88,7 +88,7 @@
 		</select>
 	</div>
 
-	<a rel="prefetch" aria-label="Next tutorial step" class="no-underline" href="tutorial/{(selected.next || selected).slug}" class:disabled={!selected.next}>
+	<a sapper:prefetch aria-label="Next tutorial step" class="no-underline" href="tutorial/{(selected.next || selected).slug}" class:disabled={!selected.next}>
 		<Icon name="arrow-right" />
 	</a>
 </nav>