diff --git a/website/src/app.d.ts b/website/src/app.d.ts
index c7c0ed1d2..50be011d1 100644
--- a/website/src/app.d.ts
+++ b/website/src/app.d.ts
@@ -8,6 +8,11 @@ declare global {
         // interface PageState {}
         // interface Platform {}
     }
+
+    interface Window {
+        /** The map, for extensions (set once it has loaded). */
+        _map?: import('maplibre-gl').Map;
+    }
 }
 
 export {};
diff --git a/website/src/lib/components/AlgoliaDocSearch.svelte b/website/src/lib/components/AlgoliaDocSearch.svelte
index 032b15bc8..e6c92ad7d 100644
--- a/website/src/lib/components/AlgoliaDocSearch.svelte
+++ b/website/src/lib/components/AlgoliaDocSearch.svelte
@@ -60,7 +60,7 @@
 </script>
 
 <svelte:head>
-    <link rel="preconnect" href="https://21XLD94PE3-dsn.algolia.net" crossorigin />
+    <link rel="preconnect" href="https://21XLD94PE3-dsn.algolia.net" crossorigin="anonymous" />
 </svelte:head>
 
 <div id="docsearch" class={props.class ?? ''}></div>
diff --git a/website/src/lib/components/map/style.ts b/website/src/lib/components/map/style.ts
index 2a044186e..9b202017e 100644
--- a/website/src/lib/components/map/style.ts
+++ b/website/src/lib/components/map/style.ts
@@ -125,7 +125,7 @@ export class StyleManager {
                 }
             }
         } catch (e) {
-            console.error(e.message);
+            console.error(e instanceof Error ? e.message : e);
         }
         this.merge(style, basemapStyle);
         style.sky ??= sky;
@@ -196,7 +196,7 @@ export class StyleManager {
                         }
                         this._pastOverlays.add(overlay);
                     } catch (e) {
-                        console.error(e.message);
+                        console.error(e instanceof Error ? e.message : e);
                     }
                 }
             }
diff --git a/website/src/routes/[[language]]/help/[...guide]/+page.svelte b/website/src/routes/[[language]]/help/[...guide]/+page.svelte
index 9b43b64c9..4bedb62a4 100644
--- a/website/src/routes/[[language]]/help/[...guide]/+page.svelte
+++ b/website/src/routes/[[language]]/help/[...guide]/+page.svelte
@@ -10,8 +10,8 @@
 
     let { data }: { data: { guideModule: any; guideTitles: Record<string, string> } } = $props();
 
-    let previousGuide = $derived(getPreviousGuide(page.params.guide));
-    let nextGuide = $derived(getNextGuide(page.params.guide));
+    let previousGuide = $derived(getPreviousGuide(page.params.guide ?? ''));
+    let nextGuide = $derived(getNextGuide(page.params.guide ?? ''));
 </script>
 
 <div class="markdown flex flex-col gap-3">