diff --git a/src/components/SiteHeader/MobileMenu/index.svelte b/src/components/SiteHeader/MobileMenu/index.svelte
index 9c6a340e..d4afd107 100644
--- a/src/components/SiteHeader/MobileMenu/index.svelte
+++ b/src/components/SiteHeader/MobileMenu/index.svelte
@@ -4,13 +4,15 @@
   import { normalizeUrl } from '../NavBar/utils/index.js';
 
   interface Props {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     data?: any;
     isMobileMenuOpen?: boolean;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     releaseMobileMenu?: any;
   }
 
   let {
-    data = [],
+    data = {},
     isMobileMenuOpen = false,
     releaseMobileMenu = () => {},
   }: Props = $props();
diff --git a/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/index.svelte b/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/index.svelte
index 7c0d8e3e..bb5c75c6 100644
--- a/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/index.svelte
+++ b/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/index.svelte
@@ -13,12 +13,19 @@
       <span>{story.title}</span>
       <time datetime={story.display_time}>{getTime(story.display_time)}</time>
     </div>
-    {#if thumbnail}
+    {#if thumbnail && (thumbnail.resizer_url || thumbnail?.renditions?.square?.['120w'])}
       <div class="thumbnail">
-        <img
-          src={thumbnail.renditions.square['120w']}
-          alt={thumbnail.alt_text}
-        />
+        {#if thumbnail.resizer_url}
+          <img
+            src="{thumbnail.resizer_url}&width=120&quality=80"
+            alt={thumbnail.alt_text}
+          />
+        {:else}
+          <img
+            src={thumbnail.renditions.square['120w']}
+            alt={thumbnail.alt_text}
+          />
+        {/if}
       </div>
     {/if}
   </a>
@@ -39,9 +46,6 @@
       text-decoration: none;
       .story-text span {
         text-decoration: underline;
-        &.label {
-          text-decoration: none;
-        }
       }
     }
 
@@ -62,14 +66,6 @@
         }
       }
 
-      span.label {
-        font-size: 14px;
-        line-height: 1.1;
-        margin-bottom: 8px;
-        display: block;
-        font-weight: 200;
-      }
-
       time {
         @include font-sans;
         margin-top: 8px;
diff --git a/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.js b/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.ts
similarity index 76%
rename from src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.js
rename to src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.ts
index d30c0c75..db2455a5 100644
--- a/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.js
+++ b/src/components/SiteHeader/NavBar/NavDropdown/StoryCard/time.ts
@@ -31,7 +31,7 @@ dayjs.updateLocale('en', {
   },
 });
 
-const getTimeZone = (local) => {
+const getTimeZone = (local: boolean) => {
   if (local) {
     return dayjs.tz.guess();
   }
@@ -39,15 +39,19 @@ const getTimeZone = (local) => {
   return 'UTC';
 };
 
-const diff = (dateFrom, dateTo, measurement = 'day') => {
+const diff = (
+  dateFrom: Date,
+  dateTo: number,
+  measurement: 'day' | 'hour' = 'day'
+) => {
   return dayjs(dateFrom).diff(dayjs(dateTo), measurement, true);
 };
 
-const olderThanHour = (dateFrom, dateTo, hours = 1) => {
+const olderThanHour = (dateFrom: Date, dateTo: number, hours = 1) => {
   return diff(dateFrom, dateTo, 'hour') < -hours;
 };
 
-const isSameDay = (dateFrom, dateTo) => {
+const isSameDay = (dateFrom: Date, dateTo: number) => {
   const first = new Date(dateFrom);
   const second = new Date(dateTo);
   return (
@@ -57,10 +61,10 @@ const isSameDay = (dateFrom, dateTo) => {
   );
 };
 
-export const getTime = (datetime) => {
+export const getTime = (datetime: dayjs.ConfigType) => {
   const publishTime = dayjs(datetime, { utc: true });
-  const showRelativeTime = !olderThanHour(publishTime, Date.now());
-  const showTime = isSameDay(publishTime, Date.now());
+  const showRelativeTime = !olderThanHour(publishTime.toDate(), Date.now());
+  const showTime = isSameDay(publishTime.toDate(), Date.now());
   const timezone = getTimeZone(false);
   if (showRelativeTime) {
     return dayjs().to(publishTime);
diff --git a/src/components/SiteHeader/NavBar/NavDropdown/index.svelte b/src/components/SiteHeader/NavBar/NavDropdown/index.svelte
index 2f32cb2d..89eeb35f 100644
--- a/src/components/SiteHeader/NavBar/NavDropdown/index.svelte
+++ b/src/components/SiteHeader/NavBar/NavDropdown/index.svelte
@@ -1,20 +1,34 @@
-<!-- @migration-task Error while migrating Svelte code: Can't migrate code with afterUpdate. Please migrate by hand. -->
-<script>
-  import { afterUpdate } from 'svelte';
+<script lang="ts">
   import StoryCard from './StoryCard/index.svelte';
   import Spinner from './Spinner/index.svelte';
-  import { getContext } from 'svelte';
+  import { getContext, type Snippet } from 'svelte';
+  import type { Writable } from 'svelte/store';
 
-  const activeSection = getContext('nav-active-section');
+  interface Props {
+    headingText?: string;
+    children: Snippet;
+  }
 
-  export let headingText = 'Trending Stories';
+  let { headingText = 'Trending Stories', children }: Props = $props();
 
-  let stories = [];
-  let lastFetched = null;
+  const activeSection =
+    getContext<Writable<null | string>>('nav-active-section');
 
-  afterUpdate(async () => {
-    if (lastFetched === $activeSection) return;
-    if ($activeSection === 'more') {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  let stories = $state<any[]>([]);
+  let lastFetched = $state<null | string>(null);
+
+  $effect(() => {
+    try {
+      fetchSection($activeSection);
+    } catch {
+      console.log('Error fetching articles');
+    }
+  });
+
+  const fetchSection = async (activeSection: null | string) => {
+    if (lastFetched === activeSection) return;
+    if (activeSection === 'more') {
       await fetch(
         'https://www.reuters.com/pf/api/v3/content/fetch/articles-by-trends-v1?' +
           new URLSearchParams({
@@ -27,14 +41,17 @@
         .then((response) => response.json())
         .then((data) => {
           stories = data.result.articles;
-          lastFetched = $activeSection;
+          lastFetched = activeSection;
+        })
+        .catch(() => {
+          console.log('Error fetching articles');
         });
     } else {
       await fetch(
         'https://www.reuters.com/pf/api/v3/content/fetch/recent-stories-by-sections-v1?' +
           new URLSearchParams({
             query: JSON.stringify({
-              section_ids: $activeSection,
+              section_ids: activeSection,
               size: 4,
               website: 'reuters',
             }),
@@ -43,10 +60,13 @@
         .then((response) => response.json())
         .then((data) => {
           stories = data.result.articles;
-          lastFetched = $activeSection;
+          lastFetched = activeSection;
+        })
+        .catch(() => {
+          console.log('Error fetching articles');
         });
     }
-  });
+  };
 </script>
 
 <div class="dropdown">
@@ -54,7 +74,7 @@
     <div class="inner">
       <div class="submenu">
         <div class="inner">
-          <slot />
+          {@render children?.()}
         </div>
       </div>
       <div class="stories-container">
diff --git a/src/components/SiteHeader/NavBar/index.svelte b/src/components/SiteHeader/NavBar/index.svelte
index 7dff8f02..feb0c9a6 100644
--- a/src/components/SiteHeader/NavBar/index.svelte
+++ b/src/components/SiteHeader/NavBar/index.svelte
@@ -4,10 +4,12 @@
   import MoreDropdown from './NavDropdown/MoreDropdown.svelte';
   import { normalizeUrl } from './utils/index';
   import { getContext } from 'svelte';
+  import type { Writable } from 'svelte/store';
 
   let { sections = [] } = $props();
 
-  const activeSection = getContext('nav-active-section');
+  const activeSection =
+    getContext<Writable<null | string>>('nav-active-section');
 
   let windowWidth = $state(1200);
 
@@ -16,7 +18,7 @@
     return 5;
   });
 
-  let navTimeout = $state();
+  let navTimeout = $state<ReturnType<typeof setTimeout>>();
   const timeout = 250;
 
   let displayCount = $derived(getDisplayCount());
diff --git a/src/components/SiteHeader/NavBar/utils/index.js b/src/components/SiteHeader/NavBar/utils/index.ts
similarity index 57%
rename from src/components/SiteHeader/NavBar/utils/index.js
rename to src/components/SiteHeader/NavBar/utils/index.ts
index dd3c8404..bbb458bd 100644
--- a/src/components/SiteHeader/NavBar/utils/index.js
+++ b/src/components/SiteHeader/NavBar/utils/index.ts
@@ -1,2 +1,2 @@
-export const normalizeUrl = (url) =>
+export const normalizeUrl = (url: string) =>
   /^http/.test(url) ? url : `https://www.reuters.com${url}`;
diff --git a/src/components/SiteHeader/SiteHeader.mdx b/src/components/SiteHeader/SiteHeader.mdx
new file mode 100644
index 00000000..afb66d4e
--- /dev/null
+++ b/src/components/SiteHeader/SiteHeader.mdx
@@ -0,0 +1,33 @@
+import { Meta } from '@storybook/blocks';
+
+import * as SiteHeaderStories from './SiteHeader.stories.svelte';
+
+<Meta of={SiteHeaderStories} />
+
+# SiteHeader
+
+Reuters dotcom site header, ported from [Raptor UI components](https://github.com/tr/rcom-arc_raptor-ui/tree/develop/packages/rcom-raptor-ui_common/src/components/site-header).
+
+> **Note:** In the Graphics Kit, you can find this component in `pages/+page.svelte`. Customise it there for the default page.
+
+```svelte
+<script>
+  import { SiteHeader } from '@reuters-graphics/graphics-components';
+</script>
+
+<SiteHeader />
+```
+
+## Dark theme
+
+Colours are customised by the [`Theme`](?path=/docs/theming-theme--default) component. ([Demo](?path=/story/components-page-furniture-siteheader--customised-theme))
+
+```svelte
+<script>
+  import { SiteHeader, Theme } from '@reuters-graphics/graphics-components';
+</script>
+
+<Theme base="dark">
+  <SiteHeader />
+</Theme>
+```
diff --git a/src/components/SiteHeader/SiteHeader.stories.svelte b/src/components/SiteHeader/SiteHeader.stories.svelte
index 979f5ab5..518debd8 100644
--- a/src/components/SiteHeader/SiteHeader.stories.svelte
+++ b/src/components/SiteHeader/SiteHeader.stories.svelte
@@ -1,43 +1,24 @@
 <script module lang="ts">
-  // @ts-ignore raw
-  import componentDocs from './stories/docs/component.md?raw';
-  // @ts-ignore raw
-  import darkThemeDocs from './stories/docs/darkTheme.md?raw';
-
+  import { defineMeta } from '@storybook/addon-svelte-csf';
   import SiteHeader from './SiteHeader.svelte';
+  import Theme from '../Theme/Theme.svelte';
 
-  import {
-    withComponentDocs,
-    withStoryDocs,
-  } from '$lib/docs/utils/withParams.js';
-
-  export const meta = {
+  const { Story } = defineMeta({
     title: 'Components/Page furniture/SiteHeader',
     component: SiteHeader,
-    ...withComponentDocs(componentDocs),
-    argsTypes: {
+    argTypes: {
       themes: { control: { disable: true } },
     },
-  };
+  });
 </script>
 
-<script>
-  import { Template, Story } from '@storybook/addon-svelte-csf';
+<Story name="Demo">
+  <div>
+    <SiteHeader />
+  </div>
+</Story>
 
-  import Theme from '../Theme/Theme.svelte';
-</script>
-
-<Template>
-  {#snippet children({ args })}
-    <div>
-      <SiteHeader {...args} />
-    </div>
-  {/snippet}
-</Template>
-
-<Story name="Default" />
-
-<Story name="Customised theme" {...withStoryDocs(darkThemeDocs)}>
+<Story name="Customised theme">
   <div>
     <Theme base="dark">
       <SiteHeader />
diff --git a/src/components/SiteHeader/SiteHeader.svelte b/src/components/SiteHeader/SiteHeader.svelte
index 5a0072a8..b5064fec 100644
--- a/src/components/SiteHeader/SiteHeader.svelte
+++ b/src/components/SiteHeader/SiteHeader.svelte
@@ -8,7 +8,7 @@
   import MenuIcon from './svgs/Menu.svelte';
   import MobileMenu from './MobileMenu/index.svelte';
 
-  setContext('nav-active-section', writable(null));
+  setContext('nav-active-section', writable<null | string>(null));
 
   let data = $state(starterData);
 
diff --git a/src/components/SiteHeader/stories/docs/component.md b/src/components/SiteHeader/stories/docs/component.md
deleted file mode 100644
index 431b7e25..00000000
--- a/src/components/SiteHeader/stories/docs/component.md
+++ /dev/null
@@ -1,11 +0,0 @@
-Reuters dotcom site header, ported from [Raptor UI components](https://github.com/tr/rcom-arc_raptor-ui/tree/develop/packages/rcom-raptor-ui_common/src/components/site-header).
-
-> **Note:** In the Graphics Kit, you can find this component in `pages/+page.svelte`. Customise it there for the default page.
-
-```svelte
-<script>
-  import { SiteHeader } from '@reuters-graphics/graphics-components';
-</script>
-
-<SiteHeader />
-```
diff --git a/src/components/SiteHeader/stories/docs/darkTheme.md b/src/components/SiteHeader/stories/docs/darkTheme.md
deleted file mode 100644
index 492e8157..00000000
--- a/src/components/SiteHeader/stories/docs/darkTheme.md
+++ /dev/null
@@ -1,11 +0,0 @@
-Colours are customised by the [`Theme`](?path=/docs/theming-theme--default) component.
-
-```svelte
-<script>
-  import { SiteHeader, Theme } from '@reuters-graphics/graphics-components';
-</script>
-
-<Theme base="dark">
-  <SiteHeader />
-</Theme>
-```