diff --git a/site/public/og-image.jpg b/site/public/og-image.jpg
index 66b64ecea..4fb361dc7 100644
Binary files a/site/public/og-image.jpg and b/site/public/og-image.jpg differ
diff --git a/site/scripts/gen-icons.mjs b/site/scripts/gen-icons.mjs
index 99a903084..38556c071 100644
--- a/site/scripts/gen-icons.mjs
+++ b/site/scripts/gen-icons.mjs
@@ -9,8 +9,9 @@
  *   web-app-manifest-192x192.png
  *   web-app-manifest-512x512.png
  *
- * The 1200x600 OG / Twitter card (public/og-image.jpg) is exported from the
- * Figma Branding file (the "Social" frame), not generated here.
+ * The 1920x1008 OG / Twitter card (public/og-image.jpg) is a top-left crop of
+ * the 1920x1080 Figma "Social" frame export, not generated here. The crop is
+ * to 1.91:1 (1200x630 x1.6), so the frame's top-left never gets cut.
  *
  * Run with: node scripts/gen-icons.mjs
  */
diff --git a/site/src/layouts/BlogPost.astro b/site/src/layouts/BlogPost.astro
index 896e94932..4773658a3 100644
--- a/site/src/layouts/BlogPost.astro
+++ b/site/src/layouts/BlogPost.astro
@@ -22,6 +22,8 @@ const canonical = new URL(Astro.url.pathname, Astro.site ?? 'https://warmbly.com
 // Per-post social/share image: use the post cover when set, else the site card.
 const shareImage = cover ?? '/og-image.jpg';
 const shareImageAbsolute = new URL(shareImage, Astro.site ?? 'https://warmbly.com').toString();
+// Covers in public/blog are all exported at 1200x600; the site card is 1920x1008.
+const shareImageSize = cover ? { w: 1200, h: 600 } : { w: 1920, h: 1008 };
 
 const articleJsonLd = {
   '@context': 'https://schema.org',
@@ -61,7 +63,7 @@ const neighbors = [
   next ? { label: 'Up next', post: next } : null,
 ].filter(Boolean) as { label: string; post: BlogPost }[];
 ---
-<Layout title={`${title} | Warmbly Blog`} description={description} ogImage={shareImage} ogType="article" jsonLd={[articleJsonLd, breadcrumbJsonLd]}>
+<Layout title={`${title} | Warmbly Blog`} description={description} ogImage={shareImage} ogImageWidth={shareImageSize.w} ogImageHeight={shareImageSize.h} {...(cover ? { ogImageAlt: title } : {})} ogType="article" jsonLd={[articleJsonLd, breadcrumbJsonLd]}>
   <!-- TOP BAR: sticky under the site header, carries the reading progress -->
   <div class="sticky top-14 z-30 bg-white/90 backdrop-blur-md border-b border-[color:var(--border)]">
     <div class="container-page py-3 flex items-center justify-between text-[11.5px] font-mono">
diff --git a/site/src/layouts/Layout.astro b/site/src/layouts/Layout.astro
index 8684b6a09..890e9bd34 100644
--- a/site/src/layouts/Layout.astro
+++ b/site/src/layouts/Layout.astro
@@ -8,6 +8,10 @@ interface Props {
   title: string;
   description?: string;
   ogImage?: string;
+  /** Real pixel size of ogImage; scrapers render the card before fetching it. */
+  ogImageWidth?: number;
+  ogImageHeight?: number;
+  ogImageAlt?: string;
   /** og:type — 'website' for most pages, 'article' for Learn essays */
   ogType?: string;
   /** Extra structured data injected per-page (e.g. BlogPosting, SoftwareApplication) */
@@ -21,6 +25,9 @@ const {
   title,
   description = 'Warmbly is the deliverability platform for cold email. Warm your inboxes, send at scale, keep your reputation clean.',
   ogImage = '/og-image.jpg',
+  ogImageWidth = 1920,
+  ogImageHeight = 1008,
+  ogImageAlt = 'The Warmbly dashboard, showing the unified inbox across connected mailboxes',
   ogType = 'website',
   jsonLd,
   noIndex = false,
@@ -42,6 +49,12 @@ const posthogUiHost = import.meta.env.PUBLIC_POSTHOG_UI_HOST ?? 'https://us.post
 const siteOrigin = (Astro.site ?? new URL('https://warmbly.com')).toString().replace(/\/$/, '');
 const canonical = new URL(Astro.url.pathname, Astro.site ?? 'https://warmbly.com').toString();
 const ogImageAbsolute = new URL(ogImage, Astro.site ?? 'https://warmbly.com').toString();
+// Blog covers are .webp; declaring them as jpeg makes some scrapers skip the card.
+const ogImageType = ogImage.endsWith('.webp')
+  ? 'image/webp'
+  : ogImage.endsWith('.png')
+    ? 'image/png'
+    : 'image/jpeg';
 
 // Schema.org Organization payload, sourced from the real company record.
 const organizationJsonLd = {
@@ -125,10 +138,10 @@ const websiteJsonLd = {
     <meta property="og:locale" content="en_US" />
     <meta property="og:image" content={ogImageAbsolute} />
     <meta property="og:image:secure_url" content={ogImageAbsolute} />
-    <meta property="og:image:type" content="image/jpeg" />
-    <meta property="og:image:width" content="1280" />
-    <meta property="og:image:height" content="640" />
-    <meta property="og:image:alt" content="Warmbly: the open-source cold email platform" />
+    <meta property="og:image:type" content={ogImageType} />
+    <meta property="og:image:width" content={String(ogImageWidth)} />
+    <meta property="og:image:height" content={String(ogImageHeight)} />
+    <meta property="og:image:alt" content={ogImageAlt} />
 
     <!-- Twitter / X -->
     <meta name="twitter:card" content="summary_large_image" />
@@ -137,7 +150,7 @@ const websiteJsonLd = {
     <meta name="twitter:title" content={title} />
     <meta name="twitter:description" content={description} />
     <meta name="twitter:image" content={ogImageAbsolute} />
-    <meta name="twitter:image:alt" content="Warmbly: the open-source cold email platform" />
+    <meta name="twitter:image:alt" content={ogImageAlt} />
 
     <!-- Crawler hints -->
     <meta name="robots" content={noIndex ? 'noindex,nofollow' : 'index,follow,max-image-preview:large,max-snippet:-1'} />