diff --git a/docusaurus.config.js b/docusaurus.config.js
index 900d3c50..34a4ea90 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -21,6 +21,9 @@ const config = {
   themeConfig:
     /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
     ({
+      // Sets og:image and twitter:image. Path is relative to /static.
+      // Source for the card is static/img/social-card.svg.
+      image: 'img/social-card.jpg',
       metadata: [
         {
           name: 'theme-color',
diff --git a/static/img/social-card.jpg b/static/img/social-card.jpg
new file mode 100644
index 00000000..d35dfa70
Binary files /dev/null and b/static/img/social-card.jpg differ
diff --git a/static/img/social-card.svg b/static/img/social-card.svg
new file mode 100644
index 00000000..0062ebae
--- /dev/null
+++ b/static/img/social-card.svg
@@ -0,0 +1,54 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="630" viewBox="0 0 1200 630">
+  <defs>
+    <style>      text { font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif; }
+    </style>
+
+    <!-- Same gradient as the site hero: src/pages/styles.module.css .hero -->
+    <linearGradient id="base" x1="0" y1="0" x2="0.72" y2="1">
+      <stop offset="0%" stop-color="#004a92"/>
+      <stop offset="55%" stop-color="#0072c6"/>
+      <stop offset="100%" stop-color="#0086dd"/>
+    </linearGradient>
+    <radialGradient id="glow" cx="0.5" cy="-0.1" r="0.75">
+      <stop offset="0%" stop-color="#2a93e6" stop-opacity="1"/>
+      <stop offset="60%" stop-color="#2a93e6" stop-opacity="0"/>
+    </radialGradient>
+
+    <!-- 42px grid, radially masked like .hero::before -->
+    <pattern id="grid" width="42" height="42" patternUnits="userSpaceOnUse">
+      <path d="M42 0H0V42" fill="none" stroke="#fff" stroke-opacity="0.06" stroke-width="1"/>
+    </pattern>
+    <radialGradient id="gridFade" cx="0.5" cy="0.2" r="0.62">
+      <stop offset="0%" stop-color="#fff" stop-opacity="1"/>
+      <stop offset="75%" stop-color="#fff" stop-opacity="0"/>
+    </radialGradient>
+    <mask id="gridMask">
+      <rect width="1200" height="630" fill="url(#gridFade)"/>
+    </mask>
+  </defs>
+
+  <rect width="1200" height="630" fill="url(#base)"/>
+  <rect width="1200" height="630" fill="url(#glow)"/>
+  <rect width="1200" height="630" fill="url(#grid)" mask="url(#gridMask)"/>
+
+  <!-- Oversized turtle mark on the right -->
+  <g opacity="0.13" transform="translate(828 22) scale(2.98)">
+    <path fill="#FFF" class="cls-1" d="M45.796672706604,37.495241546630865 c-0.3800000000000001,-0.28 -0.77,-0.54 -1.12,-0.8500000000000002 a14.68,14.68 0 0 1 -4.86,-9.12 c-1,-6.65 1.2,-12.33 5.79,-17.07 c5.11,-5.28 11.5,-7.43 18.78,-7.09 c10.34,0.4700000000000001 17.79,7.88 20.12,17.18 a26.25,26.25 0 0 1 -3.59,21.12 A40.14,40.14 0 0 1 70.166672706604,52.84524154663086 c-3.18,2.2800000000000002 -6.5,4.38 -9.84,6.42 a140,140 0 0 0 -14,9.27 a60.53,60.53 0 0 0 -11.08,11.25 a47.06,47.06 0 0 0 -8.3,20 A54.26,54.26 0 0 0 30.166672706604004,130.00524154663086 a70.42,70.42 0 0 0 10.88,17.58 c4.92,6.06 10.22,11.78 15.620000000000001,17.4 a81.11,81.11 0 0 1 7.43,8.63 c4.19,5.83 6.71,12.26 6.53,19.54 a18.82,18.82 0 0 1 -3.07,10.44 a8.28,8.28 0 0 1 -2.81,2.77 a6.62,6.62 0 0 1 0.46,-0.7100000000000002 a15.38,15.38 0 0 0 3.23,-8.5 c0.53,-6.11 -1.24,-11.6 -4.48,-16.7 A49.7,49.7 0 0 0 56.166672706604004,171.39524154663087 c-4.69,-4.47 -9.43,-8.89 -14.15,-13.33 c-0.11000000000000003,-0.11000000000000003 -0.24000000000000005,-0.19000000000000006 -0.46,-0.3700000000000001 A16.05,16.05 0 0 1 27.166672706604004,164.99524154663087 c-2.19,-0.06000000000000002 -6.08,-1.05 -7.47,-2.68 a7.13,7.13 0 0 1 0.7100000000000002,-0.55 c2.42,-1.48 4.88,-2.9 7.26,-4.44 a10.44,10.44 0 0 1 5.77,-1.71 c1.52,0 3,0 4.55,0 c0.4200000000000001,0 0.8400000000000002,-0.08000000000000003 1.49,-0.14 l-1.13,-1.23 a107.92,107.92 0 0 1 -8.69,-10.39 a61.52,61.52 0 0 1 -10.61,-25.57 A63.87,63.87 0 0 1 18.656672706604,100.09524154663086 a52.27,52.27 0 0 1 6.19,-19.89 c1.36,-2.43 3.06,-4.67 4.62,-7 c0.24000000000000005,-0.3600000000000001 0.52,-0.6900000000000004 0.8500000000000002,-1.1400000000000001 c-0.3100000000000001,-0.3300000000000001 -0.5900000000000002,-0.6500000000000002 -0.9,-0.9400000000000002 a24.16,24.16 0 0 0 -13.38,-6.44 a25,25 0 0 0 -13.26,1.7200000000000002 c-0.4200000000000001,0.17 -0.8800000000000002,0.6400000000000002 -1.31,0.24000000000000005 s0,-1 0.17,-1.42 a14,14 0 0 1 8.78,-7.8 c9.17,-3.18 19.74,1.2 23.55,9.79 a3.55,3.55 0 0 0 0.28,0.46 c0.23,-0.18000000000000005 0.45,-0.3400000000000002 0.6500000000000002,-0.52 a88.8,88.8 0 0 1 17.41,-12.870000000000001 c4.11,-2.4 8.21,-4.8100000000000005 12.2,-7.38 c4.91,-3.16 9.14,-7.08 11.71,-12.43 c3.09,-6.45 2.93,-12.88 -1,-19 a15.13,15.13 0 0 0 -12.33,-7 A19.65,19.65 0 0 0 49.576672706604,12.09524154663086 c-5.27,3.84 -8.06,9 -7.8100000000000005,15.6 a13.8,13.8 0 0 0 3.46,8.75 c0.26,0.3000000000000001 0.5,0.6000000000000002 0.7600000000000002,0.91 zm66.2,124.25 c-2.42,-1.48 -4.87,-2.91 -7.26,-4.44 a10.36,10.36 0 0 0 -5.65,-1.6900000000000004 c-1.6800000000000004,0 -3.36,0 -5,-0.08000000000000003 c-0.5,0 -1,-0.11000000000000003 -1.6800000000000004,-0.19000000000000006 c0.45,-0.5 0.7500000000000002,-0.8600000000000002 1.08,-1.2 a71.37,71.37 0 0 0 10.47,-14.13 a60.26,60.26 0 0 0 8,-28.57 a58.22,58.22 0 0 0 -1.4,-13.8 a53,53 0 0 0 -12.12,-24.29 c-0.18000000000000005,-0.21000000000000005 -0.3500000000000001,-0.4300000000000001 -0.51,-0.6300000000000002 a1.7200000000000002,1.7200000000000002 0 0 1 0.14,-0.25 a24.07,24.07 0 0 1 15.91,-8 a24.47,24.47 0 0 1 12,1.84 c0.4400000000000001,0.18000000000000005 1,0.7200000000000002 1.4100000000000001,0.25 s0,-1.05 -0.25,-1.52 a13.64,13.64 0 0 0 -7,-7 a18.15,18.15 0 0 0 -12.63,-1.15 c-6.26,1.62 -10.84,5.29 -13.17,11.48 a3.83,3.83 0 0 1 -0.3100000000000001,0.5900000000000002 a66.38,66.38 0 0 0 -11.54,-7.82 a113.25,113.25 0 0 0 -12.57,-6 a9,9 0 0 0 1.4100000000000001,1.28 c4.41,3.44 8.88,6.82 13.22,10.34 a52.68,52.68 0 0 1 11,12 a56.2,56.2 0 0 1 8.870000000000001,27.54 A59.44,59.44 0 0 1 97.916672706604,137.09524154663086 a86.72,86.72 0 0 1 -14.28,20.51 c-4.12,4.46 -8.41,8.77 -12.64,13.15 c-1.07,1.11 -2.17,2.19 -3.26,3.2800000000000002 a125.63,125.63 0 0 0 22.8,-16.9 c5.87,9.57 17.74,9.18 22.21,5.15 C112.43667270660401,162.09524154663086 112.226672706604,161.88524154663085 111.99667270660402,161.74524154663087 zM67.55667270660399,21.63524154663086 A8.37,8.37 0 0 0 59.166672706604004,17.495241546630858 a8.69,8.69 0 0 0 -7.23,9.07 a8.42,8.42 0 1 0 15.61,-4.93 zm3.7800000000000002,94.28 a48.14,48.14 0 0 0 9.89,-3.12 a70.46,70.46 0 0 0 11.12,-6.08 a2.54,2.54 0 0 0 0.7400000000000002,-0.5900000000000002 c0.15000000000000005,-0.2 0.2900000000000001,-0.5900000000000002 0.19000000000000006,-0.7400000000000002 a1.08,1.08 0 0 0 -0.77,-0.4100000000000001 a3.89,3.89 0 0 0 -1.15,0.2900000000000001 c-4.3,1.36 -8.57,2.79 -12.89,4.08 a50.07,50.07 0 0 1 -27.53,0.7100000000000002 c-4,-0.9400000000000002 -8,-2 -11.93,-3.05 a7.15,7.15 0 0 0 -1.53,-0.22000000000000006 a0.7200000000000002,0.7200000000000002 0 0 0 -0.5700000000000002,0.3100000000000001 a0.7100000000000002,0.7100000000000002 0 0 0 0.17,0.6300000000000002 a5.87,5.87 0 0 0 1.24,0.92 c1.6,0.8800000000000002 3.23,1.7200000000000002 4.85,2.58 a54.15,54.15 0 0 0 11,4.12 a43.9,43.9 0 0 0 11.17,1.23 A56.4,56.4 0 0 0 71.33667270660399,115.91524154663085 z" id="svg_1"/>
+  </g>
+
+  <!-- Wordmark -->
+  <g transform="translate(80 62)">
+    <g transform="scale(0.335)">
+      <path fill="#FFF" class="cls-1" d="M45.796672706604,37.495241546630865 c-0.3800000000000001,-0.28 -0.77,-0.54 -1.12,-0.8500000000000002 a14.68,14.68 0 0 1 -4.86,-9.12 c-1,-6.65 1.2,-12.33 5.79,-17.07 c5.11,-5.28 11.5,-7.43 18.78,-7.09 c10.34,0.4700000000000001 17.79,7.88 20.12,17.18 a26.25,26.25 0 0 1 -3.59,21.12 A40.14,40.14 0 0 1 70.166672706604,52.84524154663086 c-3.18,2.2800000000000002 -6.5,4.38 -9.84,6.42 a140,140 0 0 0 -14,9.27 a60.53,60.53 0 0 0 -11.08,11.25 a47.06,47.06 0 0 0 -8.3,20 A54.26,54.26 0 0 0 30.166672706604004,130.00524154663086 a70.42,70.42 0 0 0 10.88,17.58 c4.92,6.06 10.22,11.78 15.620000000000001,17.4 a81.11,81.11 0 0 1 7.43,8.63 c4.19,5.83 6.71,12.26 6.53,19.54 a18.82,18.82 0 0 1 -3.07,10.44 a8.28,8.28 0 0 1 -2.81,2.77 a6.62,6.62 0 0 1 0.46,-0.7100000000000002 a15.38,15.38 0 0 0 3.23,-8.5 c0.53,-6.11 -1.24,-11.6 -4.48,-16.7 A49.7,49.7 0 0 0 56.166672706604004,171.39524154663087 c-4.69,-4.47 -9.43,-8.89 -14.15,-13.33 c-0.11000000000000003,-0.11000000000000003 -0.24000000000000005,-0.19000000000000006 -0.46,-0.3700000000000001 A16.05,16.05 0 0 1 27.166672706604004,164.99524154663087 c-2.19,-0.06000000000000002 -6.08,-1.05 -7.47,-2.68 a7.13,7.13 0 0 1 0.7100000000000002,-0.55 c2.42,-1.48 4.88,-2.9 7.26,-4.44 a10.44,10.44 0 0 1 5.77,-1.71 c1.52,0 3,0 4.55,0 c0.4200000000000001,0 0.8400000000000002,-0.08000000000000003 1.49,-0.14 l-1.13,-1.23 a107.92,107.92 0 0 1 -8.69,-10.39 a61.52,61.52 0 0 1 -10.61,-25.57 A63.87,63.87 0 0 1 18.656672706604,100.09524154663086 a52.27,52.27 0 0 1 6.19,-19.89 c1.36,-2.43 3.06,-4.67 4.62,-7 c0.24000000000000005,-0.3600000000000001 0.52,-0.6900000000000004 0.8500000000000002,-1.1400000000000001 c-0.3100000000000001,-0.3300000000000001 -0.5900000000000002,-0.6500000000000002 -0.9,-0.9400000000000002 a24.16,24.16 0 0 0 -13.38,-6.44 a25,25 0 0 0 -13.26,1.7200000000000002 c-0.4200000000000001,0.17 -0.8800000000000002,0.6400000000000002 -1.31,0.24000000000000005 s0,-1 0.17,-1.42 a14,14 0 0 1 8.78,-7.8 c9.17,-3.18 19.74,1.2 23.55,9.79 a3.55,3.55 0 0 0 0.28,0.46 c0.23,-0.18000000000000005 0.45,-0.3400000000000002 0.6500000000000002,-0.52 a88.8,88.8 0 0 1 17.41,-12.870000000000001 c4.11,-2.4 8.21,-4.8100000000000005 12.2,-7.38 c4.91,-3.16 9.14,-7.08 11.71,-12.43 c3.09,-6.45 2.93,-12.88 -1,-19 a15.13,15.13 0 0 0 -12.33,-7 A19.65,19.65 0 0 0 49.576672706604,12.09524154663086 c-5.27,3.84 -8.06,9 -7.8100000000000005,15.6 a13.8,13.8 0 0 0 3.46,8.75 c0.26,0.3000000000000001 0.5,0.6000000000000002 0.7600000000000002,0.91 zm66.2,124.25 c-2.42,-1.48 -4.87,-2.91 -7.26,-4.44 a10.36,10.36 0 0 0 -5.65,-1.6900000000000004 c-1.6800000000000004,0 -3.36,0 -5,-0.08000000000000003 c-0.5,0 -1,-0.11000000000000003 -1.6800000000000004,-0.19000000000000006 c0.45,-0.5 0.7500000000000002,-0.8600000000000002 1.08,-1.2 a71.37,71.37 0 0 0 10.47,-14.13 a60.26,60.26 0 0 0 8,-28.57 a58.22,58.22 0 0 0 -1.4,-13.8 a53,53 0 0 0 -12.12,-24.29 c-0.18000000000000005,-0.21000000000000005 -0.3500000000000001,-0.4300000000000001 -0.51,-0.6300000000000002 a1.7200000000000002,1.7200000000000002 0 0 1 0.14,-0.25 a24.07,24.07 0 0 1 15.91,-8 a24.47,24.47 0 0 1 12,1.84 c0.4400000000000001,0.18000000000000005 1,0.7200000000000002 1.4100000000000001,0.25 s0,-1.05 -0.25,-1.52 a13.64,13.64 0 0 0 -7,-7 a18.15,18.15 0 0 0 -12.63,-1.15 c-6.26,1.62 -10.84,5.29 -13.17,11.48 a3.83,3.83 0 0 1 -0.3100000000000001,0.5900000000000002 a66.38,66.38 0 0 0 -11.54,-7.82 a113.25,113.25 0 0 0 -12.57,-6 a9,9 0 0 0 1.4100000000000001,1.28 c4.41,3.44 8.88,6.82 13.22,10.34 a52.68,52.68 0 0 1 11,12 a56.2,56.2 0 0 1 8.870000000000001,27.54 A59.44,59.44 0 0 1 97.916672706604,137.09524154663086 a86.72,86.72 0 0 1 -14.28,20.51 c-4.12,4.46 -8.41,8.77 -12.64,13.15 c-1.07,1.11 -2.17,2.19 -3.26,3.2800000000000002 a125.63,125.63 0 0 0 22.8,-16.9 c5.87,9.57 17.74,9.18 22.21,5.15 C112.43667270660401,162.09524154663086 112.226672706604,161.88524154663085 111.99667270660402,161.74524154663087 zM67.55667270660399,21.63524154663086 A8.37,8.37 0 0 0 59.166672706604004,17.495241546630858 a8.69,8.69 0 0 0 -7.23,9.07 a8.42,8.42 0 1 0 15.61,-4.93 zm3.7800000000000002,94.28 a48.14,48.14 0 0 0 9.89,-3.12 a70.46,70.46 0 0 0 11.12,-6.08 a2.54,2.54 0 0 0 0.7400000000000002,-0.5900000000000002 c0.15000000000000005,-0.2 0.2900000000000001,-0.5900000000000002 0.19000000000000006,-0.7400000000000002 a1.08,1.08 0 0 0 -0.77,-0.4100000000000001 a3.89,3.89 0 0 0 -1.15,0.2900000000000001 c-4.3,1.36 -8.57,2.79 -12.89,4.08 a50.07,50.07 0 0 1 -27.53,0.7100000000000002 c-4,-0.9400000000000002 -8,-2 -11.93,-3.05 a7.15,7.15 0 0 0 -1.53,-0.22000000000000006 a0.7200000000000002,0.7200000000000002 0 0 0 -0.5700000000000002,0.3100000000000001 a0.7100000000000002,0.7100000000000002 0 0 0 0.17,0.6300000000000002 a5.87,5.87 0 0 0 1.24,0.92 c1.6,0.8800000000000002 3.23,1.7200000000000002 4.85,2.58 a54.15,54.15 0 0 0 11,4.12 a43.9,43.9 0 0 0 11.17,1.23 A56.4,56.4 0 0 0 71.33667270660399,115.91524154663085 z" id="svg_1"/>
+    </g>
+    <text x="96" y="48" font-size="40" font-weight="700" fill="#fff" letter-spacing="-0.5">Pester</text>
+  </g>
+
+  <!-- Headline, same copy and accent colour as the hero -->
+  <text x="80" y="330" font-size="70" font-weight="700" fill="#fff" letter-spacing="-2">Test your PowerShell.</text>
+  <text x="80" y="410" font-size="70" font-weight="700" fill="#bfe3ff" letter-spacing="-2">Ship with confidence.</text>
+
+  <text x="80" y="470" font-size="27" font-weight="400" fill="#fff" fill-opacity="0.9">The ubiquitous test and mock framework for PowerShell.</text>
+
+  <text x="80" y="556" font-size="26" font-weight="600" fill="#fff" fill-opacity="0.75" letter-spacing="0.5">pester.dev</text>
+</svg>
\ No newline at end of file