diff --git a/scripts/test-amazon-search-parser.ts b/scripts/test-amazon-search-parser.ts
index cb3b5e3..19a01a8 100644
--- a/scripts/test-amazon-search-parser.ts
+++ b/scripts/test-amazon-search-parser.ts
@@ -60,6 +60,24 @@ const html = `
           </div>
         </div>
       </section>
+
+      <section style="display: none">
+        <span>Sponsored</span>
+        <article data-asin="B000000009">
+          <h3 aria-label="Sponsored Ad - hidden preloaded product">Hidden preloaded product</h3>
+          <a href="/sspa/click?url=%2Fdp%2FB000000009">
+            <img src="https://example.com/hidden.jpg" />
+          </a>
+        </article>
+      </section>
+
+      <section aria-hidden="true">
+        <span>Sponsored</span>
+        <article data-asin="B000000010">
+          <h3>Hidden accessibility product</h3>
+          <a href="/dp/B000000010"><img src="https://example.com/hidden-aria.jpg" /></a>
+        </article>
+      </section>
     </div>
 
     <aside id="rightResultsATF" data-component-type="sponsored-display">
@@ -107,6 +125,8 @@ async function main() {
   assert.equal(byAsin.get('B000000008')?.adFormat, 'video');
   assert.equal(byAsin.get('B000000008')?.placement, 'bottomOfSearch');
   assert.equal(items.filter((item) => item.asin === 'B000000008').length, 1);
+  assert.equal(byAsin.has('B000000009'), false);
+  assert.equal(byAsin.has('B000000010'), false);
   assert.deepEqual(
     items.map((item) => item.pageRank),
     [1, 2, 3, 4, 5, 6, 7, 8],
diff --git a/src/page-worker/web-injectors/amazon-search-parser.ts b/src/page-worker/web-injectors/amazon-search-parser.ts
index b3b3299..12ee873 100644
--- a/src/page-worker/web-injectors/amazon-search-parser.ts
+++ b/src/page-worker/web-injectors/amazon-search-parser.ts
@@ -32,11 +32,30 @@ export async function collectAmazonSearchPageData(_: SearchPageCollectorPayload)
   const text = (node: Element | null | undefined) =>
     (node?.textContent || '').replace(/\s+/g, ' ').trim();
 
-  const isVisible = (node: HTMLElement) =>
-    !node.hidden &&
-    node.getAttribute('aria-hidden') !== 'true' &&
-    node.style.display !== 'none' &&
-    node.style.visibility !== 'hidden';
+  const isVisible = (node: HTMLElement) => {
+    for (let current: HTMLElement | null = node; current; current = current.parentElement) {
+      if (current.hidden || current.getAttribute('aria-hidden') === 'true') return false;
+      const style = current.ownerDocument.defaultView?.getComputedStyle(current);
+      if (
+        style &&
+        (style.display === 'none' ||
+          style.visibility === 'hidden' ||
+          style.visibility === 'collapse' ||
+          style.opacity === '0' ||
+          style.getPropertyValue('content-visibility') === 'hidden')
+      ) {
+        return false;
+      }
+    }
+
+    // JSDOM has no layout engine, so computed-style checks above are the authoritative test path.
+    // In Chromium, require the card or one of its key visual descendants to own a real render box.
+    if (node.ownerDocument.documentElement.getClientRects().length === 0) return true;
+    return [node, ...Array.from(node.querySelectorAll<HTMLElement>('img, h2, h3'))].some(
+      (candidate) =>
+        Array.from(candidate.getClientRects()).some((rect) => rect.width > 0 && rect.height > 0),
+    );
+  };
 
   const decodeRepeatedly = (value: string) => {
     let decoded = value;