diff --git a/playwright.config.ts b/playwright.config.ts
index 7bfd3d8..66850d4 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -29,7 +29,7 @@ export default defineConfig({
   /* Opt out of parallel tests on CI. */
   workers: process.env.CI ? 1 : undefined,
   /* Reporter to use. See https://playwright.dev/docs/test-reporters */
-  reporter: 'html',
+  reporter: [['html', { open: 'never' }]],
   /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
   use: {
     /* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
diff --git a/static/index.html b/static/index.html
index 24dd49c..85a1d82 100644
--- a/static/index.html
+++ b/static/index.html
@@ -76,7 +76,7 @@ <h1 class="heading-lg">This website might be harmful</h1>
           <img src="./x-logo-white.png" alt="X Icon" class="twitter-icon" />
           <a
             class="twitter-share"
-            href="https://twitter.com/intent/tweet?text=MetaMask%20just%20protected%20me%20from%20a%20phishing%20attack!%20Remember%20to%20always%20stay%20vigilant%20when%20clicking%20on%20links.%20Learn%20more%20at&url=https://metamask.io"
+            href="https://x.com/intent/post?text=MetaMask%20just%20protected%20me%20from%20a%20phishing%20attack%21%20Remember%20to%20always%20stay%20vigilant%20when%20clicking%20on%20links.%20Learn%20more%20at&url=https%3A%2F%2Fmetamask.com"
             target="_blank"
             rel="noopener noreferrer"
           >
diff --git a/tests/defaults.spec.ts b/tests/defaults.spec.ts
index 3cfd649..4f5e61a 100644
--- a/tests/defaults.spec.ts
+++ b/tests/defaults.spec.ts
@@ -81,19 +81,27 @@ test('logs that the service worker is registered', async ({ page }) => {
   expect(infoLogs[0]).toMatch(expectedMessage);
 });
 
-test('redirects to X share page when clicked', async ({ page }) => {
+test('redirects to X share page when clicked', async ({ page, context }) => {
+  // Stub X so the test doesn't depend on its live redirects or availability.
+  await context.route('https://x.com/**', async (route) =>
+    route.fulfill({ status: 200, contentType: 'text/html', body: '' }),
+  );
+
   await page.goto('/');
 
+  const shareLink = page.getByRole('link', {
+    name: 'If you found this helpful, click here to share on X!',
+  });
+  await expect(shareLink).toHaveAttribute('rel', /noopener/u);
+
   const [newPage] = await Promise.all([
     page.waitForEvent('popup'),
-    page
-      .getByRole('link', {
-        name: 'If you found this helpful, click here to share on X!',
-      })
-      .click(),
+    shareLink.click(),
   ]);
 
   await expect(newPage).toHaveURL(
-    'https://x.com/intent/post?text=MetaMask%20just%20protected%20me%20from%20a%20phishing%20attack!%20Remember%20to%20always%20stay%20vigilant%20when%20clicking%20on%20links.%20Learn%20more%20at&url=https%3A%2F%2Fmetamask.io',
+    'https://x.com/intent/post?text=MetaMask%20just%20protected%20me%20from%20a%20phishing%20attack%21%20Remember%20to%20always%20stay%20vigilant%20when%20clicking%20on%20links.%20Learn%20more%20at&url=https%3A%2F%2Fmetamask.com',
   );
+  // The opened tab must not be able to control or redirect the warning page.
+  expect(await newPage.evaluate(() => window.opener)).toBeNull();
 });