diff --git a/web/tests/test_i18n_parity.py b/web/tests/test_i18n_parity.py
index 2c6b466..62a28ab 100644
--- a/web/tests/test_i18n_parity.py
+++ b/web/tests/test_i18n_parity.py
@@ -57,6 +57,8 @@ _IDENTICAL_VALUE_ALLOWLIST = {
     # Business plan — Indoor/Outdoor same in DE, financial abbreviations
     "bp_indoor", "bp_outdoor",
     "bp_lbl_ebitda", "bp_lbl_irr", "bp_lbl_moic", "bp_lbl_opex",
+    # Market Score — branded term kept in English in DE
+    "footer_market_score",
 }
 
 
diff --git a/web/tests/test_market_score.py b/web/tests/test_market_score.py
new file mode 100644
index 0000000..2adf335
--- /dev/null
+++ b/web/tests/test_market_score.py
@@ -0,0 +1,59 @@
+"""Tests for the Market Score methodology page."""
+
+
+async def test_en_returns_200(client):
+    resp = await client.get("/en/market-score")
+    assert resp.status_code == 200
+    text = await resp.get_data(as_text=True)
+    assert "Market Score" in text
+    assert "padelnomics" in text
+
+
+async def test_de_returns_200(client):
+    resp = await client.get("/de/market-score")
+    assert resp.status_code == 200
+    text = await resp.get_data(as_text=True)
+    assert "Market Score" in text
+    assert "padelnomics" in text
+
+
+async def test_legacy_redirect(client):
+    resp = await client.get("/market-score")
+    assert resp.status_code == 301
+    assert resp.headers["Location"].endswith("/en/market-score")
+
+
+async def test_contains_jsonld(client):
+    resp = await client.get("/en/market-score")
+    text = await resp.get_data(as_text=True)
+    assert '"@type": "WebPage"' in text
+    assert '"@type": "FAQPage"' in text
+    assert '"@type": "BreadcrumbList"' in text
+
+
+async def test_contains_faq_section(client):
+    resp = await client.get("/en/market-score")
+    text = await resp.get_data(as_text=True)
+    assert "Frequently Asked Questions" in text
+    assert "<details" in text
+
+
+async def test_de_contains_faq_section(client):
+    resp = await client.get("/de/market-score")
+    text = await resp.get_data(as_text=True)
+    assert "Häufig gestellte Fragen" in text
+
+
+async def test_contains_og_tags(client):
+    resp = await client.get("/en/market-score")
+    text = await resp.get_data(as_text=True)
+    assert 'og:title' in text
+    assert 'og:description' in text
+
+
+async def test_footer_has_market_score_link(client):
+    resp = await client.get("/en/market-score")
+    text = await resp.get_data(as_text=True)
+    assert "/en/market-score" in text
+    # Footer should link to market score page
+    assert "Market Score" in text