diff --git a/src/client/src/routes/+page.svelte b/src/client/src/routes/+page.svelte
index 2aa3b33..dec6c13 100644
--- a/src/client/src/routes/+page.svelte
+++ b/src/client/src/routes/+page.svelte
@@ -12,9 +12,9 @@
   onMount(async () => {
     try {
       [categories, stores] = await Promise.all([getCategories(), getStores()]);
-      // Start with all enabled stores selected
-      const enabledIds = stores.filter(s => s.enabled).map(s => s.id);
-      selectedStoreIds = new Set(enabledIds);
+      // Start with all enabled & healthy stores selected (exclude broken ones)
+      const healthyIds = stores.filter(s => s.enabled && s.last_scrape_ok !== 0).map(s => s.id);
+      selectedStoreIds = new Set(healthyIds);
     } catch { /* server may not be ready yet */ }
   });
 
@@ -156,21 +156,38 @@
             <!-- Store list -->
             <div class="space-y-0.5">
               {#each group.stores as store}
+                {@const isBroken = store.last_scrape_ok === 0}
                 <button
                   onclick={() => toggleStore(store.id)}
                   class="flex items-center gap-2.5 w-full text-left -mx-2 px-2 py-1 rounded transition-colors hover:bg-surface-hover/50"
                 >
                   <span class="w-3.5 h-3.5 rounded border flex items-center justify-center flex-shrink-0 transition-colors
-                    {selectedStoreIds.has(store.id)
-                      ? 'border-accent bg-accent'
-                      : 'border-text-tertiary/40'}">
-                    {#if selectedStoreIds.has(store.id)}
+                    {isBroken
+                      ? 'border-red-500/50 bg-red-500/20'
+                      : selectedStoreIds.has(store.id)
+                        ? 'border-accent bg-accent'
+                        : 'border-text-tertiary/40'}">
+                    {#if isBroken}
+                      <svg class="w-2.5 h-2.5 text-red-400" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="3">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
+                      </svg>
+                    {:else if selectedStoreIds.has(store.id)}
                       <svg class="w-2.5 h-2.5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="3">
                         <path stroke-linecap="round" stroke-linejoin="round" d="M4.5 12.75l6 6 9-13.5" />
                       </svg>
                     {/if}
                   </span>
-                  <span class="text-xs transition-colors {selectedStoreIds.has(store.id) ? 'text-text-primary' : 'text-text-tertiary'}">{store.name}</span>
+                  <span class="text-xs transition-colors
+                    {isBroken
+                      ? 'text-red-400/70 line-through'
+                      : selectedStoreIds.has(store.id)
+                        ? 'text-text-primary'
+                        : 'text-text-tertiary'}">{store.name}</span>
+                  {#if isBroken}
+                    <span class="text-2xs text-red-400/50">failing</span>
+                  {:else if store.last_scrape_ok === null}
+                    <span class="text-2xs text-text-tertiary/50">untested</span>
+                  {/if}
                 </button>
               {/each}
             </div>
diff --git a/src/server/db/migrations/004_add_last_scrape_status.sql b/src/server/db/migrations/004_add_last_scrape_status.sql
new file mode 100644
index 0000000..6c23398
--- /dev/null
+++ b/src/server/db/migrations/004_add_last_scrape_status.sql
@@ -0,0 +1,2 @@
+ALTER TABLE stores ADD COLUMN last_scrape_ok INTEGER DEFAULT NULL;
+ALTER TABLE stores ADD COLUMN last_scrape_at TEXT DEFAULT NULL;
diff --git a/src/server/models/store.ts b/src/server/models/store.ts
index e6889e7..2b32637 100644
--- a/src/server/models/store.ts
+++ b/src/server/models/store.ts
@@ -9,6 +9,8 @@ export interface Store {
   enabled: number;
   render_js: number;
   test_query: string;
+  last_scrape_ok: number | null;
+  last_scrape_at: string | null;
   sel_container: string;
   sel_name: string;
   sel_price: string;
@@ -163,6 +165,12 @@ export function updateStore(id: number, input: Partial<CreateStoreInput>): Store
   return getStoreById(id);
 }
 
+export function updateScrapeStatus(id: number, success: boolean): void {
+  const db = getDatabase();
+  db.run("UPDATE stores SET last_scrape_ok = ?, last_scrape_at = datetime('now') WHERE id = ?", [success ? 1 : 0, id]);
+  saveDatabase();
+}
+
 export function toggleStoreEnabled(id: number): Store | undefined {
   const db = getDatabase();
   db.run("UPDATE stores SET enabled = CASE WHEN enabled = 1 THEN 0 ELSE 1 END, updated_at = datetime('now') WHERE id = ?", [id]);
diff --git a/src/server/routes/test.ts b/src/server/routes/test.ts
index e12a3ca..61b1f88 100644
--- a/src/server/routes/test.ts
+++ b/src/server/routes/test.ts
@@ -1,5 +1,5 @@
 import type { FastifyPluginAsync } from 'fastify';
-import { getStoreById } from '../models/store.js';
+import { getStoreById, updateScrapeStatus } from '../models/store.js';
 import { logScrape, getLogsByStore, getStoreHealth } from '../models/scrape-log.js';
 import { scrapeStore } from '../scraper/http-scraper.js';
 import { scrapeStoreWithBrowser } from '../scraper/browser-scraper.js';
@@ -37,6 +37,7 @@ export const testRoutes: FastifyPluginAsync = async (app) => {
       );
 
       logScrape(store.id, request.body.query, true, products.length, duration);
+      updateScrapeStatus(store.id, true);
 
       return {
         success: true,
@@ -55,6 +56,7 @@ export const testRoutes: FastifyPluginAsync = async (app) => {
       const duration = Date.now() - startTime;
       const errorMessage = err instanceof Error ? err.message : String(err);
       logScrape(store.id, request.body.query, false, 0, duration, errorMessage);
+      updateScrapeStatus(store.id, false);
 
       return {
         success: false,
diff --git a/src/server/scraper/engine.ts b/src/server/scraper/engine.ts
index 08a3bfc..08e93b7 100644
--- a/src/server/scraper/engine.ts
+++ b/src/server/scraper/engine.ts
@@ -1,6 +1,6 @@
 import pLimit from 'p-limit';
 import type { Store } from '../models/store.js';
-import { getEnabledStores, getStoresByCategory, getStoresByGroup, getStoresByIds } from '../models/store.js';
+import { getEnabledStores, getStoresByCategory, getStoresByGroup, getStoresByIds, updateScrapeStatus } from '../models/store.js';
 import { logScrape } from '../models/scrape-log.js';
 import { scrapeStore } from './http-scraper.js';
 import { scrapeStoreWithBrowser } from './browser-scraper.js';
@@ -90,11 +90,13 @@ export async function search(options: SearchOptions): Promise<SearchResult> {
         );
 
         logScrape(store.id, query, true, products.length, duration);
+        updateScrapeStatus(store.id, true);
         return products;
       } catch (err) {
         const duration = Date.now() - storeStart;
         const errorMessage = err instanceof Error ? err.message : String(err);
         logScrape(store.id, query, false, 0, duration, errorMessage);
+        updateScrapeStatus(store.id, false);
         errors.push({ storeId: store.id, storeName: store.name, error: errorMessage });
         return [];
       }
@@ -188,6 +190,7 @@ export async function searchStreaming(
       );
 
       logScrape(store.id, query, true, products.length, duration);
+      updateScrapeStatus(store.id, true);
       totalResults += products.length;
 
       onProgress({
@@ -202,6 +205,7 @@ export async function searchStreaming(
       const duration = Date.now() - storeStart;
       const errorMessage = err instanceof Error ? err.message : String(err);
       logScrape(store.id, query, false, 0, duration, errorMessage);
+      updateScrapeStatus(store.id, false);
       errors.push({ storeId: store.id, storeName: store.name, error: errorMessage });
 
       onProgress({