diff --git a/src/services/service.ts b/src/services/service.ts
index 9d9a225..fc23c44 100755
--- a/src/services/service.ts
+++ b/src/services/service.ts
@@ -1076,12 +1076,6 @@ export default class Services {
     return await retrieveData(storages, hash);
   }
 
-  public async testDataInStorage(hash: string): Promise<Record<string, boolean | null> | null> {
-    const storages = [STORAGEURL];
-
-    return await testData(storages, hash);
-  }
-
   public async getDiffByValueFromDb(hash: string): Promise<UserDiff | null> {
     const db = await Database.getInstance();
     const diff = await db.getObject('diffs', hash);
diff --git a/src/services/storage.service.ts b/src/services/storage.service.ts
index 4a9babf..15fea2d 100644
--- a/src/services/storage.service.ts
+++ b/src/services/storage.service.ts
@@ -20,6 +20,15 @@ export async function storeData(servers: string[], key: string, value: Blob, ttl
         url = urlObj.toString();
       }
 
+      // Test first that data is not already stored
+      const testResponse = await testData(url, key);
+      if (testResponse) {
+        console.log('Data already stored:', key);
+        continue;
+      } else {
+        console.log('Data not stored for server:', key, server);
+      }
+
       // Send the encrypted ArrayBuffer as the raw request body.
       const response = await axios.post(url, value, {
         headers: {
@@ -94,30 +103,17 @@ interface TestResponse {
     value: boolean;
 }
 
-export async function testData(servers: string[], key: string): Promise<Record<string, boolean | null> | null> {
-    const res: Record<string, boolean | null> = {};
-    for (const server of servers) {
-        res[server] = null;
-        try {
-            // Handle relative paths (for development proxy) vs absolute URLs (for production)
-            const url = server.startsWith('/') 
-                ? `${server}/test/${key}`  // Relative path - use as-is for proxy
-                : new URL(`${server}/test/${key}`).toString();  // Absolute URL - construct properly
-            
-            const response = await axios.get(url);
-            if (response.status !== 200) {
-                console.error(`${server}: Test response status: ${response.status}`);
-                continue;
-            }
-            
-            const data: TestResponse = response.data;
-            
-            res[server] = data.value;
-        } catch (error) {
-            console.error('Error retrieving data:', error);
-            return null;
-        }
-    }
-    
-    return res;
+export async function testData(url: string, key: string): Promise<boolean | null> {
+  try {
+      const response = await axios.get(url);
+      if (response.status !== 200) {
+        console.error(`Test response status: ${response.status}`);
+        return false;
+      }
+
+      return true; 
+  } catch (error) {
+      console.error('Error testing data:', error);
+      return null;
+  }
 }