Implement middleware into newer lambdas

api/get-carbon.js

@@ -34,6 +34,13 @@ const handler = async (url) => {
       }).on('error', reject);
     });
 
+    if (!carbonData.statistics || (carbonData.statistics.adjustedBytes === 0 && carbonData.statistics.energy === 0)) {
+      return {
+        statusCode: 200,
+        body: JSON.stringify({ skipped: 'Not enough info to get carbon data' }),
+      };
+    }
+
     carbonData.scanUrl = url;
     return carbonData;
   } catch (error) {