diff --git a/scripts/content.js b/scripts/content.js
index 77e3a38..3a54407 100644
--- a/scripts/content.js
+++ b/scripts/content.js
@@ -51,6 +51,37 @@ function getFutureDate(minutes, maxRandomSeconds = 0) {
     return futureDate.toISOString();
 }
 
+function hiddenPassword(config) {
+    return {
+        ...config,
+        password: config.password.replace(/./g, "*"),
+    };
+
+}
+
+function diffObjects(obj1, obj2) {
+    let diff = {};
+
+    for (let key in obj1) {
+        if (typeof obj1[key] === 'object' && obj1[key] !== null && obj2[key]) {
+            let nestedDiff = diffObjects(obj1[key], obj2[key]);
+            if (Object.keys(nestedDiff).length > 0) {
+                diff[key] = nestedDiff;
+            }
+        } else if (obj2[key] && obj1[key] !== obj2[key]) {
+            diff[key] = [obj1[key], obj2[key]];
+        }
+    }
+
+    for (let key in obj2) {
+        if (obj1[key] === undefined && obj2[key] !== undefined) {
+            diff[key] = [undefined, obj2[key]];
+        }
+    }
+
+    return diff;
+}
+
 function isSignInPage() {
     return Boolean(window.location.pathname.match(/^\/\w{2}-\w{2}\/n?iv\/users\/sign_in/));
 }
@@ -189,7 +220,7 @@ async function runner() {
     config.deltaNow = result['__deltaNow'] || 1;
 
     if (prev_config.activate === null) {
-        console.log('Reading config: ' + JSON.stringify(config));
+        console.log('Reading config: ' + JSON.stringify(hiddenPassword(config)));
         isRunning = false;
         return;
     }
@@ -197,7 +228,15 @@ async function runner() {
     for (let key in config) {
         if (config.hasOwnProperty(key)
                 && !_.isEqual(config[key], prev_config[key])) {
-            console.log(`Config change: ${key}, ${JSON.stringify(prev_config[key])} => ${JSON.stringify(config[key])}`);
+            msg = `Config change: ${key}`
+            if (key === 'password') {
+                msg += ', ******** => ********';
+            } else if (key === 'consulates') {
+                msg += `, ${JSON.stringify(diffObjects(config[key], prev_config[key]))}`;
+            } else {
+                msg += `, ${prev_config[key]} => ${config[key]}`;
+            }   
+            console.log(msg);
 
             // reduce wait times for consulates if frequency is increased
             if (key === 'frequency') {
@@ -210,6 +249,7 @@ async function runner() {
                         console.log(`Reducing wait time for ${consulate} from ${config.consulates[consulate].nextCheckAt} to ${newNextCheckAt}`);
                     }
                 }
+                // TODO maybe causes additional requests
                 if (wasChanged) {
                     await chrome.storage.local.set({ "__consulates": config.consulates });
                 }
@@ -421,7 +461,11 @@ async function runner() {
                 continue;
             }
 
-            console.log(`Available dates for ${consulate}: ${availDates}`);
+            msg = `Available dates for ${consulate}: ${availDates.slice(0, 5)}`;
+            if (availDates.length > 5) {
+                msg += ` and ${availDates.length - 10} more`;
+            }
+            console.log(msg);
             config.consulates[consulate].currentDate = availDates[0];
             if (!config.consulates[consulate].bestDate
                     || availDates[0] < config.consulates[consulate].bestDate) {