diff --git a/removed_sites.json b/removed_sites.json
index b4ec1e0e..3d9630f0 100644
--- a/removed_sites.json
+++ b/removed_sites.json
@@ -690,14 +690,6 @@
     "urlMain": "https://mastodon.xyz/",
     "username_claimed": "ashfurrow"
   },
-  "Arduino": {
-    "errorMsg":"<title>Arduino Cloud</title>",
-    "errorType": "message",
-    "regexCheck": "^(?![_-])[A-Za-z0-9_-]{3,}$",
-    "url": "https://projecthub.arduino.cc/{}",
-    "urlMain": "https://www.arduino.cc/",
-    "username_claimed": "blue"
-  },
   "zoomit": {
     "errorMsg": "\u0645\u062a\u0627\u0633\u0641\u0627\u0646\u0647 \u0635\u0641\u062d\u0647 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f",
     "errorType": "message",
@@ -721,5 +713,20 @@
     "urlMain": "https://binarysearch.io/",
     "urlProbe": "https://binarysearch.io/api/users/{}/profile",
     "username_claimed": "Eyes_Wide_Shut"
+  },
+  "Arduino": {
+    "errorType": "status_code",
+    "regexCheck": "^(?![_-])[A-Za-z0-9_-]{3,}$",
+    "url": "https://create.arduino.cc/projecthub/{}",
+    "urlMain": "https://www.arduino.cc/",
+    "username_claimed": "blue"
+  },
+  "koo": {
+    "errorMsg": "This profile does not exist",
+    "errorType": "message",
+    "url": "https://www.kooapp.com/profile/{}",
+    "urlMain": "https://www.kooapp.com",
+    "urlProbe": "https://www.kooapp.com/apiV1/users/handle/{}/valid",
+    "username_claimed": "john"
   }
 }
diff --git a/removed_sites.md b/removed_sites.md
index 79086c29..8969bf96 100644
--- a/removed_sites.md
+++ b/removed_sites.md
@@ -1622,4 +1622,27 @@ As of 08.02.2023, BinarySearch seems to not be responding at all
     "urlProbe": "https://binarysearch.io/api/users/{}/profile",
     "username_claimed": "Eyes_Wide_Shut"
   },
+```
+## Arduino
+As of 15.02.2023, Arduino returns false positives due to some unstable redirects
+```json
+  "Arduino": {
+    "errorType": "status_code",
+    "regexCheck": "^(?![_-])[A-Za-z0-9_-]{3,}$",
+    "url": "https://create.arduino.cc/projecthub/{}",
+    "urlMain": "https://www.arduino.cc/",
+    "username_claimed": "blue"
+  },
+```
+## Koo
+As of 15.02.2023, Koo returns false positives
+```json
+  "koo": {
+    "errorMsg": "This profile does not exist",
+    "errorType": "message",
+    "url": "https://www.kooapp.com/profile/{}",
+    "urlMain": "https://www.kooapp.com",
+    "urlProbe": "https://www.kooapp.com/apiV1/users/handle/{}/valid",
+    "username_claimed": "john"
+  }
 ```
\ No newline at end of file
diff --git a/sherlock/resources/data.json b/sherlock/resources/data.json
index ba7fe395..3c2c5676 100644
--- a/sherlock/resources/data.json
+++ b/sherlock/resources/data.json
@@ -104,13 +104,6 @@
     "urlMain": "https://archive.org",
     "username_claimed": "blue"
   },
-  "Arduino": {
-    "errorType": "status_code",
-    "regexCheck": "^(?![_-])[A-Za-z0-9_-]{3,}$",
-    "url": "https://create.arduino.cc/projecthub/{}",
-    "urlMain": "https://www.arduino.cc/",
-    "username_claimed": "blue"
-  },
   "ArtStation": {
     "errorType": "status_code",
     "url": "https://www.artstation.com/{}",
@@ -568,14 +561,6 @@
     "urlMain": "https://f3.cool/",
     "username_claimed": "blue"
   },
-  "Facebook": {
-    "errorType": "status_code",
-    "regexCheck": "^[a-zA-Z0-9\\.]{3,49}(?<!\\.com|\\.org|\\.net)$",
-    "url": "https://www.facebook.com/{}",
-    "urlMain": "https://www.facebook.com/",
-    "urlProbe": "https://www.facebook.com/{}/videos/",
-    "username_claimed": "hackerman"
-  },
   "Fameswap": {
     "errorType": "status_code",
     "url": "https://fameswap.com/user/{}",
@@ -2238,14 +2223,6 @@
     "urlMain": "https://ko-fi.com",
     "username_claimed": "yeahkenny"
   },
-  "koo": {
-    "errorMsg": "This profile does not exist",
-    "errorType": "message",
-    "url": "https://www.kooapp.com/profile/{}",
-    "urlMain": "https://www.kooapp.com",
-    "urlProbe": "https://www.kooapp.com/apiV1/users/handle/{}/valid",
-    "username_claimed": "john"
-  },
   "kwork": {
     "errorType": "status_code",
     "url": "https://kwork.ru/user/{}",
@@ -2481,13 +2458,6 @@
     "urlMain": "https://znanylekarz.pl",
     "username_claimed": "janusz-nowak"
   },
-  "zoomit": {
-    "errorMsg": "\u0645\u062a\u0627\u0633\u0641\u0627\u0646\u0647 \u0635\u0641\u062d\u0647 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f",
-    "errorType": "message",
-    "url": "https://www.zoomit.ir/user/{}",
-    "urlMain": "https://www.zoomit.ir",
-    "username_claimed": "kossher"
-  },
   "Youtube Channel": {
     "errorType": "status_code",
     "errorCode": 404,