diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8234885..d933b6c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,8 +20,11 @@ It is not required that a contributer run the
 [site_list.py](https://github.com/sherlock-project/sherlock/blob/master/site_list.py)
 script.
 
-If there are performance problems with a site (e.g. slow to repond, unrealiable uptime, ...), then
-the site may be removed from the list.
+If there are performance problems with a site (e.g. slow to respond, unreliable uptime, ...), then
+the site may be removed from the list.  The 
+[removed_sites.md](https://github.com/sherlock-project/sherlock/blob/master/removed_sites.md)
+file contains sites that were included at one time in Sherlock, but had to be removed for
+one reason or another.
 
 In regards to adult sites (e.g. PornHub), we have agreed to not include them in Sherlock.  
 However, we do understand that some users desires this support.  The data.json file is easy to add to, 
diff --git a/data_bad_site.json b/data_bad_site.json
new file mode 100644
index 0000000..df73a39
--- /dev/null
+++ b/data_bad_site.json
@@ -0,0 +1,101 @@
+{
+  "AngelList": {
+    "errorType": "status_code",
+    "rank": 5767,
+    "url": "https://angel.co/{}",
+    "urlMain": "https://angel.co/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "BlackPlanet": {
+    "errorMsg": "My Hits",
+    "errorType": "message",
+    "rank": 110021,
+    "url": "http://blackplanet.com/{}",
+    "urlMain": "http://blackplanet.com/"
+  },
+  "Codepen": {
+    "errorType": "status_code",
+    "rank": 1359,
+    "url": "https://codepen.io/{}",
+    "urlMain": "https://codepen.io/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "Duolingo": {
+    "errorType": "response_url",
+    "errorUrl": "https://www.duolingo.com/errors/404.html",
+    "rank": 538,
+    "regexCheck": "^[a-zA-Z0-9_-]{3,16}$",
+    "url": "https://www.duolingo.com/{}",
+    "urlMain": "https://www.duolingo.com/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewoulduse"
+  },
+  "EVE Online": {
+    "errorType": "response_url",
+    "errorUrl": "https://eveonline.com",
+    "rank": 15347,
+    "url": "https://evewho.com/pilot/{}/",
+    "urlMain": "https://eveonline.com",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "Fotolog": {
+    "errorType": "status_code",
+    "rank": 47777,
+    "url": "https://fotolog.com/{}",
+    "urlMain": "https://fotolog.com/"
+  },
+  "Furaffinity": {
+    "errorMsg": "Fatal system error",
+    "errorType": "message",
+    "rank": 4278,
+    "url": "https://www.furaffinity.net/user/{}",
+    "urlMain": "https://www.furaffinity.net",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "Imgur": {
+    "errorType": "status_code",
+    "rank": 74,
+    "url": "https://imgur.com/user/{}",
+    "urlMain": "https://imgur.com/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "linkedin.com": {
+    "errorMsg": "This profile is not available",
+    "errorType": "message",
+    "rank": 0,
+    "url": "https://www.linkedin.com/in/{}",
+    "urlMain": "https://www.linkedin.com/",
+    "username_claimed": "alex",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "PayPal": {
+    "errorType": "response_url",
+    "errorUrl": "https://www.paypal.com/paypalme2/404",
+    "rank": 18441,
+    "url": "https://www.paypal.com/paypalme2/{}",
+    "urlMain": "https://www.paypal.me/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noneownsthisusername"
+  },
+  "PowerShell Gallery": {
+    "errorType": "status_code",
+    "rank": 163562,
+    "url": "https://www.powershellgallery.com/profiles/{}",
+    "urlMain": "https://www.powershellgallery.com",
+    "username_claimed": "powershellteam",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "StreamMe": {
+    "errorType": "status_code",
+    "rank": 31702,
+    "url": "https://www.stream.me/{}",
+    "urlMain": "https://www.stream.me/",
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
+  }
+}