diff --git a/check.py b/check.py
index ca78184..9cf0ce1 100755
--- a/check.py
+++ b/check.py
@@ -79,6 +79,15 @@ not_here_list = [
     "The page you requested could not be found",
     "Ooops! Could Not Find It",
     "OpenStreetMap Authentication Proxy",
+    "Error 404",
+    "Under Construction",
+    "Page not found",
+    "Error 404: Page not found",
+    "Barcamptools",
+    "That page can’t be found.",
+    "looks like there's no page here",
+    "404 page",
+    "Database Error",
 ]