diff --git a/.gitignore b/.gitignore
index 0d663b8..24cde00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -108,30 +108,12 @@ venv.bak/
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
 # User-specific stuff:
-.idea/**/workspace.xml
-.idea/**/tasks.xml
-.idea/dictionaries
-
-# Sensitive or high-churn files:
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.xml
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-
-# Gradle:
-.idea/**/gradle.xml
-.idea/**/libraries
+.idea
 
 # CMake
 cmake-build-debug/
 cmake-build-release/
 
-# Mongo Explorer plugin:
-.idea/**/mongoSettings.xml
-
 ## File-based project format:
 *.iws
 
@@ -146,9 +128,6 @@ out/
 # JIRA plugin
 atlassian-ide-plugin.xml
 
-# Cursive Clojure plugin
-.idea/replstate.xml
-
 # Crashlytics plugin (for Android Studio and IntelliJ)
 com_crashlytics_export_strings.xml
 crashlytics.properties
diff --git a/README.md b/README.md
index bbcd913..16069ba 100644
--- a/README.md
+++ b/README.md
@@ -29,14 +29,14 @@ Installeer onder Linux de PC/SC Smart Card daemon ( [PCSClite](https://pcsclite.
 ### Websocket
 Vanuit een browser connect je met de WebSocket.
 
-    socket = new WebSocket('ws://localhost:3000', 'nfc');
+    socket = new WebSocket('ws://localhost:3000');
     socket.onmessage = function (event) {
         var rfid = JSON.parse(event.data);
         console.log("Tag scanned!");
         console.log(rfid);
     };
 
-Als er een kaart wordt gescand ontvang je in het 'nfc_read' event een JSON-object met kaartinfo over de socket.
+Als er een kaart wordt gescand ontvang je over de websocket een JSON-object (in het veld `event.data` hierboven) met kaartinfo over de socket.
 
     {"type": "iso-x", "atqa":"12:34", "uid":"ab:cd:ef:gh", "sak":"56"}
 
diff --git a/juliana.py b/juliana.py
index f3accd6..0dc8dc0 100644
--- a/juliana.py
+++ b/juliana.py
@@ -14,17 +14,16 @@
 from subprocess import Popen
 
 import smartcard.System
-from smartcard.CardConnection import CardConnection
-from smartcard.CardConnectionObserver import CardConnectionObserver
 from smartcard.CardMonitoring import CardMonitor, CardObserver
 from smartcard.ReaderMonitoring import ReaderMonitor, ReaderObserver
 from smartcard.Exceptions import CardConnectionException
 
-from flask import Flask, render_template, request
+from flask import Flask, request
+from flask_cors import CORS
 from flask_sock import Sock
 
 
-APP_VERSION = "3.0"
+APP_VERSION = "3.1"
 APP_NAME = "JulianaNFC"
 APP_AUTHOR = "Kevin Alberts, I.C.T.S.V. Inter-/Actief/"
 APP_SUPPORT = "www@inter-actief.net"
@@ -264,6 +263,7 @@ def update(self, observable, actions):
 app.debug = False
 app.config['SECRET_KEY'] = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(20))
 sock = Sock(app)
+cors = CORS(app, supports_credentials=True)
 
 
 socket_clients = []
diff --git a/requirements.txt b/requirements.txt
index e4311f1..cecfa35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 pyscard>=2.0,<2.1
 flask
 flask-sock>=0.5,<1.0
+flask-cors>=3.0.10,<3.1
 wxPython>=4.1.1
 plyer>=2.0.0,<2.1