diff --git a/app.py b/app.py
index d2e3425..eff0778 100644
--- a/app.py
+++ b/app.py
@@ -1,6 +1,7 @@
 import os
+import time
 import logging
-from flask import Flask, render_template, request, session, send_from_directory
+from flask import Flask, render_template, request, session, send_from_directory, g
 from flask_bootstrap import Bootstrap
 
 app = Flask(__name__)
@@ -32,6 +33,12 @@ item6 = 0
 
 app.logger.info('Starting erdbeerhannah v' + version)
 
+# https://code-maven.com/flask-display-elapsed-time
+@app.before_request
+def before_request():
+    g.request_start_time = time.time()
+    g.request_time = lambda: "%.5fs" % (time.time() - g.request_start_time)
+
 # prevent cached responses
 # https://stackoverflow.com/questions/47376744/how-to-prevent-cached-response-flask-server-using-chrome
 @app.after_request
diff --git a/templates/index.html b/templates/index.html
index 197ead4..946c8ee 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -111,7 +111,7 @@
                     </tr>
                     <tr>
                         <td colspan="3">Made with ♥️, marmalade and zero knowledge in <a href="https://kiel-sailing-city.de/" target="_blank">Kiel Strawberry City.</a><br>
-                            Version: {{ version }}, <a href="https://gitea.elpatron.me/elpatron/erdbeerhannah/src/branch/main/README.md" target="_blank">Infos</a></td>
+                            Version: {{ version }} ({{ g.request_time() }}), <a href="https://gitea.elpatron.me/elpatron/erdbeerhannah/src/branch/main/README.md" target="_blank">Infos</a></td>
                     </tr>
                 </tbody>    
             </form>