This section will guide you through the process of integrating Gleef into your website and starting your first A/B testing experiment on wording.Documentation Index
Fetch the complete documentation index at: https://docs.gleef.eu/llms.txt
Use this file to discover all available pages before exploring further.
Open the function.php file from the WordPress dashboard
In your WordPress dashboard, select the Appearance menu, then Theme Editor.
You might need to select your theme in the upper right dropdown.Then, select the file 
Theme Functions (functions.php) in the right panel.You should see some code in the main window.
Copy/paste the integration code
Copy/paste this code within the window in the center.
The following code will allow your website to display and track Gleef experiments.Once you’re done, click on the Update File button.