You have multiple options to integration e-satisfaction.com Questionnaires into your e-shop, regarding the technology you use.
Prestashop plugin installation Guidelines here - available for versions 1.6.* and 1.7.*
Magento plugin installation Guidelines here - available for versions 1.8.*, 1.9.*, 2.2.*
Google Tag Manager
Are you experienced in using Google Tag Manager?
Super! There's no need to evolve your site's developer in this process. We recommend to complete it by yourself.
You will find a detailed guide on how to integrate e-satisfaction questionnaires through GTM here.
Manual Script Integration
If you do not belong to neither of the above groups, still the Integration Process is fast and easy for you.
There is a 2-Step Script Integration Process to display Browse and Checkout questionnaires to your e-shop.