Naiz Fit SizeForm guide for online shops

Naiz Fit SizeForm is the size recommendation solution for online fashion shops, developed by Naiz Bespoke Technologies.

This website provides technical documentation for the installation and maintenance of the solution on the websites of SizeForm clients. Follow the guide to instal the solution and start to enjoy the benefits of the system.

Quick Start

  • Introduction to SizeForm with a summary of the Naiz Fit SizeForm experience and components. Though not necessary for the installation of Naiz Fit SizeForm, we recommend you read this section to familiarise yourself with the Naiz Fit SizeForm concepts and experience.
  • Widget installation via specific plugins or directly embedded using tags. If you prefer, you can go directly to the installation guides for the various systems using the following links.
System Method Versions supported
Magento Plugin Version 2.x
Prestashop Plugin Versions 1.6 and 1.7
Woocommerce HTML snippet or Google Tag Manager All
Shopify HTML snippet or Google Tag Manager All
Other systems HTML snippet or Google Tag Manager All

Advanced Features

  • Accuracy Levels with which Naiz Fit SizeForm makes product recommendations.

Getting Support

All Naiz Fit SizeForm clients can access priority support from our experts by emailing