Shopify
1. Make sure you have access to Shopify Theme
2. In case you don't want to affect the live site, create a theme duplication
3. Choose 'Edit Code' and open theme files
4. either place the added script within <head> section or include a link to a theme.liquid file using these lines in the code:
{% include 'isp-js' %}
{% include 'isp-js' %}
{% include 'isp-css' %}
* Create those snippet files and place the scripts there
* Create those snippet files and place the scripts there
BigCommerce
1. Make sure you have access to BigCommerce Storefront
2. In case you don't want to affect the live site, create a theme duplication
3. Choose 'Advance->Edit Theme Files' and open theme files
4. Locate the file base.html located under 'Templates->layout'
5. Place the added script within the <head> section
WooCommerce
1. Make sure you have access to WooCommerce Store
2. In case you don't want to affect the live site, create a theme duplication
3. Choose 'Settings->Insert Header and Footer'
4. Place the added script within the header section