How to add structured data for Google Merchant Center to OpenCart 3, click here for OpenCart 1.5x and 2.x
Login to your admin panel of OpenCart and navigate to Design > Theme Editor
From your Choose a template, go to product > product.twig
You will now see an editor, paste the code below under {{ header }}, before you do make sure to follow the short edit instructions.
Make sure you change the values highlighted in capitals.
Choose the code where the price decimal matches yours. (US or UK = DOT, Continental Europe = Comma)
<script type="application/ld+json"> { "@context": "http://schema.org/", "@type": "Product", "offers": { "@type": "Offer", "name": "{{ heading_title }}", "priceCurrency": "REPLACE_WITH_CURRENCY_CODE", {% if price %}"price": "{{ price|trim('REPLACE_WITH_CURRENCY_SYMBOL') }}", {% else %}"price": "{{ special|trim('REPLACE_WITH_CURRENCY_SYMBOL')}}",{% endif %} "itemCondition" : "http://schema.org/NewCondition", "availability" : "{{ stock }}" } } </script>
You should see the code below when you have changed the currency code and symbol.
<script type="application/ld+json"> { "@context": "http://schema.org/", "@type": "Product", "offers": { "@type": "Offer", "name": "{{ heading_title }}", "priceCurrency": "EUR", {% if price %}"price": "{{ price|trim('
<script type="application/ld+json"> { "@context": "http://schema.org/", "@type": "Product", "offers": { "@type": "Offer", "name": "{{ heading_title }}", "priceCurrency": "REPLACE_WITH_CURRENCY_CODE", {% if price %}"price": "{{ price|replace({'REPLACE_WITH_CURRENCY_SYMBOL': '', ',' : '.'}) }}", {% else %}"price": "{{ special|replace({'REPLACE_WITH_CURRENCY_SYMBOL': '', ',' : '.'}) }}",{% endif %} "itemCondition" : "http://schema.org/NewCondition", "availability" : "{{ stock }}" } } </script>
You should see the code below when you have changed the currency code and symbol.
<script type="application/ld+json"> { "@context": "http://schema.org/", "@type": "Product", "offers": { "@type": "Offer", "name": "{{ heading_title }}", "priceCurrency": "EUR", {% if price %}"price": "{{ price|replace({'€': '', ',' : '.'}) }}", {% else %}"price": "{{ special|replace({'€': '', ',' : '.'}) }}",{% endif %} "itemCondition" : "http://schema.org/NewCondition", "availability" : "{{ stock }}" } } </script>
Make sure you change the values highlighted in capitals.
Choose the code where the price decimal matches yours. (US = DOT, Continental Europe = Comma)
<div itemscope itemtype="http://schema.org/Product"> <meta itemprop="name" content="{{ heading_title }}" /> <div itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="priceCurrency" content="REPLACE_WITH_CURRENCY_CODE"> {% if price %} <meta itemprop="price" content="{{ price|trim('REPLACE_WITH_CURRENCY_SYMBOL') }}"> {% else %} <meta itemprop="price" content="{{ special|trim('REPLACE_WITH_CURRENCY_SYMBOL') }}"> {% endif %} <meta itemprop="availability" content="{{ stock }}"> <meta itemprop="itemCondition" itemtype="http://schema.org/OfferItemCondition" content="http://schema.org/NewCondition" /> </div> </div>
If your in the US, your code should look like the example below.
<div itemscope itemtype="http://schema.org/Product"> <meta itemprop="name" content="{{ heading_title }}" /> <div itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="priceCurrency" content="USD"> {% if price %} <meta itemprop="price" content="{{ price|trim('
<div itemscope itemtype="http://schema.org/Product"> <meta itemprop="name" content="{{ heading_title }}" /> <div itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="priceCurrency" content="REPLACE_WITH_CURRENCY_CODE"> {% if price %} <meta itemprop="price" content="{{ price|replace({'REPLACE_WITH_CURRENCY_SYMBOL': '', ',' : '.'}) }}"> {% else %} <meta itemprop="price" content="{{ special|replace({'REPLACE_WITH_CURRENCY_SYMBOL': '', ',' : '.'}) }}"> {% endif %} <meta itemprop="availability" content="{{ stock }}"> <meta itemprop="itemCondition" itemtype="http://schema.org/OfferItemCondition" content="http://schema.org/NewCondition" /> </div> </div>
If your in Europe, your code should look like the example below.
<div itemscope itemtype="http://schema.org/Product"> <meta itemprop="name" content="{{ heading_title }}" /> <div itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="priceCurrency" content="REPLACE_WITH_CURRENCY_CODE"> {% if price %} <meta itemprop="price" content="{{ price|replace({'€': '', ',' : '.'}) }}"> {% else %} <meta itemprop="price" content="{{ special|replace({'€': '', ',' : '.'}) }}"> {% endif %} <meta itemprop="availability" content="{{ stock }}"> <meta itemprop="itemCondition" itemtype="http://schema.org/OfferItemCondition" content="http://schema.org/NewCondition" /> </div> </div>
You should see something like the image below
Now save and check the landing page for any errors.
Verify that you have done it correctly by checking the page with Google’s Structured Data Testing Tool
Please note the data testing tool, only checks for syntax errors, not for policy checks. However, if you add the code as is, then you are withing Google Shopping policy requirements.