OpenCart Integration

Privacy-first, cookieless analytics for OpenCart stores.

Compatibility

• OpenCart 4.x (primary support)
• OpenCart 3.x (with modifications)
• PHP 7.4+

Installation

OpenCart 4.x

1. Download the extension package from your Sealmetrics dashboard, under Settings → Integrations
2. Go to Extensions > Installer
3. Upload sealmetrics.ocmod.zip
4. Go to Extensions > Extensions > Analytics
5. Install Sealmetrics Analytics
6. Click Edit and configure your Account ID
7. Enable the extension and save

OpenCart 3.x

1. Upload the upload folder contents to your OpenCart root
2. Go to Extensions > Modifications and click Refresh
3. Go to Extensions > Analytics
4. Install Sealmetrics Analytics
5. Configure your Account ID and enable

Configuration

Setting	Description
Account ID	Your Sealmetrics Account ID (required)
Pixel URL	Custom pixel domain (optional)
Track Product Views	Enable view_item tracking
Track Add to Cart	Enable add_to_cart tracking
Track Checkout	Enable begin_checkout tracking
Track Purchases	Enable purchase conversion tracking
Contact Forms as Leads	Track contact form submissions as lead conversions

Tracked Events

Automatic Events

Event	Description
pageview	All page views with content grouping

E-commerce Events

Event	Description
view_item	Product page views
add_to_cart	Add to cart button clicks
begin_checkout	Checkout page views
purchase	Order confirmation (conversion)

Content Groups

Automatic detection based on OpenCart routes:

Route	Group
common/home	home
product/product	product
product/category	catalog
product/manufacturer	brand
product/search	search
checkout/cart	cart
checkout/checkout	checkout
checkout/success	thankyou
account/*	account
information/contact	contact

Product Data

The following product attributes are tracked:

{
  product_id: "123",
  product_name: "Example Product",
  sku: "SKU-123",
  price: "29.99",
  category: "Electronics",
  brand: "Brand Name"
}

Purchase Data

Purchase conversions include full order details:

sealmetrics.conv('purchase', 99.99, {
  currency: 'EUR',
  payment_method: 'PayPal',
  coupon: 'SAVE10',
  items: [
    {
      product_id: "123",
      product_name: "Product",
      sku: "SKU-123",
      price: "49.99",
      quantity: "2",
      category: "Electronics",
      brand: "Brand",
      size: "Large",    // Options tracked as properties
      color: "Blue"
    }
  ]
});

Custom Events

Track custom events via JavaScript:

// Track custom micro-conversion
if (typeof sealmetrics !== 'undefined') {
  sealmetrics.micro('wishlist_add', {
    product_id: '123',
    product_name: 'Example Product'
  });
}

// Track custom conversion
sealmetrics.conv('lead', 0, {
  source: 'newsletter',
  campaign: 'spring_sale'
});

Multi-store Support

For multi-store OpenCart installations:

• Configure Sealmetrics separately for each store
• Use different Account IDs if needed
• Each store tracks independently

Privacy

• No cookies used
• No data that identifies anyone stored; reports are aggregated
• No order IDs stored externally
• Designed for GDPR and ePrivacy (self-assessed, see Compliance)
• No consent banner for Sealmetrics' own analytics (self-assessed; Germany: open question — see Germany)

Troubleshooting

Tracker not loading

1. Verify Account ID is configured
2. Check extension is enabled
3. Clear OpenCart cache (System > Maintenance > Clear)

Purchases not tracking

1. Ensure "Track Purchases" is enabled
2. Check order confirmation page loads correctly
3. Verify no JavaScript errors in console

Add to cart not tracking

1. Check "Track Add to Cart" is enabled
2. Ensure cart uses standard OpenCart methods

Related documentation

• Installation — how the underlying Sealmetrics tracker loads.
• E-commerce Setup Guide — step-by-step setup for the funnel events this extension emits.
• PrestaShop — a sibling self-hosted store integration.
• Magento 2 — another self-hosted store integration.
• Integrations Overview — browse every platform Sealmetrics supports.