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Dynamic Content Grouping

Content grouping lets you categorize pages into logical groups for easier analysis. This page covers how to set the group dynamically with JavaScript, which is useful for SPAs and sites where the group depends on page content rather than URL structure.

Two Approaches​

Set the group directly in the tracker script URL:

<script src="https://t.sealmetrics.com/t.js?id=YOUR_ACCOUNT_ID&group=blog" defer></script>

Best for: Static sites, CMS templates, server-rendered pages

See full Content Grouping guide →

2. JavaScript API (This Page)​

Set the group dynamically when tracking a pageview:

sealmetrics({ group: 'products' });

Best for: SPAs, dynamic content, logic that depends on page state

Important

When using the JavaScript API, the tracker script must have finished loading before you call sealmetrics(). Use the group URL parameter instead if you want to avoid timing issues with defer.

Dynamic Content Grouping​

Basic Implementation​

Determine the group based on the current URL path:

function getContentGroup() {
  const path = window.location.pathname;

  if (path.startsWith('/products/')) return 'products';
  if (path.startsWith('/blog/')) return 'blog';
  if (path.startsWith('/help/')) return 'support';
  if (path === '/') return 'homepage';
  return 'other';
}

sealmetrics({ group: getContentGroup() });

From Data Layer​

Read from an existing data layer (e.g., Google Tag Manager):

// If your site sets:
// dataLayer.push({ pageType: 'product', category: 'Electronics' });

const pageType = dataLayer.find(d => d.pageType)?.pageType || 'other';
sealmetrics({ group: pageType });

From Page Elements​

Read from HTML data attributes:

const group = document.body.dataset.pageType || 'other';
sealmetrics({ group: group });

Platform-Specific Examples​

WordPress​

Use PHP to set the group server-side (recommended approach):

<?php
function get_content_group() {
    if (is_front_page()) return 'homepage';
    if (is_singular('post')) return 'blog';
    if (is_singular('product')) return 'product';
    if (is_category()) return 'category';
    if (is_search()) return 'search';
    if (is_cart()) return 'cart';
    if (is_checkout()) return 'checkout';
    return 'other';
}
?>

<script src="https://t.sealmetrics.com/t.js?id=YOUR_ACCOUNT_ID&group=<?= get_content_group() ?>" defer></script>

Shopify​

Use Liquid template logic:

{% assign group = 'other' %}
{% if template == 'index' %}{% assign group = 'homepage' %}
{% elsif template contains 'product' %}{% assign group = 'product' %}
{% elsif template contains 'collection' %}{% assign group = 'collection' %}
{% elsif template == 'cart' %}{% assign group = 'cart' %}
{% elsif template contains 'page' %}{% assign group = 'page' %}
{% endif %}

<script src="https://t.sealmetrics.com/t.js?id=YOUR_ACCOUNT_ID&group={{ group }}" defer></script>

React / Next.js (SPA)​

For SPAs, use the JavaScript API to set the group on each route change:

import { usePathname } from 'next/navigation';
import { useEffect } from 'react';

function getContentGroup(pathname) {
  if (pathname === '/') return 'homepage';
  if (pathname.startsWith('/products')) return 'products';
  if (pathname.startsWith('/blog')) return 'blog';
  if (pathname.startsWith('/docs')) return 'docs';
  return 'other';
}

export default function ContentGroupTracker() {
  const pathname = usePathname();

  useEffect(() => {
    if (typeof sealmetrics !== 'undefined') {
      sealmetrics({ group: getContentGroup(pathname) });
    }
  }, [pathname]);

  return null;
}
info

In SPAs, the tracker auto-detects route changes and sends pageviews automatically. Using sealmetrics({ group }) sends an additional pageview with the group. If you only want to set the group without duplicating the pageview, use the URL parameter method instead.

Common Group Structures​

E-commerce​

const contentGroups = {
  '/': 'homepage',
  '/products': 'product-listing',
  '/products/[id]': 'product-detail',
  '/cart': 'cart',
  '/checkout': 'checkout',
  '/order-confirmation': 'confirmation',
  '/account': 'account',
  '/blog': 'blog'
};

SaaS Marketing Site​

const contentGroups = {
  '/': 'homepage',
  '/features': 'features',
  '/pricing': 'pricing',
  '/customers': 'social-proof',
  '/blog': 'blog',
  '/docs': 'docs',
  '/login': 'login',
  '/signup': 'signup'
};

Media / Publishing​

const contentGroups = {
  '/': 'homepage',
  '/[year]/[month]/[slug]': 'article',
  '/category/[name]': 'category',
  '/author/[name]': 'author',
  '/search': 'search',
  '/subscribe': 'subscription',
  '/video': 'video'
};

Best Practices​

Keep Groups Manageable​

// Good: 5-10 main groups
'products', 'blog', 'support', 'account', 'other'

// Bad: Too granular
'product-electronics-headphones-sony-wh1000xm5'

Use Consistent Naming​

// Good: lowercase, consistent format
'products', 'blog-posts', 'support'

// Bad: inconsistent casing and format
'Products', 'blog', 'SUPPORT'

Handle Edge Cases​

function getContentGroup() {
  const path = window.location.pathname;

  if (path === '/') return 'homepage';
  if (path.startsWith('/products/')) return 'products';

  // Handle 404s
  if (document.title.includes('404')) return 'error';

  // Catch-all
  return 'other';
}

Troubleshooting​

Content Group Not Appearing​

  1. Open DevTools → Network and look for the request to t.sealmetrics.com/event
  2. Confirm the payload includes a g field with your group value
  3. Verify sealmetrics is defined before calling it
  4. Confirm the hit arrived: the Last hit timestamp on the Overview report should move to "seconds ago" after your test visit

Wrong Group Assigned​

  1. Check your logic handles all URL patterns
  2. Verify data layer or DOM values are available when the script runs
  3. Check execution timing (script must be loaded first)

URL Parameter vs JavaScript​

If you set both, the JavaScript call takes priority. Be consistent to avoid confusion - pick one method per page.

Written and maintained by the Sealmetrics Team