Migration Analytics Loss: 11.2% of Sites Drop Their Google Tag

    11.2% of 4,057 top 1M sites that loaded Google Analytics or Google Tag Manager the month before a platform switch no longer loaded it the month after.

    Lost the Google tag after a platform switch, by previous platform
    Joomla27.3%
    Shopify15.5%
    PrestaShop14.2%
    WooCommerce13.7%
    Drupal12.4%
    WordPress11.5%
    Webflow10.2%
    Gatsby8.9%
    Nuxt8.7%
    Magento8.3%
    Salesforce Commerce Cloud7.4%
    Next.js6.6%
    BigCommerce6.4%

    Source: PageSpeed Matters. HTTP Archive top 1M crawls, Sept 2024 to Sept 2026, homepage tags.

    Server-side tagging also shows up as a loss in this homepage data.

    Source: Migration Analytics Loss: 11.2% of Sites Drop Their Google Tag - PageSpeed Matters