---
title: "Migration Analytics Loss: 11.2% of Sites Drop Their Google Tag - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/migration-analytics-loss
description: "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."
lang: en
---

Migration Analytics Loss: 11.2% of Sites Drop Their Google Tag (https://www.pagespeedmatters.com/resources/data-studies/migration-analytics-loss)

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

Joomla 27.3%

Shopify 15.5%

PrestaShop 14.2%

WooCommerce 13.7%

Drupal 12.4%

WordPress 11.5%

Webflow 10.2%

Gatsby 8.9%

Nuxt 8.7%

Magento 8.3%

Salesforce Commerce Cloud 7.4%

Next.js 6.6%

BigCommerce 6.4%

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 (https://www.pagespeedmatters.com/resources/data-studies/migration-analytics-loss)