---
title: "Migration Schema Loss 2026: 24.7% Drop Structured Data - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/migration-schema-loss
description: "Of 3,119 top 1M homepages with structured data the month before a platform switch, 24.7% had none the month after."
lang: en
---

Migration Schema Loss 2026: 24.7% Drop Structured Data (https://www.pagespeedmatters.com/resources/data-studies/migration-schema-loss)

Of 3,119 top 1M homepages with structured data the month before a platform switch, 24.7% had none the month after.

Share of homepages that lost each structured data type after a switch

Product 81.3%

WebPage 73.8%

BreadcrumbList 72.5%

ImageObject 67.2%

FAQPage 50.4%

SearchAction 45.7%

WebSite 37.6%

Organization 32.1%

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

Each bar is the share of homepages that had that type before the switch.

Source: Migration Schema Loss 2026: 24.7% Drop Structured Data - PageSpeed Matters (https://www.pagespeedmatters.com/resources/data-studies/migration-schema-loss)