---
title: "Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/website-death-rate
description: "22.1% of the sites in Chrome's top 1M in September 2024 have dropped out of Chrome UX data, and with 48.2% of a sample of those unreachable, up to 10.6% of 2024's top 1M no longer load at all."
lang: en
---

Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data (https://www.pagespeedmatters.com/resources/data-studies/website-death-rate)

22.1% of the sites in Chrome's top 1M in September 2024 have dropped out of Chrome UX data, and with 48.2% of a sample of those unreachable, up to 10.6% of 2024's top 1M no longer load at all.

Share of Sept 2024 top-1M sites no longer in Chrome UX data (Jul to Sept 2026), by 2024 rank

Top 1K 7.1%

1K to 5K 11.9%

5K to 10K 15.2%

10K to 50K 18.5%

50K to 100K 20.6%

100K to 500K 22.3%

500K to 1M 22.5%

Source: PageSpeed Matters, Oct 2026. Chrome UX Report, Sept 2024 vs Jul to Sept 2026.

Dropping out of Chrome UX data can also mean traffic fell below its threshold.

Source: Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data - PageSpeed Matters (https://www.pagespeedmatters.com/resources/data-studies/website-death-rate)