Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data

    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 1K7.1%
    1K to 5K11.9%
    5K to 10K15.2%
    10K to 50K18.5%
    50K to 100K20.6%
    100K to 500K22.3%
    500K to 1M22.5%

    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