Core Web Vitals by Site Popularity: the Top 1,000 Pass 64.7%, the Long Tail 39.2%

    We split every site Google measures into traffic-popularity tiers. The top 1,000 pass on 64.7% of mobile origins, the tail beyond one million just 39.2%. But on mobile the top tier is far less responsive than the long tail.

    Core Web Vitals pass rate by popularity tier (mobile)
    Top 1,000
    64.7%
    Top 10,000
    54.5%
    Top 1,000,000
    51%
    Top 100,000
    48.9%
    Beyond 1,000,000
    39.2%

    Source: PageSpeed Matters analysis of 11.1 million origins with CrUX field data, May 2026.

    The head of the web passes far more often than the tail. Where most of the web lives, most of the web fails.

    Good responsiveness (INP) by popularity tier (mobile)
    Beyond 1,000,000
    84%
    Top 1,000
    72.5%
    Top 1,000,000
    71.5%
    Top 10,000
    67.8%
    Top 100,000
    65.5%

    Source: PageSpeed Matters analysis, mobile 75th-percentile field data, May 2026.

    The long tail has the best mobile responsiveness on the web, and every popular tier sits well below it. Popularity buys loading speed, not a fast response.

    Source: Core Web Vitals by Site Popularity: the Top 1,000 Pass 64.7%, the Long Tail 39.2% - PageSpeed Matters