Only 38.4% of WordPress Sites Pass Core Web Vitals

    Is WordPress really slow? We checked the Core Web Vitals of nearly 3 million WordPress sites against the rest of the web. WordPress passes 38.4% of the time versus 44.1% for everything else, and the entire gap is load time. On responsiveness and stability, WordPress wins.

    Core Web Vitals pass rate, WordPress vs the rest of the web (mobile)
    Rest of the web
    44.1%
    WordPress
    38.4%

    Source: PageSpeed Matters, 2.98M WordPress and 6.59M non-WordPress CrUX-covered origins, May 2026.

    A 5.7-point gap, and all of it is load time. WordPress is behind in exactly one place and ahead in the other two.

    Good Core Web Vitals by metric, WordPress sites (mobile)
    Good INP (responsiveness)
    93.8%
    Good CLS (stability)
    91.5%
    Good LCP (loading)
    59.2%

    Source: PageSpeed Matters analysis of 2.98M WordPress origins with CrUX field data, May 2026.

    WordPress interacts and holds still better than the average site. Only 59% have good loading, and that single metric caps the platform.

    Source: Only 38.4% of WordPress Sites Pass Core Web Vitals - PageSpeed Matters