Server Version Disclosure: 14.8% of Top 1M Sites

    14.8% of top 1M homepages that send a Server header (101,917 of 688,733) include a version number, and 74,068 send their PHP version in X-Powered-By, 29,155 of them on PHP 5 or 7.

    Share of homepages with a Server header that show a version, by tier
    Top 10K8.3%
    Top 100K12.9%
    Rest of top 1M15%

    Source: PageSpeed Matters. HTTP Archive top 1M crawl, Sept 2026, mobile.

    Base is homepages that send a Server header; each tier excludes the tiers above it.

    Source: Server Version Disclosure: 14.8% of Top 1M Sites - PageSpeed Matters