Canonical Tag Usage 2026: 36.1% of Inner Pages Have None

    223,386 of 618,568 inner pages on top-1M sites (36.1%) have no canonical tag in the rendered HTML or HTTP headers.

    Inner pages with no canonical tag, by popularity tier
    Top 1K24.4%
    Top 10K26.8%
    Top 100K33.8%
    Top 1M36.4%

    Source: PageSpeed Matters. HTTP Archive crawl, Sept 2026, mobile, 618,568 inner pages on top 1M sites.

    Tiers are exclusive: each bar leaves out the more popular tiers above it.

    Source: Canonical Tag Usage 2026: 36.1% of Inner Pages Have None - PageSpeed Matters