{
    "statement": "of mobile websites had good Core Web Vitals in 2025, against 56% on desktop",
    "value_display": "48%",
    "value_numeric": 48,
    "unit": "%",
    "data_label": "2025",
    "data_period_end": "2025-06-30",
    "region": "Global",
    "size": "all",
    "source": {
        "name": "Web Almanac (SEO chapter)",
        "publisher": "HTTP Archive",
        "type": "research",
        "url": "https://httparchive.org/"
    },
    "source_url": "https://almanac.httparchive.org/en/2025/performance",
    "source_quote": "By 2024, good CWV performance reached 44% on mobile and 55% on desktop, and further improved in 2025 to 48% for mobile websites and 56% for desktop websites.",
    "verification_note": "Read on almanac.httparchive.org 2025 edition (published 15 Jan 2026); Core Web Vitals from Chrome UX Report. Matches data.js (48%/56%); data.js label 'Jul 2025' changed to 2025 (SEO chapter gives June 2025 for the same 48%/56%).",
    "verified_at": "2026-10-23T00:00:00+00:00",
    "margin_of_error": null,
    "dont_know": null,
    "data_table": {
        "columns": [
            "Year",
            "Mobile",
            "Desktop"
        ],
        "rows": [
            [
                "2021",
                "32%",
                "41%"
            ],
            [
                "2022",
                "31%",
                "44%"
            ],
            [
                "2023",
                "36%",
                "48%"
            ],
            [
                "2024",
                "44%",
                "55%"
            ],
            [
                "2025",
                "48%",
                "56%"
            ]
        ]
    },
    "revisions": [
        {
            "happened_on": "2026-01-15",
            "kind": "new_data",
            "value_display": "44%",
            "note": "2024 mobile pass rate, same Web Almanac series."
        }
    ],
    "page_url": "https://digitaltreed.com/statistics/web-development/mobile-sites-passing-core-web-vitals",
    "csv_url": "https://digitaltreed.com/statistics/web-development/mobile-sites-passing-core-web-vitals.csv"
}