{ "question": "What percentage of websites pass Core Web Vitals?", "answer": "48% of mobile websites and 56% of desktop websites had good Core Web Vitals in 2025, according to the HTTP Archive Web Almanac, which uses Chrome UX Report data from real Chrome users. Google's own Chrome UX Report, which does not split by device in its monthly note, counted 55.9% of origins passing in September 2026.", "period": "2025", "key_numbers": [ { "value": "48%", "label": "Mobile websites with good Core Web Vitals", "note": "HTTP Archive Web Almanac, 2025", "stat": "web-development/mobile-sites-passing-core-web-vitals" }, { "value": "56%", "label": "Desktop websites with good Core Web Vitals", "note": "HTTP Archive Web Almanac, 2025", "stat": "web-development/mobile-sites-passing-core-web-vitals" }, { "value": "62%", "label": "Mobile pages with good loading speed (LCP), the weakest metric", "note": "HTTP Archive Web Almanac, June 2025", "stat": "web-development/mobile-pages-good-lcp" }, { "value": "55.9%", "label": "Origins with good LCP, CLS and INP in Google's Chrome UX Report", "note": "Chrome UX Report, September 2026 dataset" }, { "value": "37%", "label": "Top 100,000 mobile sites with good Core Web Vitals, the lowest rank group", "note": "HTTP Archive Web Almanac, 2025" } ], "tables": [ { "id": "by-metric", "title": "Pages with a good score on each Core Web Vital (June 2025)", "columns": [ "Metric", "Mobile", "Desktop" ], "rows": [ [ "Largest Contentful Paint (LCP), loading", "62%", "74%" ], [ "Interaction to Next Paint (INP), responsiveness", "77%", "97%" ], [ "Cumulative Layout Shift (CLS), visual stability", "81%", "72%" ], [ "All three good (pass Core Web Vitals)", "48%", "56%" ] ], "row_ids": [ "metric-lcp", "metric-inp", "metric-cls", "metric-all" ], "note": "HTTP Archive Web Almanac 2025, SEO chapter, figures 5.21 and 5.22, Chrome UX Report data. Good means LCP of 2.5 seconds or less, INP under 200 milliseconds and CLS of 0.1 or less for most real users.", "source": "http-archive" }, { "id": "by-rank", "title": "Mobile websites with good Core Web Vitals, by popularity (2025)", "columns": [ "Websites", "Good Core Web Vitals (mobile)" ], "rows": [ [ "Top 1,000", "51%" ], [ "Top 10,000", "42%" ], [ "Top 100,000", "37%" ], [ "Top 1 million", "42%" ], [ "Top 10 million", "49%" ], [ "All websites", "48%" ] ], "row_ids": [ "rank-1k", "rank-10k", "rank-100k", "rank-1m", "rank-10m", "rank-all" ], "note": "HTTP Archive Web Almanac 2025, performance chapter, figure 7.2 (CrUX, July 2025). On desktop, 59% of the top 1,000 sites pass and the other groups stay between 55% and 57%. The chapter's text gives 48% for the top 10 million where the figure description gives 49%; the figure is used here.", "source": "http-archive" }, { "id": "by-page-type", "title": "Pages with good Core Web Vitals, home pages vs other pages (2025)", "columns": [ "Page type", "Mobile", "Desktop" ], "rows": [ [ "Home pages", "45%", "47%" ], [ "Secondary pages", "56%", "61%" ] ], "row_ids": [ "page-home", "page-secondary" ], "note": "HTTP Archive Web Almanac 2025, performance chapter, figure 7.3, page-level CrUX data. Secondary pages often load faster because resources are already cached.", "source": "http-archive" }, { "id": "crux-monthly", "title": "Origins with good Core Web Vitals in Google's Chrome UX Report, by dataset", "columns": [ "CrUX dataset", "Origins covered", "Good LCP", "Good CLS", "Good INP", "Good on all three" ], "rows": [ [ "September 2024", "18,936,684", "65.4%", "78.2%", "85.7%", "51.0%" ], [ "March 2025", "18,473,760", "67.9%", "78.2%", "85.8%", "52.8%" ], [ "July 2025", "18,068,328", "66.6%", "79.6%", "85.4%", "53.0%" ], [ "September 2025", "18,640,549", "66.8%", "80.1%", "86.0%", "53.7%" ], [ "December 2025", "17,288,655", "67.6%", "80.3%", "85.6%", "54.4%" ], [ "March 2026", "18,257,384", "69.0%", "81.2%", "87.2%", "56.5%" ], [ "June 2026", "18,210,344", "67.7%", "81.4%", "85.9%", "55.3%" ], [ "September 2026", "18,376,044", "68.3%", "81.7%", "85.4%", "55.9%" ] ], "row_ids": [ "crux-2024-09", "crux-2025-03", "crux-2025-07", "crux-2025-09", "crux-2025-12", "crux-2026-03", "crux-2026-06", "crux-2026-09" ], "note": "Google's monthly Chrome UX Report announcements (Chrome team). Origin level; the announcements do not split mobile and desktop, so these figures sit between the Web Almanac's mobile and desktop rates. Google says December data varies a lot every year, and an Android data issue affected some 2025 months. From September 2026, experimental figures that include soft navigations put the all-three rate at 59.5%.", "source": "crux" }, { "id": "history", "title": "Websites with good Core Web Vitals, 2021 to 2025", "columns": [ "Year", "Mobile", "Desktop" ], "rows": [ [ "2021", "32%", "41%" ], [ "2022", "31%", "44%" ], [ "2023", "36%", "48%" ], [ "2024", "44%", "55%" ], [ "2025", "48%", "56%" ] ], "row_ids": [ "year-2021", "year-2022", "year-2023", "year-2024", "year-2025" ], "note": "HTTP Archive Web Almanac, performance chapter, figure 7.1. INP replaced FID as the responsiveness metric in March 2024, so 2024 and 2025 use a stricter test than earlier years.", "source": "http-archive" } ], "sources": [ { "name": "Web Almanac (SEO chapter)", "publisher": "HTTP Archive", "type": "research", "url": "https://httparchive.org/" }, { "name": "Chrome UX Report (CrUX) monthly dataset", "publisher": "Google Chrome team", "type": "research", "url": "https://developer.chrome.com/docs/crux" } ], "content_changed_on": "2026-10-31", "page_url": "https://digitaltreed.com/statistics/web-development/core-web-vitals-pass-rate", "csv_url": "https://digitaltreed.com/statistics/web-development/core-web-vitals-pass-rate.csv" }