Websites Powered by LazySizes

2,999,342 websites tracked using LazySizes (JavaScript libraries) · github.com

LazySizes is a JavaScript library used to add functionality to web pages. Its official site is github.com. PoweredBy tracks the websites that use LazySizes across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Domains observed using LazySizes in each month's HTTP Archive crawl, Feb 2022 to Aug 2026 · peak 1,192,952 in Mar 2023. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.9 s INP 75 ms CLS 0 TTFB 800 ms

Median site among 967,367 LazySizes sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 257,174
Japan 88,025
Germany 86,805
United Kingdom 86,179
India 75,535
Brazil 67,920
France 65,045
Canada 63,289

Sites using LazySizes by audience country, Chrome UX Report.

Top sites by authority

9+ 18% · 67 of 372 sites
8+ 17% · 1,287 of 7,677 sites
7+ 12% · 5,340 of 45,712 sites
6+ 10% · 11,071 of 110,136 sites
5+ 8% · 20,677 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running LazySizes in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using LazySizes

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1901 ufg.br 7.73/10 120 217 Aug 2022
1902 poddtoppen.se 7.73/10 9,900 25,967 Feb 2022
1903 nicepage.com 7.72/10 6,400 6,648 Feb 2022
1904 sberbank.com 7.72/10 1,700 202 Feb 2022
1905 tbsnews.net 7.72/10 31,900 45,420 Feb 2022
1906 aawsat.com 7.72/10 700 250 May 2023
1907 australia.com 7.72/10 562,100 24,549 Feb 2022
1908 bitcoinmagazine.com 7.72/10 10,000 7,225 May 2023
1909 ahima.org 7.72/10 81,800 24,314 Feb 2022
1910 dmagazine.com 7.72/10 185,600 107,239 Feb 2022
1911 daytondailynews.com 7.72/10 229,000 115,822 Apr 2026
1912 journaldemontreal.com 7.72/10 20,500 13,469 Feb 2022
1913 telia.se 7.72/10 240 520 Feb 2022
1914 hkust.edu.hk 7.72/10 5,900 1,875 Feb 2022
1915 fanduel.com 7.72/10 198,600 114,327 Mar 2023
1916 bonn.de 7.72/10 490 1,124 Feb 2022
1917 esade.edu 7.72/10 34,500 8,184 Nov 2022
1918 sfexaminer.com 7.72/10 56,500 34,497 Feb 2022
1919 biu.ac.il 7.72/10 3,400 232 Aug 2024
1920 izi.travel 7.72/10 2,500 2,699 Jul 2023
1921 telangana.gov.in 7.72/10 1,600 468 Apr 2022
1922 jsda.or.jp 7.72/10 220 88 Apr 2023
1923 uwi.edu 7.72/10 5,000 1,801 Mar 2024
1924 autocar.co.uk 7.72/10 46,300 59,355 Feb 2022
1925 legambiente.it 7.72/10 82 133 Nov 2023
1926 atlantaga.gov 7.72/10 148,400 46,263 Nov 2024
1927 larepublica.pe 7.72/10 19,000 52,740 Feb 2022
1928 psg.fr 7.72/10 148,500 10,365 Feb 2022
1929 goldwin.co.jp 7.72/10 580 408 Aug 2022
1930 ug.edu.pl 7.72/10 530 372 May 2024
1931 alternatives-economiques.fr 7.72/10 1,300 865 Feb 2022
1932 gatling.io 7.71/10 460 386 Feb 2022
1933 sk.ru 7.71/10 1 2 Sep 2022
1934 glossgenius.com 7.71/10 50,500 22,433 Feb 2022
1935 lorealparisusa.com 7.71/10 716,100 199,376 Feb 2022
1936 hinet.net 7.71/10 120 43 Feb 2022
1937 kpn.com 7.71/10 1,200 1,575 Mar 2022
1938 mattermost.com 7.71/10 6,200 3,459 Feb 2022
1939 boia.org 7.71/10 2,400 2,670 Feb 2022
1940 digiaccess.org 7.71/10 - 2 Sep 2025
1941 safetyculture.com 7.71/10 225,100 51,320 Feb 2022
1942 analyticsindiamag.com 7.71/10 7,000 12,148 Mar 2022
1943 dailymail.com 7.71/10 980 405 Jul 2026
1944 vivaticket.com 7.71/10 3,500 1,130 Feb 2022
1945 liverpoolfc.com 7.71/10 309,300 26,541 Feb 2022
1946 zoznam.sk 7.71/10 220 417 Feb 2022
1947 state.ak.us 7.71/10 - - Aug 2022
1948 regione.fvg.it 7.71/10 490 1,254 Apr 2022
1949 15min.lt 7.71/10 6,400 7,230 Feb 2022
1950 regione.campania.it 7.71/10 180 516 Jul 2024
1951 omaha.com 7.71/10 60,100 41,587 Feb 2022
1952 filmaffinity.com 7.71/10 734,000 369,669 Feb 2022
1953 cshl.edu 7.71/10 41,100 10,281 Feb 2022
1954 francetelevisions.fr 7.71/10 2,000 1,943 Feb 2022
1955 rtl.be 7.71/10 2,800 4,051 Feb 2023
1956 espn.co.uk 7.71/10 155,100 55,026 Feb 2022
1957 infrastructurereportcard.org 7.71/10 3,400 875 Mar 2023
1958 francophonie.org 7.71/10 3,200 522 Dec 2022
1959 xerces.org 7.71/10 105,600 12,915 Feb 2022
1960 future-shop.jp 7.71/10 - 1 Apr 2023
1961 humboldt-foundation.de 7.71/10 14,000 38,162 Feb 2022
1962 wlu.edu 7.71/10 34,100 13,639 Feb 2022
1963 affaritaliani.it 7.71/10 480 1,437 Feb 2022
1964 rch.org.au 7.71/10 334,800 140,173 Aug 2022
1965 uam.mx 7.71/10 350 1,140 Feb 2022
1966 sanrio.co.jp 7.71/10 18,500 1,919 Feb 2022
1967 nma.gov.au 7.71/10 49,600 11,813 Feb 2022
1968 doshisha.ac.jp 7.71/10 470 117 Aug 2022
1969 toyota.pt 7.70/10 82 165 May 2022
1970 dmexco.com 7.70/10 1,800 671 Feb 2022
1971 everyonesocial.com 7.70/10 5,000 2,133 Feb 2022
1972 doterra.com 7.70/10 114,600 40,939 Feb 2022
1973 civilrightsmuseum.org 7.70/10 35,600 2,713 Jun 2025
1974 boozallen.com 7.70/10 31,000 18,769 Feb 2022
1975 ogc.org 7.70/10 6,600 607 Feb 2026
1976 bookbub.com 7.70/10 110,200 66,566 Sep 2024
1977 supermicro.com 7.70/10 62,800 22,420 Feb 2022
1978 success.com 7.70/10 62,900 38,075 Feb 2022
1979 charitywatch.org 7.70/10 86,200 17,915 Dec 2025
1980 wacom.com 7.70/10 56,000 11,724 Feb 2022
1981 mlq.ai 7.70/10 21,100 22,166 Jun 2023
1982 lisc.org 7.70/10 20,900 10,068 Feb 2022
1983 alteryx.com 7.70/10 23,500 6,067 May 2025
1984 tiaa.org 7.70/10 517,700 78,734 Feb 2022
1985 raiffeisen.at 7.70/10 180 576 Feb 2022
1986 japan-guide.com 7.70/10 2,002,400 139,152 Feb 2022
1987 thearc.org 7.70/10 48,100 13,252 Jul 2026
1988 hkbu.edu.hk 7.70/10 2,000 784 Feb 2022
1989 pressdemocrat.com 7.70/10 184,300 148,763 Sep 2025
1990 group.bnpparibas 7.70/10 16,200 10,362 Feb 2022
1991 fit.edu 7.70/10 101,200 37,749 Feb 2022
1992 mcall.com 7.70/10 77,900 121,144 Mar 2022
1993 fitnyc.edu 7.70/10 72,800 32,885 Feb 2022
1994 expresso.pt 7.70/10 4,200 8,081 Mar 2022
1995 unc.edu.ar 7.70/10 620 954 Feb 2022
1996 nachrichten.at 7.70/10 930 1,811 Feb 2022
1997 caisse-epargne.fr 7.70/10 3,000 1,226 Feb 2022
1998 php.co.jp 7.70/10 3 7 May 2024
1999 farodevigo.es 7.70/10 3,500 10,041 Apr 2022
2000 waseda.ac.jp 7.70/10 - - Dec 2024

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

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