Websites Powered by LazySizes

2,967,473 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 Jun 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 985,907 LazySizes sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 293,143
Japan 100,688
United Kingdom 98,990
Germany 98,569
India 86,777
France 78,654
Brazil 75,213
Canada 73,480

Sites using LazySizes by audience country, Chrome UX Report.

Top sites by authority

9+ 19% · 72 of 372 sites
8+ 17% · 1,334 of 7,677 sites
7+ 12% · 5,477 of 45,712 sites
6+ 10% · 11,318 of 110,136 sites
5+ 9% · 21,171 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
1401 flywheelsites.com 7.97/10 - - Dec 2022
1402 ajg.com 7.97/10 55,800 14,950 Sep 2022
1403 suno.com 7.97/10 89,600 19,242 Dec 2024
1404 quillbot.com 7.97/10 4,024,400 481,005 Feb 2022
1405 verywellfit.com 7.97/10 1,590,800 389,209 Feb 2022
1406 theicct.org 7.97/10 7,100 7,633 Feb 2022
1407 aerztezeitung.de 7.97/10 4,700 554 Feb 2022
1408 tiscali.it 7.97/10 340 126 Feb 2022
1409 belfasttelegraph.co.uk 7.97/10 15,700 29,261 Feb 2022
1410 benesse.ne.jp 7.97/10 - - Jul 2022
1411 mtsu.edu 7.97/10 79,500 40,352 Sep 2025
1412 pref.kagoshima.jp 7.97/10 53 42 May 2026
1413 kirin.co.jp 7.97/10 64 125 Feb 2022
1414 ondemand.com 7.96/10 - - Jul 2023
1415 thefork.com 7.96/10 125,100 51,726 Mar 2022
1416 bethesda.net 7.96/10 212,800 19,822 Feb 2022
1417 canonical.com 7.96/10 9,800 6,190 Apr 2022
1418 saatchiart.com 7.96/10 80,700 59,229 Feb 2022
1419 uso.org 7.96/10 97,700 23,657 Feb 2022
1420 meteofrance.com 7.96/10 38,600 16,054 Feb 2022
1421 uptodown.com 7.96/10 7,500 3,463 Feb 2022
1422 wizards.com 7.96/10 - 1 Feb 2022
1423 lululemon.com 7.96/10 - - Feb 2022
1424 upmc.com 7.96/10 705,800 200,553 Feb 2022
1425 gia.edu 7.96/10 710,500 58,386 Feb 2022
1426 regione.piemonte.it 7.96/10 450 1,080 Apr 2025
1427 canadiantire.ca 7.96/10 113,000 409,555 Feb 2022
1428 forbes.com.mx 7.96/10 4,300 15,626 Feb 2022
1429 seia.org 7.96/10 42,100 8,646 Oct 2025
1430 thetyee.ca 7.96/10 6,700 8,782 Jan 2024
1431 cdmx.gob.mx 7.96/10 1,900 1,510 Feb 2022
1432 boisestate.edu 7.96/10 230,900 64,461 Feb 2022
1433 hoover.org 7.96/10 182,800 46,964 Aug 2022
1434 gelocal.it 7.96/10 - - Feb 2022
1435 sakura.ad.jp 7.96/10 49 32 Jun 2022
1436 uclm.es 7.96/10 950 1,486 Feb 2022
1437 pond5.com 7.95/10 34,300 105,810 Mar 2022
1438 tomsk.ru 7.95/10 23 11 Feb 2022
1439 rebuyengine.com 7.95/10 5,400 1,097 Jun 2025
1440 bosch.com 7.95/10 15,100 7,790 Feb 2022
1441 nachi.org 7.95/10 131,600 35,479 Feb 2022
1442 mars.com 7.95/10 108,900 34,731 Feb 2022
1443 milliyet.com.tr 7.95/10 17,500 21,626 Feb 2022
1444 ae.org 7.95/10 1 8 Feb 2022
1445 washingtonian.com 7.95/10 124,900 73,944 Feb 2022
1446 sciencemuseum.org.uk 7.95/10 73,600 19,283 Feb 2022
1447 maregionsud.fr 7.95/10 120 216 Jan 2023
1448 carrefour.fr 7.95/10 4,500 7,941 Feb 2022
1449 tennessee.edu 7.95/10 48,100 4,570 Feb 2022
1450 erudit.org 7.95/10 26,100 5,399 Feb 2022
1451 citizen.org 7.95/10 27,100 14,787 Feb 2022
1452 lrb.co.uk 7.95/10 33,000 31,471 Feb 2022
1453 swinburne.edu.au 7.95/10 23,600 7,417 Feb 2022
1454 sega.jp 7.95/10 1,100 627 Apr 2023
1455 nishinippon.co.jp 7.95/10 13 55 Feb 2022
1456 moo.jp 7.95/10 - - Jun 2022
1457 shochiku.co.jp 7.95/10 130 113 Mar 2026
1458 avalara.com 7.94/10 576,500 138,828 Mar 2026
1459 moosend.com 7.94/10 38,900 12,695 Feb 2022
1460 thedailystar.net 7.94/10 33,200 40,700 Feb 2022
1461 philstar.com 7.94/10 56,500 64,912 Feb 2022
1462 africanews.com 7.94/10 13,900 16,862 Sep 2022
1463 tripsavvy.com 7.94/10 594,600 273,312 Feb 2022
1464 cna.com.tw 7.94/10 810 619 Feb 2022
1465 nam.edu 7.94/10 11,100 9,578 Mar 2025
1466 chanel.com 7.94/10 640,700 287,959 Feb 2022
1467 pastemagazine.com 7.94/10 486,700 253,939 Mar 2023
1468 mercola.com 7.94/10 6,300 314 Feb 2022
1469 kerala.gov.in 7.94/10 540 50 Feb 2022
1470 uni-wuppertal.de 7.94/10 310 306 Jan 2025
1471 syracuse.com 7.94/10 697,200 437,838 Feb 2022
1472 home.saxo 7.94/10 342,600 45,656 Feb 2022
1473 logmi.jp 7.94/10 46 39 Nov 2024
1474 ssl-lolipop.jp 7.94/10 - - Feb 2022
1475 femmeactuelle.fr 7.94/10 3,100 10,522 Feb 2022
1476 money.pl 7.94/10 3,800 3,966 Feb 2022
1477 csu.edu.au 7.94/10 11,600 4,897 Apr 2023
1478 rzd.ru 7.93/10 12 20 Feb 2022
1479 shoplineapp.com 7.93/10 - - Jan 2023
1480 report.az 7.93/10 3,400 3,280 Dec 2025
1481 openx.com 7.93/10 1,100 233 Apr 2026
1482 makuake.com 7.93/10 170 252 Nov 2022
1483 edubirdie.com 7.93/10 59,700 43,369 May 2025
1484 clubrunner.ca 7.93/10 21 14 Feb 2022
1485 pflag.org 7.93/10 18,300 7,447 Feb 2023
1486 bitbucket.io 7.93/10 - - Dec 2023
1487 dior.com 7.93/10 762,300 186,734 Feb 2022
1488 polygon.technology 7.93/10 3,300 2,323 Nov 2022
1489 thomann.de 7.93/10 18,500 28,083 Feb 2022
1490 uni-siegen.de 7.93/10 1,900 1,361 Oct 2023
1491 torontomu.ca 7.93/10 22,900 18,097 Oct 2022
1492 bvsalud.org 7.93/10 64 44 Oct 2022
1493 vogel.de 7.93/10 1 9 Feb 2022
1494 hofstra.edu 7.93/10 107,900 27,947 May 2024
1495 uvigo.es 7.93/10 - - Feb 2022
1496 pace.edu 7.93/10 125,300 44,388 Feb 2022
1497 asiasociety.org 7.93/10 252,200 38,681 Jul 2022
1498 even3.com.br 7.93/10 210 391 Feb 2022
1499 toulouse.fr 7.93/10 - - Sep 2025
1500 pref.okinawa.jp 7.93/10 380 41 Feb 2022

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.

Download top 10,000 as CSV (zip) →

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