Websites Powered by Intersection Observer

15,614 websites tracked using Intersection Observer (Performance) · www.w3.org

Intersection Observer is a performance optimization tool that speeds up the site. Its official site is w3.org. PoweredBy tracks the websites that use Intersection Observer across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the performance ecosystem.

Usage trend

Domains observed using Intersection Observer in each month's HTTP Archive crawl, Oct 2021 to Oct 2026 · peak 5,854 in May 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.8 s INP 75 ms CLS 0 TTFB 800 ms

Median site among 5,885 Intersection Observer sites with Chrome UX data, p75 values, Oct 2026.

Top countries

Japan 3,556
United States 474
India 451
France 366
United Kingdom 303
Italy 302
Germany 258
Indonesia 233

Sites using Intersection Observer by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Travel and hospitality 0.21% 182
Education 0.12% 78
Pets and animals 0.09% 3
Legal 0.05% 13
Home and construction 0.03% 17
Healthcare 0.03% 32
Arts and entertainment 0.02% 11
Beauty and wellness 0.02% 6
Sports and fitness 0.02% 4
News and media 0.01% 6
Blogs and publishing 0.01% 3
Retail 0.01% 37

Share of each industry's websites with a detected stack that use Intersection Observer; industries come from what sites declare in their own structured data.

Top sites by authority

9+ <1% · 2 of 372 sites
8+ <1% · 22 of 7,677 sites
7+ <1% · 60 of 45,712 sites
6+ <1% · 90 of 110,136 sites
5+ <1% · 143 of 246,751 sites

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

Websites using Intersection Observer

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1601 okonomiyaki19.jp 1.38/10 - - Aug 2024
1602 sakura-himawari.jp 1.38/10 - - May 2023
1603 ififellonline.com 1.37/10 - - Dec 2021
1604 janime.com 1.37/10 - - Aug 2026
1605 plust-drop.com 1.37/10 - - Oct 2023
1606 thegunawarman.com 1.37/10 - - Aug 2025
1607 1hd.ru 1.37/10 4 5 Nov 2021
1608 tabitote.com 1.37/10 - - Mar 2022
1609 kouzu.life 1.37/10 - - Apr 2024
1610 towapirie.co.jp 1.37/10 - - Aug 2025
1611 yesgoodmarket.com 1.37/10 - - Feb 2023
1612 rewindcolumbus.com 1.37/10 - - Aug 2023
1613 qestudio.cat 1.37/10 - - Oct 2021
1614 sinseimaru.com 1.37/10 - - Oct 2023
1615 hotelmargaux.fr 1.37/10 - - Oct 2024
1616 57reshotel.it 1.37/10 1 7 Nov 2021
1617 viilo-tarnow.pl 1.37/10 - - Nov 2021
1618 mbsglobal.ac.in 1.37/10 - - Jun 2025
1619 lbsimds.ac.in 1.37/10 - - Aug 2023
1620 activemotion.top 1.37/10 - - Apr 2026
1621 hachito-hitoto.co.jp 1.37/10 - - Mar 2026
1622 nshoukai.jp 1.37/10 - - May 2025
1623 kojimachigolf.com 1.36/10 - - Apr 2024
1624 ulic.es 1.36/10 - - Mar 2023
1625 novotel-muenchen-city-arnulfpark.com 1.36/10 - - Jan 2026
1626 100athletic.com 1.36/10 - - Aug 2023
1627 stockoption.cloud 1.36/10 - - Dec 2025
1628 revistapresente.com 1.36/10 - - Dec 2021
1629 coral-sango.jp 1.36/10 - - Dec 2024
1630 smilings.jp 1.36/10 - - Sep 2026
1631 raindrops.jp 1.36/10 - - Dec 2023
1632 croom.jp 1.36/10 - - Jun 2025
1633 alohatower.jp 1.36/10 - - Jul 2025
1634 chikamori-shika.jp 1.36/10 - - Sep 2026
1635 suda.gov.ge 1.35/10 - - Apr 2025
1636 moneylesssociety.com 1.35/10 - - Aug 2022
1637 murayama-zouen.co.jp 1.35/10 - - Apr 2026
1638 solwayviewholidays.co.uk 1.35/10 - - Jan 2026
1639 hotelcourriersud.fr 1.35/10 - - Jan 2023
1640 pinknoises.it 1.35/10 - - Apr 2022
1641 lamina-vet.com 1.34/10 - - Jun 2023
1642 mineralmuru.com 1.34/10 - - Jan 2023
1643 neuroencoding.com 1.34/10 - - Apr 2023
1644 sunybeoc.org 1.34/10 - - Aug 2025
1645 firsttitleservices.com 1.34/10 - - Jun 2023
1646 hotelvillamalaspina.com 1.34/10 - - Mar 2022
1647 odysseushotel.gr 1.34/10 - - Aug 2022
1648 aika-job.jp 1.34/10 - - Jun 2023
1649 hotelbolognese.com 1.34/10 - - Dec 2023
1650 frightday.com 1.34/10 - - Oct 2021
1651 murese.ee 1.34/10 - - Dec 2021
1652 skanholz.ee 1.34/10 - - May 2023
1653 jsluwansa.com 1.33/10 - - May 2025
1654 hannssummer.com 1.33/10 - - Jan 2024
1655 heartfulcare.com 1.33/10 - - May 2026
1656 ecoledanhierdosteopathie.fr 1.33/10 - - Mar 2022
1657 oketora.co.jp 1.33/10 - - Oct 2024
1658 tsubasa-mobility.co.jp 1.33/10 - - Jul 2024
1659 sdmucmsh.edu.in 1.33/10 - - Mar 2024
1660 petkentei.jp 1.33/10 - - May 2022
1661 hage.co.jp 1.33/10 - - Nov 2021
1662 localfluence.com 1.33/10 - - Nov 2021
1663 kisumupoly.ac.ke 1.33/10 - - Mar 2025
1664 midadalmadina.com 1.33/10 - - Jun 2023
1665 moga.com.sg 1.33/10 - - Feb 2025
1666 hotel-napoleon-bastia.fr 1.33/10 - - Jun 2023
1667 collegiorotondi.it 1.33/10 - - Nov 2025
1668 vatuga.ru 1.32/10 - - Nov 2021
1669 roadworksmfg.com 1.32/10 - - Nov 2021
1670 storyrules.com 1.32/10 - - Jan 2023
1671 kawachigamo.com 1.32/10 - - Nov 2021
1672 metacoaching.com.br 1.32/10 - - Aug 2023
1673 pokemon-card.shop 1.32/10 - - Aug 2022
1674 mymix1079.com 1.32/10 - - Aug 2023
1675 miyakokai-kyoto.com 1.32/10 - - Nov 2021
1676 laresidenceduparc.fr 1.32/10 - - Sep 2024
1677 dpsbhopal.org 1.32/10 - - Jul 2024
1678 weliz-co.jp 1.32/10 - - Feb 2024
1679 lisbonfivestars.pt 1.32/10 - - May 2023
1680 sakaya-cafe-maruyoshi.org 1.32/10 - - Apr 2025
1681 hisforhawk.com.au 1.32/10 - - Jun 2026
1682 havfit.com 1.31/10 - - Dec 2022
1683 guardenza.com 1.31/10 - - Jun 2022
1684 jayalakshmisilks.com 1.31/10 - - Feb 2025
1685 cappacollege.ca 1.31/10 12 4 May 2025
1686 tezuka-ah.com 1.31/10 - - Mar 2023
1687 lepuy-deltourhotel.com 1.31/10 - - Oct 2026
1688 aatc.tennis 1.31/10 1 9 Oct 2024
1689 chillmarukochan.com 1.31/10 - - Apr 2025
1690 americanhotelnapoli.it 1.31/10 - 8 Mar 2025
1691 taiyounyu.co.jp 1.31/10 - - Jan 2024
1692 steak-bonte.jp 1.31/10 - - Mar 2023
1693 asukaroad.jp 1.31/10 - - Jul 2026
1694 funwood.co.jp 1.31/10 - - Dec 2023
1695 lloydhartley.com 1.31/10 - - Jun 2023
1696 hkagro.cz 1.31/10 - - Dec 2024
1697 ammschool.org 1.31/10 1 3 May 2024
1698 novoteldarwinatrium.com.au 1.31/10 - - May 2024
1699 capwinston.fr 1.31/10 - - May 2025
1700 hotelconcorde.de 1.31/10 - - May 2023

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) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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