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
5601 katuretu-matumura.com - - - Apr 2026
5602 keigi.co.jp - - - Sep 2026
5603 kendrickguitars.com - - - Nov 2023
5604 kg2uni.com - - - Sep 2026
5605 kimuchi-jan.com - - - Aug 2026
5606 kinosei.jp - - - Apr 2023
5607 kipoints.pro - - - Sep 2026
5608 kiryak.ee - - - Aug 2026
5609 kitchentaku.com - - - Oct 2026
5610 kitsa-miyazaki.jp - - - Jun 2025
5611 koko-iki.jp - - - Jul 2026
5612 koseidou.com - - - Jun 2023
5613 koshin-sec.jp - - - May 2026
5614 kosho-mirokudo.com - - - Jun 2026
5615 kotsukotsugourmet.com - - - May 2026
5616 krokotoys.ee - - - Dec 2024
5617 kuroshiosokai.com - - - Mar 2026
5618 kusatsu-kappoimada.com - - - Apr 2024
5619 kyoto-moonmoon.jp - - - Jun 2026
5620 lagunas.jp - - - Jul 2025
5621 lambavill.ee - - - Jan 2025
5622 lebarbara.fr - - - Jul 2024
5623 lecturademanos.cl - - - Jul 2024
5624 lehmann-immobilier.fr - - - Mar 2025
5625 lesquatresaisonsdjerba.com - - - Oct 2026
5626 lifefit-sakaiotori.com - - - Jul 2026
5627 lnpats.net - - - Oct 2026
5628 loggerman.eu - - - Jun 2026
5629 loonababy.ru - - - Jun 2025
5630 luunaneera.ee - - - Jun 2026
5631 macaoligo.com - - - Sep 2024
5632 magazineshop-ec.jp - - - Aug 2026
5633 maison-kiki.jp - - - Aug 2026
5634 maltafirstaid.mt - - - Jul 2024
5635 mand-baikyaku.com - - - May 2026
5636 maoli-izakaya.jp - - - Nov 2024
5637 maruman-ice.jp - - - Aug 2026
5638 marushige-official.com - - - Jan 2026
5639 marxhmero.com - - - Jul 2026
5640 mary-medaille.com - - - Jul 2026
5641 matinbakery.com - - - Jan 2025
5642 mavie-official.jp - - - Aug 2024
5643 medical-mall.shop - - - Dec 2022
5644 meiseishop.jp - - - Jul 2026
5645 mennojikan.com - - - Jun 2026
5646 mens-shiney.com - - - Oct 2026
5647 mercurebangkokmakkasan.com - - - Sep 2025
5648 mercurephuketpatong.com - - - Feb 2026
5649 mindpickpublishers.com - - - Apr 2024
5650 minegarden20.jp - - - Jun 2025
5651 minute-beaute.fr - - - Aug 2022
5652 mir-kolodok.ru - - - Nov 2023
5653 mitsuki-tantan.jp - - - May 2026
5654 mizutoki-shop.com - - - Jul 2026
5655 mjsbmc.ac.in - - - Jan 2024
5656 mmc-products.com - - - Dec 2023
5657 mood043.com - - - Dec 2023
5658 mrsonlineclass.com - - - Apr 2026
5659 msmo.com.ua - - - Aug 2026
5660 msnp.edu.rs - - - Jun 2025
5661 mtsophia.jp - - - Jun 2024
5662 muku69.jp - - - Sep 2025
5663 museecoloree.com - - - Jan 2024
5664 nagaokakensou.jp - - - May 2026
5665 nagoya-baikyaku.jp - - - Sep 2026
5666 naminori-gyosei.jp - - - Jul 2026
5667 nanamaru-suisan.jp - - - Jun 2026
5668 narumiya-sawayakatei.com - - - Jun 2026
5669 neomaestro.md - - - Dec 2024
5670 neonra.jp - - - Nov 2025
5671 nepolitico.ro - - - Oct 2026
5672 net-ace.com - - - May 2026
5673 nexrea.jp - - - Jun 2026
5674 nice8chan.jp - - - May 2026
5675 nier-clothing.com - - - Aug 2025
5676 ninazakka.com - - - Feb 2026
5677 niwa-corp.com - - - Jan 2024
5678 nocco-wedding.com - - - Dec 2023
5679 nomadapartment.shop - - - Oct 2025
5680 nosize-mikuriya.com - - - May 2026
5681 novalo.ee - - - Jun 2026
5682 nuunuu-nagara.com - - - Feb 2025
5683 o-intention.com - - - Sep 2026
5684 offgreenjapan.com - - - Feb 2026
5685 ogrennetakademi.com - - - Apr 2026
5686 ohana-studio.net - - - Oct 2025
5687 oldmillion31.club - - - Jul 2026
5688 oldmillion35.club - - - Aug 2026
5689 oliviapulse.pl - - - Oct 2026
5690 omarahmedx14.com - - - May 2026
5691 onkaisekisiratama.jp - - - Aug 2024
5692 onslaught-film.de - - - Sep 2026
5693 opocursos.com - - - Oct 2026
5694 optstuff.com - - - Apr 2024
5695 oyogu-life.jp - - - Jul 2026
5696 p-3works.jp - - - Mar 2026
5697 padam-official.com - - - Nov 2025
5698 pawpatrolmovie.me - - - Aug 2026
5699 pc-cloud.jp - - - May 2026
5700 pie-byronbay.jp - - - Aug 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.

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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