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
5801 travelcoachaashna.in - - - Aug 2026
5802 travelnow.com.ng - - - Jul 2025
5803 travishood.jp - - - Jul 2026
5804 trkabuzi.com - - - Aug 2025
5805 tsukika.okinawa - - - Feb 2026
5806 tsurumi-koogao.com - - - Oct 2026
5807 ttonline.jp - - - Aug 2026
5808 turumiya.com - - - Jul 2026
5809 ulucus.shop - - - Jun 2026
5810 unanniversary.com - - - Mar 2025
5811 utmcollege.com - - - Feb 2025
5812 utsunomiyahvbs.jp - - - Oct 2023
5813 valgineering.com - - - Feb 2023
5814 vetlagnycentre.fr - - - Jun 2023
5815 viadominorum.ro - - - Sep 2026
5816 vidhyashekhargroupofinstitution.com - - - Oct 2026
5817 viktoriagz.com - - - Apr 2026
5818 vintageok.co.kr - - - Jan 2022
5819 visual-k.com - - - Jun 2026
5820 wabisabi-kimono.com - - - Nov 2024
5821 wansmile.jp - - - May 2026
5822 wavekansai.jp - - - Jan 2026
5823 wearhaus.site - - - Oct 2026
5824 webyselection.com - - - Dec 2025
5825 wellnesstoamerica.com - - - Sep 2026
5826 wildmon.jp - - - Mar 2025
5827 wildwoodmovie-anz.com - - - Oct 2026
5828 winds-tcg.com - - - Jul 2026
5829 xn---26-bedk.xn--p1ai - - - Aug 2025
5830 y2billiardstudio.com - - - Mar 2026
5831 yaateashop.net - - - Jul 2026
5832 yakiniku-cocoiro.com - - - May 2026
5833 yakinikubenkei.jp - - - Jun 2023
5834 yamada-shigyo.com - - - Jan 2024
5835 yara-official.com - - - Aug 2025
5836 yggdrasillshop.com - - - Apr 2026
5837 yokozuka19101413-office.com - - - Oct 2026
5838 youthleadership.sg - - - Nov 2024
5839 ys-assist.jp - - - May 2026
5840 yukimichi0901.com - - - Jan 2025
5841 zalagaonicaiotkup.com - - - Jan 2025
5842 zpoz.top - - - Sep 2026
5843 7-11dash.com - - - Dec 2025
5844 agrikawata.jp - - - Oct 2026
5845 akira-house.jp - - - Sep 2026
5846 andishe-naw.ir - - - Oct 2026
5847 aquamate-cleaning.jp - - - Jun 2025
5848 aromanosei.jp - - - Oct 2026
5849 ask-kobe.jp - - - Jun 2026
5850 assistservice-recruit.jp - - - Jun 2024
5851 atpeschool.tech - - - Feb 2026
5852 aura-ruum.com - - - Oct 2026
5853 averonic-edu.com - - - Oct 2026
5854 babelcloth.jp - - - Feb 2026
5855 bellevue-niigata.com - - - Oct 2026
5856 bestars.co.jp - - - Sep 2026
5857 biltekkalite.com - - - Nov 2025
5858 bistroken.jp - - - Oct 2026
5859 bluegill77.jp - - - Jun 2026
5860 breiq.com.br - - - Jul 2025
5861 caapa.jp - - - Sep 2026
5862 capitalroof.ro - - - Aug 2026
5863 cavalier-dogfarmhiki.com - - - Oct 2026
5864 ccmmysore.com - - - Oct 2026
5865 chingu-ya.com - - - Oct 2026
5866 cicopnagpur.com - - - Aug 2026
5867 cizgikursmerkezi.com - - - Aug 2026
5868 cleanaid-ibaraki.jp - - - Oct 2026
5869 cpclnagpur.com - - - Sep 2026
5870 craftichimi.jp - - - Sep 2026
5871 cranelover.co.jp - - - Aug 2026
5872 dalbit-osaka.jp - - - Mar 2026
5873 dataedu.com.co - - - Nov 2024
5874 dennkisuidousetubi.com - - - Aug 2026
5875 die-camino-therapie.de - - - Jul 2026
5876 dnsoul.com - - - Oct 2026
5877 e-outi.jp - - - Jun 2026
5878 e-vedhika.in - - - Oct 2026
5879 echigoleather.com - - - Aug 2026
5880 ecoluxcasepremium.ro - - - Aug 2026
5881 eifumi.com - - - Oct 2026
5882 espoir-casualfrench.com - - - Jul 2026
5883 esuthi-sasaki.jp - - - Aug 2026
5884 ettabd.com - - - Dec 2022
5885 euphmoto.jp - - - Sep 2026
5886 f-concierge-iwanuma.jp - - - Mar 2026
5887 facenpc.com - - - Oct 2026
5888 frenzystore.jp - - - Aug 2026
5889 fruppolo.org - - - Apr 2026
5890 fudenobori.com - - - Sep 2026
5891 fujikyungoods.com - - - Aug 2026
5892 fukuokaohana-ah.com - - - Oct 2026
5893 gentlesamurai.com - - - Oct 2026
5894 gifca-shop.com - - - Sep 2026
5895 gifttidebox.com - - - Sep 2026
5896 giitafrica.com - - - Aug 2026
5897 greenie.jp - - - Aug 2026
5898 hamamatsucookingclass.jp - - - Oct 2026
5899 hapiheartrance0428.com - - - May 2026
5900 hautewatches.club - - - Sep 2026

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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