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
5701 pinduwatch.jp - - - Jun 2025
5702 plamotype.com - - - May 2023
5703 pois-shop.jp - - - Aug 2026
5704 poly-store.jp - - - Oct 2026
5705 pombc.edu.pg - - - Sep 2026
5706 portalmaestro.com.ar - - - Mar 2026
5707 powerstone-orion.com - - - May 2025
5708 pragatilaw.in - - - Mar 2025
5709 prizma-vape.jp - - - Mar 2026
5710 progresstone.com - - - Nov 2021
5711 pupulaukku.com - - - Sep 2024
5712 r24.mv - - - Sep 2026
5713 rabbitestudiowebcam.com - - - Nov 2021
5714 randebu-hibikorearata.com - - - Jun 2026
5715 rcsschools.in - - - Apr 2026
5716 readerstore.net - - - Sep 2026
5717 rishsarcot.com - - - May 2023
5718 rkjudicialacademy.com - - - Dec 2024
5719 royalhorizonpontasino.com - - - Sep 2026
5720 sacheonline.com - - - Feb 2026
5721 sachiya.jp - - - Nov 2023
5722 sagradacomunidadespiritual.com - - - Jul 2025
5723 sakurayunfan.com - - - Aug 2025
5724 salonaqua.jp - - - Feb 2026
5725 sanbikaki-ec.com - - - Feb 2026
5726 sansei2021.com - - - Aug 2025
5727 santa-apolonia.re - - - Aug 2026
5728 sasaki-tosou.jp - - - Sep 2026
5729 sasicco.shop - - - Dec 2025
5730 sealey.top - - - Sep 2026
5731 seaside-yamato.com - - - Apr 2026
5732 securisacademy.com - - - Jul 2026
5733 sedattayakademi.com - - - May 2025
5734 seoulcamp.net - - - Jul 2026
5735 service-banana-leaf.jp - - - Mar 2026
5736 sfmind.co.jp - - - Oct 2026
5737 sheepdogworldtrial.com - - - Aug 2026
5738 shejalspokenenglishclasses.com - - - May 2023
5739 shinagawaminkyu.com - - - Oct 2026
5740 shinjukuskyhostel.com - - - Mar 2023
5741 shiraz-art.com - - - Dec 2024
5742 shoonie.jp - - - Jul 2023
5743 shop-aps.com - - - Jan 2026
5744 shopdaikoku.com - - - Feb 2026
5745 shun0901.com - - - Mar 2025
5746 sila-academy.net - - - Nov 2025
5747 silent-b-square.com - - - Nov 2023
5748 sinuhambakliinik.ee - - - Jun 2025
5749 sirmahadamer.com - - - Sep 2025
5750 skillworks.ng - - - Jan 2026
5751 smoky83crystal.net - - - Apr 2022
5752 snakk4u.ee - - - Aug 2024
5753 sohonke.jp - - - May 2026
5754 soil-restaurant.jp - - - Jan 2025
5755 sokone-ya.jp - - - May 2025
5756 soluxgymnastics.com - - - Aug 2026
5757 sorry-bootleg-optical.com - - - Jan 2026
5758 spgssingapore.edu.sg - - - Sep 2026
5759 spubgt.co.in - - - Sep 2026
5760 sss-slingshot.com - - - May 2026
5761 stanrakovnik.cz - - - Jul 2026
5762 stdc.edu.in - - - Nov 2023
5763 stiledaregina.it - - - Apr 2022
5764 stores-paca06.fr - - - Apr 2023
5765 streetfightermovie.me - - - Oct 2026
5766 strykerwholesalefireworks.com - - - Jul 2026
5767 studelio.com - - - Aug 2026
5768 sugarjamco.com - - - Jul 2026
5769 sukimagiken.com - - - Oct 2026
5770 supereaglesteam.ro - - - Dec 2025
5771 sushiya-wasabi.jp - - - Jul 2026
5772 swissotelmarianskelazne.com - - - Aug 2026
5773 swissotelthestamford.com - - - Aug 2026
5774 tabby-photo.jp - - - May 2026
5775 tadeojonesmovie.me - - - Oct 2026
5776 taiya-htf.com - - - Jan 2024
5777 taka-farm.jp - - - Aug 2024
5778 taka-nashi-farm.com - - - Sep 2025
5779 takashin-g.co.jp - - - Feb 2026
5780 takesealeather.com - - - Jun 2024
5781 tapdoanthaynghia.vn - - - May 2023
5782 tcgsuch.com - - - Sep 2026
5783 techoutime.com - - - Jun 2026
5784 the-kings-kobe.jp - - - May 2026
5785 themidlandcollege.com - - - Sep 2024
5786 thepmfoundation.com - - - Mar 2026
5787 thesand.jp - - - Mar 2025
5788 thesevendogs.film - - - Jun 2026
5789 theshort.jp - - - Mar 2026
5790 thesilver.academy - - - Oct 2024
5791 tkc-group.jp - - - May 2026
5792 tkjpn.com - - - Apr 2026
5793 tokusei-official.jp - - - Feb 2026
5794 tokyobunka.com - - - Dec 2023
5795 tokyosolua-shop.jp - - - Nov 2025
5796 toolgrid-japan.com - - - Jan 2026
5797 toreca-port.com - - - Oct 2026
5798 toru-leathers.com - - - Dec 2023
5799 tradge.jp - - - Jul 2026
5800 trainic.ec - - - 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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