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 6,123 Intersection Observer sites with Chrome UX data, p75 values, Sep 2026.

Top countries

Japan 3,623
India 491
United States 491
France 394
Italy 321
United Kingdom 302
Germany 278
Indonesia 254

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
5501 clinique-veterinaire-deuxcaps.fr - - - Sep 2023
5502 clubxshirts.com - - 1 Dec 2024
5503 collectionne.net - - - Nov 2024
5504 content-fabrics.com - - - Jul 2024
5505 corfulinebus.com - - 6 Jun 2023
5506 cowichanfamily.jp - 2 2 Nov 2025
5507 coyotevsacme.com.au - - - Sep 2026
5508 crece.edu.bo - - 1 Jun 2025
5509 csangola.ao - - - Mar 2025
5510 cswithsk.com - - - May 2026
5511 daimarushop.com - - - Jan 2025
5512 dat-academy.co - - - Nov 2023
5513 ddory.top - - - Sep 2026
5514 digitaltutor.gr - - - May 2023
5515 doran-jp.com - - - Aug 2026
5516 drnokkari.com - - - Sep 2026
5517 ds-ujiie.co.jp - - - Jul 2023
5518 durawork.jp - - - Oct 2026
5519 ebpra-expert.fr - - - Nov 2021
5520 eclatbridal.jp - - - Sep 2026
5521 eco-reuse.co.jp - - - Sep 2026
5522 edusup.net - - - Oct 2025
5523 eichenbaum.jp - - - Jun 2026
5524 eidai-knit.co.jp - - - Jan 2023
5525 enbu-teppan.jp - - - Jun 2026
5526 enknot.site - - - Oct 2026
5527 ensin-japan.com - - - Feb 2026
5528 estilodalben.com.br - - - Oct 2023
5529 fairmonthanoi.com - - - Apr 2026
5530 familink-fudosan.com - - - Oct 2026
5531 fatcats.jp - - - Feb 2026
5532 fff-food.com - - - Jun 2026
5533 fisiocentro.cl - - - Dec 2023
5534 fitnessworkoutguide.com - - - Jun 2026
5535 flight-base.com - - - Jun 2026
5536 forcustomer.net - - - Dec 2024
5537 forevergrace-official.com - - - Dec 2025
5538 fortrealacademy.com - - - Jul 2026
5539 foxychat.net - - - Sep 2025
5540 frankiesexetertaxis.co.uk - - - May 2023
5541 frederic-pochon.fr - - - May 2023
5542 fsuniversity.co.in - - - Sep 2026
5543 ftscrafts.shop - - - Aug 2022
5544 fujiyamasuisan.co.jp - - - Aug 2026
5545 fukunishiartisanco.jp - - - Aug 2026
5546 funmydellaacademy.com - - - Dec 2024
5547 funyu-kabuki.jp - - - Dec 2025
5548 gabinetyneuromedi.pl - - - Jul 2024
5549 gainmedia.cc - - - Sep 2025
5550 gamramountainresort.com - - - Aug 2026
5551 gas-can-kaishu.jp - - - Sep 2026
5552 gck-consulting.id - - - Oct 2026
5553 gcmalayinkeezhu.ac.in - - - Jun 2023
5554 gemnoir.jp - - - Mar 2023
5555 giko307.com - - - Oct 2025
5556 gion-kanoya.shop - - - Sep 2023
5557 gomchudaucaocap.vn - - - May 2023
5558 grandpermatahijau.com - - - Dec 2025
5559 green-colors.jp - - - Nov 2025
5560 gtic.com.ng - - - Dec 2024
5561 hairsalon-shiro.jp - - - Apr 2025
5562 hamovel.co.il - - - Jul 2026
5563 hanajp.shop - - - Jul 2025
5564 hanasho.shop - - - Jan 2026
5565 hapstore.net - - - Aug 2024
5566 harapekoclub.jp - - - Sep 2026
5567 hausarztpraxis-hoechberg.de - - - Feb 2024
5568 heartofthebeast.me - - - Oct 2026
5569 hexapot.jp - - - Sep 2026
5570 hiranoanimal.jp - - - Apr 2024
5571 hitotsubunokagayaki.jp - - - Aug 2026
5572 holydays.com.au - - - Aug 2026
5573 home-et-lia-meubles.fr - - - Oct 2022
5574 honey-indoordogrun-821.jp - - - Sep 2026
5575 hoteldonnacrescenza.it - - - Oct 2024
5576 house-reef.com - - - Jan 2024
5577 huh.tokyo - - - Oct 2025
5578 i-baca.com - - - Nov 2023
5579 i-wall.jp - - - May 2026
5580 ibisistanbulesenyurt.com - - - Aug 2025
5581 icdpvillamaria.com.ar - - - Jul 2025
5582 ichinohajimari.com - - - Feb 2026
5583 idm.ac.ls - - - Feb 2026
5584 ihugure.com - - - Feb 2026
5585 iink.okinawa.jp - - - Jan 2025
5586 institutobatistacentral.com.br - - - Aug 2026
5587 janavrach.ru - - - Mar 2024
5588 janeladesonhos.pt - - - Aug 2025
5589 japan-sword.com - - - Oct 2024
5590 jewellix.shop - - - Feb 2026
5591 joginsa.sc.ug - - - Jan 2026
5592 joshikaisumo.com - - - Mar 2026
5593 joy-ya-job.jp - - - Jun 2026
5594 jyukumon-higobashi.jp - - - Aug 2026
5595 k-sosin-lab.com - - - Sep 2026
5596 kaand.top - - - Sep 2026
5597 kaitoridaikichi-nagoyakurokawa.jp - - - Sep 2026
5598 kaizenanalytic.pk - - - Sep 2026
5599 kanakana.shop - - - Feb 2024
5600 kanteishi-kirin.com - - - Nov 2021

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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