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
5401 e87.net 0.09/10 - - Dec 2025
5402 fudousan-kanteishi-study.net 0.09/10 - - Jan 2026
5403 fujiwaranosato.net 0.09/10 - - Jan 2026
5404 geo-stone.net 0.09/10 - - Nov 2023
5405 gifu-miroku.net 0.09/10 - - May 2024
5406 hairsalon-r.net 0.09/10 - - Sep 2026
5407 instant-bootleg.net 0.09/10 - - Jun 2025
5408 karada-doctor.net 0.09/10 - - Oct 2026
5409 kinenmedal.net 0.09/10 - - Aug 2025
5410 kizuna-houmon.net 0.09/10 - - Apr 2024
5411 lazyswan.net 0.09/10 - - Jun 2025
5412 magicalshop.net 0.09/10 - - Mar 2026
5413 paperletter.net 0.09/10 - - Oct 2025
5414 rail-color.net 0.09/10 - - Oct 2024
5415 sglife.net 0.09/10 - - Jun 2026
5416 shinshu-sansai.net 0.09/10 - - Dec 2021
5417 sweet-cottage.net 0.09/10 - - Jul 2022
5418 utuwanoayameya.net 0.09/10 - - Dec 2022
5419 vrfoundation.net 0.09/10 - - May 2025
5420 wakou-s.net 0.09/10 - - Feb 2024
5421 wise-clothing.net 0.09/10 - - Nov 2023
5422 compressorholod.ru 0.09/10 - - Aug 2023
5423 glossalg.ru 0.09/10 - - Oct 2024
5424 plbeton.ru 0.09/10 - - May 2026
5425 tyinpink.top - - - Sep 2026
5426 oyunculukkapisi.com - - - Feb 2026
5427 salrs.ru - - - Oct 2026
5428 sarahmarie.ru - - - Oct 2025
5429 ttpink.ru - - - Oct 2026
5430 zozzz.ru - - - Oct 2026
5431 3d-moto-craft.com - - - Jul 2025
5432 4mple-lab.com - - - Nov 2025
5433 5mil-studio.com - - - May 2026
5434 abound-shop.com - - - Jul 2025
5435 academiavanza.edu.pe - - - Jan 2026
5436 actifyz.com - - - Sep 2025
5437 adnew.jp - - - Mar 2026
5438 adult-kaishu.com - - - Sep 2026
5439 adv-factory.jp - - - Jul 2025
5440 agrosol.ee - - - Jul 2025
5441 ak-dental-clinic.com - - - Jun 2026
5442 akaga-ra.jp - - - Oct 2026
5443 aksseir.film - - - Sep 2026
5444 alicestyle.net - - - Jul 2026
5445 allcomic-set.com - - - Jun 2026
5446 alnamooscollections.ae - - - Mar 2026
5447 amber-mensclinic.jp - - - Oct 2026
5448 andreapop.com - 110 24 May 2025
5449 andrei-diaconu.com - - - Nov 2024
5450 aozora-oyatsu.com - - - Jan 2026
5451 apcheers.com - - - Dec 2024
5452 aperto-run.com - - - Nov 2024
5453 appreciatestore.com - - 4 Jan 2024
5454 apsarose.jp - - - Sep 2026
5455 aquasolisspahotel.com - - - Jun 2026
5456 armastusegakreekast.ee - - - Nov 2025
5457 armssilver.com - - - Aug 2024
5458 asakuramarina.com - - - Apr 2022
5459 asfalt056.ru - - - May 2023
5460 auwgiawg.com - - - Apr 2026
5461 avijitsamuh.com - - - Aug 2025
5462 azs-shop.com - - - Nov 2022
5463 b-m-annie.com - - - Jan 2026
5464 bagdiacancerhospital.com - 7 3 Aug 2022
5465 baijuken.jp - - - Sep 2023
5466 baikal-towermansion.jp - - - Apr 2025
5467 balochito.com - - - Nov 2025
5468 baryfromthenorm.com - - - May 2026
5469 beat-swing.com - - - Feb 2023
5470 beautylabor.ru - - - Apr 2024
5471 bebetter.study - - - May 2024
5472 bendang.com - - - Apr 2026
5473 benriya-shizuri.com - - - Aug 2026
5474 benriyasmilehonpo.jp - - - Apr 2026
5475 bentanihotel.com - - - Mar 2026
5476 bintanvintage.shop - - - Feb 2024
5477 bloodo-crew.jp - - - May 2026
5478 bluegenixtechnologies.com - - - Jun 2026
5479 bluelock-ec.jp - - - Jul 2026
5480 bmkonzo.com - - - Jul 2026
5481 boramauniversity.com - - - Nov 2025
5482 borgodeigatti.it - - - Oct 2026
5483 boulangeriejamand.jp - - - Sep 2026
5484 boutechhotelsdadaocheng.com - - - Sep 2026
5485 brickwallsandbarricades.jp - - - Dec 2021
5486 brown-restaurant.com - - - Sep 2025
5487 bunnys-sanctuary.com - - - Mar 2024
5488 butterroom9.com - - - Jan 2025
5489 callebikes.com - - - Dec 2024
5490 camaralaromana.com.do - - - May 2026
5491 caterinaapruzzese.it - - - Feb 2026
5492 catnap-bg.com - - - Jun 2024
5493 ccns.school - - 1 Sep 2025
5494 ceduca.edu.pe - - - Aug 2024
5495 chalgrin.co.jp - - - Mar 2024
5496 cheerfulpower.co.jp - - - Jun 2026
5497 cherryville.eu - 15 23 Jul 2025
5498 cisl-togo.com - - - Aug 2024
5499 citycashatlantique.fr - - - Aug 2024
5500 clen.tokyo - - - 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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