Websites Powered by Isotope
2,607,841 websites tracked using Isotope (JavaScript libraries) · isotope.metafizzy.co
Isotope is a JavaScript library used to add functionality to web pages. Its official site is isotope.metafizzy.co. PoweredBy tracks the websites that use Isotope across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.
Usage trend
500K
1M
1.5M
Jun 2021
Oct 2022
Feb 2024
May 2025
Sep 2026
Domains observed using Isotope in each month's HTTP Archive crawl,
Jun 2021 to Sep 2026 · peak 1,122,803 in Mar 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.3 s
INP 75 ms
CLS 0
TTFB 1100 ms
Median site among 817,978 Isotope sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
127,257
India
87,064
Italy
67,628
Germany
62,527
Spain
53,030
France
48,962
United Kingdom
46,894
Brazil
42,603
Sites using Isotope by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Arts and entertainment | 13.93% | 5,749 |
| News and media | 9.22% | 3,880 |
| Pets and animals | 7.61% | 210 |
| Education | 7.28% | 3,626 |
| Professional services | 6.98% | 2,874 |
| Home and construction | 6.81% | 3,241 |
| Beauty and wellness | 6.74% | 1,736 |
| Non-profit and religious | 6.67% | 522 |
| Travel and hospitality | 6.48% | 4,815 |
| Government | 5.87% | 472 |
| Sports and fitness | 5.78% | 963 |
| Blogs and publishing | 5.45% | 1,337 |
Share of each industry's websites with a detected stack that use Isotope; industries come from what sites declare in their own structured data.
Top sites by authority
9+
15% · 56 of 372 sites
8+
10% · 779 of 7,677 sites
7+
6% · 2,969 of 45,712 sites
6+
5% · 5,970 of 110,136 sites
5+
5% · 11,534 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Isotope in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Isotope
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 3001 | confartigianato.it | 6.98/10 | 53 | 97 | Jun 2021 |
| 3002 | cameramoda.it | 6.98/10 | 140 | 222 | Jul 2021 |
| 3003 | 1gb.ua | 6.98/10 | - | 1 | Jun 2021 |
| 3004 | mozarteum.at | 6.98/10 | 2,000 | 351 | Jul 2021 |
| 3005 | whistleblower.org | 6.98/10 | 13,000 | 1,675 | Oct 2024 |
| 3006 | euromedmonitor.org | 6.98/10 | 950 | 751 | Oct 2021 |
| 3007 | conventioncitoyennepourleclimat.fr | 6.98/10 | 7 | 14 | Jul 2021 |
| 3008 | thelondoner.me | 6.97/10 | 1,200 | 1,059 | Jul 2021 |
| 3009 | jegtheme.com | 6.97/10 | - | - | Jun 2021 |
| 3010 | slixa.com | 6.97/10 | 190 | 234 | Jul 2021 |
| 3011 | elciudadano.com | 6.97/10 | 1,900 | 4,523 | May 2026 |
| 3012 | csu.edu.cn | 6.97/10 | 66 | 6 | Nov 2022 |
| 3013 | zucchetti.it | 6.97/10 | 190 | 189 | Jul 2021 |
| 3014 | rks-gov.net | 6.97/10 | - | - | Oct 2021 |
| 3015 | martenscentre.eu | 6.97/10 | 220 | 371 | Jul 2021 |
| 3016 | simpleshow.com | 6.97/10 | 1,200 | 1,975 | Jul 2021 |
| 3017 | mahindra.com | 6.97/10 | 2,200 | 2,341 | May 2023 |
| 3018 | blinklist.com | 6.97/10 | 1,200 | 1,542 | Apr 2026 |
| 3019 | 1854.photography | 6.97/10 | 3,100 | 3,319 | Jul 2021 |
| 3020 | cambridgeshire.gov.uk | 6.97/10 | 1,700 | 1,701 | Feb 2025 |
| 3021 | nvoad.org | 6.97/10 | 1,000 | 201 | Jul 2021 |
| 3022 | az.pl | 6.97/10 | - | 11 | Jul 2021 |
| 3023 | ren21.net | 6.97/10 | 2,100 | 817 | Jul 2021 |
| 3024 | ssafa.org.uk | 6.97/10 | 170 | 243 | Jul 2025 |
| 3025 | gov.cv | 6.97/10 | - | - | Sep 2021 |
| 3026 | tm.org | 6.97/10 | 58,400 | 1,798 | Jun 2021 |
| 3027 | houstonfoodbank.org | 6.97/10 | 48,100 | 19,768 | Jun 2021 |
| 3028 | knust.edu.gh | 6.97/10 | 1,300 | 348 | Jan 2022 |
| 3029 | una.py | 6.97/10 | 180 | 364 | Aug 2021 |
| 3030 | uacrisis.org | 6.97/10 | 560 | 972 | Mar 2024 |
| 3031 | unilibro.it | 6.97/10 | 61 | 653 | Sep 2024 |
| 3032 | insa-toulouse.fr | 6.97/10 | 240 | 81 | Jun 2021 |
| 3033 | udd.cl | 6.97/10 | 610 | 455 | Aug 2022 |
| 3034 | edu.krd | 6.97/10 | - | - | Jun 2021 |
| 3035 | tv2000.it | 6.97/10 | 340 | 512 | Jul 2021 |
| 3036 | cfl.ca | 6.97/10 | 88,300 | 19,372 | Aug 2021 |
| 3037 | life.edu | 6.97/10 | 35,300 | 6,860 | Jun 2021 |
| 3038 | kulturlegi.ch | 6.97/10 | 8 | 39 | Jul 2021 |
| 3039 | platform31.nl | 6.97/10 | 1 | 12 | Apr 2023 |
| 3040 | tponepal.org | 6.96/10 | 10 | 11 | Jul 2021 |
| 3041 | byrna.com | 6.96/10 | 28,600 | 15,839 | Jul 2023 |
| 3042 | barnardos.ie | 6.96/10 | 100 | 136 | Jul 2021 |
| 3043 | populismstudies.org | 6.96/10 | 36,100 | 3,795 | Jul 2021 |
| 3044 | workana.com | 6.96/10 | 5,300 | 4,350 | Jul 2021 |
| 3045 | iimk.ac.in | 6.96/10 | 400 | 265 | Jul 2021 |
| 3046 | medline.com | 6.96/10 | 248,800 | 74,944 | Jul 2021 |
| 3047 | gov.am | 6.96/10 | 49,100 | 328 | Feb 2023 |
| 3048 | fiware.org | 6.96/10 | 7,200 | 100 | Jul 2021 |
| 3049 | tn.edu.tw | 6.96/10 | - | - | Aug 2021 |
| 3050 | knu.ac.kr | 6.96/10 | 15 | 88 | Nov 2021 |
| 3051 | philasd.org | 6.96/10 | 51,400 | 30,834 | Oct 2022 |
| 3052 | cg.gov.in | 6.96/10 | - | - | Feb 2022 |
| 3053 | sedipualba.es | 6.96/10 | - | 7 | Jun 2021 |
| 3054 | allgaeuer-zeitung.de | 6.96/10 | 670 | 1,928 | Aug 2022 |
| 3055 | b-b-e.de | 6.96/10 | 13 | 14 | Jul 2021 |
| 3056 | nu.or.id | 6.96/10 | 560 | 354 | Apr 2023 |
| 3057 | yildiz.edu.tr | 6.96/10 | 990 | 23 | Jun 2021 |
| 3058 | ptk.org | 6.96/10 | 28,200 | 11,402 | Aug 2022 |
| 3059 | wuft.org | 6.96/10 | 35,100 | 30,026 | Sep 2026 |
| 3060 | ionio.gr | 6.96/10 | 230 | 84 | Jul 2021 |
| 3061 | setonhill.edu | 6.96/10 | 7,900 | 4,797 | Jul 2021 |
| 3062 | bhu.ac.in | 6.96/10 | 4,700 | 4,842 | Jan 2022 |
| 3063 | multiplayer.it | 6.96/10 | 3,500 | 10,057 | Jun 2021 |
| 3064 | medicisenzafrontiere.it | 6.96/10 | 360 | 178 | Jul 2021 |
| 3065 | laundrynation.com | 6.96/10 | 40 | 119 | Jul 2021 |
| 3066 | naomiklein.org | 6.96/10 | 5,200 | 261 | Jun 2021 |
| 3067 | unsrat.ac.id | 6.96/10 | 9 | 43 | Oct 2021 |
| 3068 | semarangkota.go.id | 6.96/10 | 74 | 2 | Jun 2021 |
| 3069 | uin-alauddin.ac.id | 6.96/10 | 120 | 135 | Jun 2021 |
| 3070 | theraplatform.com | 6.95/10 | 63,900 | 18,032 | Feb 2022 |
| 3071 | nextafter.com | 6.95/10 | 440 | 243 | Jun 2021 |
| 3072 | vmix.com | 6.95/10 | 9,500 | 10,983 | Oct 2023 |
| 3073 | ktu.edu.tr | 6.95/10 | 270 | 555 | Jul 2021 |
| 3074 | stiftung-kinder-forschen.de | 6.95/10 | 130 | 15 | Jun 2023 |
| 3075 | itg.be | 6.95/10 | 150 | 297 | Aug 2022 |
| 3076 | napsa-now.org | 6.95/10 | 15,300 | 1,232 | Sep 2022 |
| 3077 | folio3.com | 6.95/10 | 83 | 284 | Jun 2021 |
| 3078 | fsk.de | 6.95/10 | 27 | 37 | Apr 2025 |
| 3079 | mj.pt | 6.95/10 | - | - | Oct 2022 |
| 3080 | mofa.gov.sa | 6.95/10 | 74,400 | 2,791 | Feb 2026 |
| 3081 | newcivilengineer.com | 6.95/10 | 3,000 | 5,090 | Aug 2022 |
| 3082 | strathmore.edu | 6.95/10 | 1,900 | 537 | Jul 2021 |
| 3083 | nrsc.gov.in | 6.95/10 | 510 | 1,265 | Oct 2021 |
| 3084 | baskinrobbins.com | 6.95/10 | 155,600 | 32,547 | Jul 2021 |
| 3085 | dlsu.edu.ph | 6.95/10 | 4,400 | 4,555 | Jun 2021 |
| 3086 | gazi.edu.tr | 6.95/10 | 130 | 65 | Jun 2021 |
| 3087 | immigration.ca | 6.95/10 | 7,000 | 7,688 | Aug 2021 |
| 3088 | sundayguardianlive.com | 6.95/10 | 11,600 | 11,386 | Jul 2025 |
| 3089 | bioengineer.org | 6.95/10 | 30,900 | 40,869 | Jul 2021 |
| 3090 | itam.mx | 6.95/10 | 240 | 457 | Jun 2021 |
| 3091 | jewishagency.org | 6.95/10 | 12,300 | 1,989 | Jul 2021 |
| 3092 | u2.com | 6.95/10 | 63,400 | 4,431 | Mar 2026 |
| 3093 | djtechtools.com | 6.95/10 | 47,600 | 3,337 | Mar 2024 |
| 3094 | eap.gr | 6.95/10 | 29 | 77 | Jul 2021 |
| 3095 | skema.edu | 6.95/10 | 2,200 | 1,405 | Nov 2021 |
| 3096 | murcia.es | 6.95/10 | 10 | 29 | Jun 2021 |
| 3097 | ce.nl | 6.95/10 | 190 | 22 | Jul 2021 |
| 3098 | open-xchange.com | 6.94/10 | 290 | 245 | Jul 2026 |
| 3099 | posunemevasvys.cz | 6.94/10 | - | - | Jun 2021 |
| 3100 | sjp.co.uk | 6.94/10 | 1,800 | 2,073 | Jun 2022 |
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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