Websites Powered by Isotope
2,601,080 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
Jan 2024
May 2025
Aug 2026
Domains observed using Isotope in each month's HTTP Archive crawl,
Jun 2021 to Aug 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 821,743 Isotope sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
130,904
India
89,398
Italy
63,894
Germany
63,666
Spain
49,599
France
48,257
United Kingdom
47,564
Brazil
44,413
Sites using Isotope by audience country, Chrome UX Report.
Top sites by authority
9+
15% · 55 of 372 sites
8+
10% · 794 of 7,677 sites
7+
7% · 3,009 of 45,712 sites
6+
6% · 6,069 of 110,136 sites
5+
5% · 11,729 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 |
|---|---|---|---|---|---|
| 1301 | ual.es | 7.60/10 | 610 | 588 | Jul 2021 |
| 1302 | pwc.ch | 7.60/10 | 570 | 1,085 | Jul 2021 |
| 1303 | performance.gov | 7.59/10 | 76,300 | 3,702 | Jul 2021 |
| 1304 | ku.edu.tr | 7.59/10 | 530 | 170 | Jun 2021 |
| 1305 | aidshilfe.de | 7.59/10 | 580 | 325 | Sep 2021 |
| 1306 | sfdora.org | 7.59/10 | 2,500 | 316 | Jun 2021 |
| 1307 | vzp.cz | 7.59/10 | 63 | 221 | Aug 2022 |
| 1308 | ffrandonnee.fr | 7.59/10 | 150 | 307 | May 2024 |
| 1309 | slv.vic.gov.au | 7.59/10 | 5,000 | 2,170 | Jul 2021 |
| 1310 | unas.cz | 7.59/10 | - | - | Dec 2021 |
| 1311 | tni.org | 7.59/10 | 9,200 | 5,027 | Feb 2022 |
| 1312 | lillemetropole.fr | 7.59/10 | 290 | 297 | Aug 2022 |
| 1313 | vedos.cz | 7.58/10 | 26 | 26 | Mar 2025 |
| 1314 | adventhealth.com | 7.58/10 | 600,100 | 291,301 | Jan 2026 |
| 1315 | gamescom.global | 7.58/10 | 20,800 | 2,666 | Dec 2025 |
| 1316 | nccu.edu.tw | 7.58/10 | 840 | 186 | Jun 2021 |
| 1317 | childcareaware.org | 7.58/10 | 14,100 | 6,436 | Jul 2021 |
| 1318 | geo-online.co.jp | 7.58/10 | - | 9 | Jul 2021 |
| 1319 | essen.de | 7.58/10 | 2,200 | 370 | Feb 2026 |
| 1320 | du.ac.in | 7.58/10 | 7,800 | 10,871 | Jun 2021 |
| 1321 | cinematheque.fr | 7.58/10 | 1,800 | 1,910 | Jul 2021 |
| 1322 | sescsp.org.br | 7.58/10 | 730 | 2,057 | Jun 2021 |
| 1323 | ub.ac.id | 7.58/10 | 620 | 151 | Jun 2021 |
| 1324 | liquid-themes.com | 7.57/10 | 21 | 1 | Mar 2022 |
| 1325 | surecart.com | 7.57/10 | 180 | 451 | May 2025 |
| 1326 | lge.com | 7.57/10 | - | - | Jan 2022 |
| 1327 | coupang.com | 7.57/10 | 10,500 | 978 | Jul 2021 |
| 1328 | gib.gov.tr | 7.57/10 | 390 | 440 | Mar 2023 |
| 1329 | seeedstudio.com | 7.57/10 | 24,100 | 10,895 | Jul 2021 |
| 1330 | janegoodall.org | 7.57/10 | 13,200 | 3,226 | Jul 2021 |
| 1331 | maynoothuniversity.ie | 7.57/10 | 19,700 | 6,126 | Jun 2024 |
| 1332 | ubbcluj.ro | 7.57/10 | 110 | 11 | Jun 2021 |
| 1333 | itu.edu.tr | 7.57/10 | 40 | 90 | Jun 2021 |
| 1334 | sonoma.edu | 7.57/10 | 21,600 | 5,798 | Jul 2021 |
| 1335 | stjohns.edu | 7.57/10 | 115,100 | 50,343 | Jul 2021 |
| 1336 | columbus.gov | 7.57/10 | 221,500 | 83,690 | Oct 2022 |
| 1337 | parisnanterre.fr | 7.57/10 | 170 | 200 | Nov 2021 |
| 1338 | univ-brest.fr | 7.57/10 | 97 | 210 | Jun 2021 |
| 1339 | enterprisedb.com | 7.56/10 | 8,600 | 7,821 | Feb 2023 |
| 1340 | justica.gov.pt | 7.56/10 | 1,400 | 1,960 | Apr 2024 |
| 1341 | wimbledon.com | 7.56/10 | 232,200 | 22,765 | Jan 2023 |
| 1342 | bnm.gov.my | 7.56/10 | 82,500 | 23,567 | Jul 2021 |
| 1343 | fssai.gov.in | 7.56/10 | 2,400 | 5,539 | Jun 2021 |
| 1344 | rnli.org | 7.56/10 | 5,800 | 5,986 | Aug 2023 |
| 1345 | mec.pt | 7.56/10 | - | - | Jul 2021 |
| 1346 | min-saude.pt | 7.56/10 | - | - | Jan 2023 |
| 1347 | aau.at | 7.56/10 | 2,300 | 833 | Jun 2021 |
| 1348 | uni-erfurt.de | 7.56/10 | 1,700 | 791 | Aug 2022 |
| 1349 | uonbi.ac.ke | 7.56/10 | 2,100 | 880 | Jun 2021 |
| 1350 | pwc.nl | 7.56/10 | 830 | 831 | Jun 2021 |
| 1351 | amraandelma.com | 7.55/10 | 6,400 | 6,485 | May 2022 |
| 1352 | iodonna.it | 7.55/10 | 1,900 | 4,120 | Jul 2021 |
| 1353 | kobv.de | 7.55/10 | - | 3 | Jun 2021 |
| 1354 | indire.it | 7.55/10 | 80 | 202 | Jun 2021 |
| 1355 | pima.gov | 7.55/10 | 274,600 | 84,493 | May 2025 |
| 1356 | udg.edu | 7.55/10 | 370 | 262 | Dec 2024 |
| 1357 | mie-u.ac.jp | 7.55/10 | 55 | 117 | May 2023 |
| 1358 | broadsheet.com.au | 7.55/10 | 15,200 | 24,051 | Jul 2021 |
| 1359 | ladocumentationfrancaise.fr | 7.55/10 | - | - | Aug 2025 |
| 1360 | iab-forum.de | 7.54/10 | 57 | 72 | Jul 2021 |
| 1361 | thefintechtimes.com | 7.54/10 | 1,300 | 3,189 | Jul 2021 |
| 1362 | indec.gob.ar | 7.54/10 | 1,500 | 3,360 | Jul 2021 |
| 1363 | regione.marche.it | 7.54/10 | 200 | 428 | Jun 2021 |
| 1364 | gujarat.gov.in | 7.54/10 | - | - | Oct 2021 |
| 1365 | art.museum | 7.54/10 | - | - | Apr 2026 |
| 1366 | amiami.jp | 7.54/10 | 200 | 262 | Oct 2024 |
| 1367 | uec.ac.jp | 7.54/10 | 33 | 68 | Jan 2023 |
| 1368 | univ-angers.fr | 7.54/10 | 390 | 353 | Jul 2021 |
| 1369 | zhp.pl | 7.53/10 | 35 | 46 | Jun 2021 |
| 1370 | bnotk.de | 7.53/10 | 73 | 20 | Jul 2021 |
| 1371 | co.no | 7.53/10 | - | - | Sep 2021 |
| 1372 | uk.gov.in | 7.53/10 | 820 | 8 | Jul 2021 |
| 1373 | urologyhealth.org | 7.53/10 | 238,400 | 45,971 | Jul 2021 |
| 1374 | zmescience.com | 7.53/10 | 100,500 | 99,803 | Jan 2023 |
| 1375 | ipb.ac.id | 7.53/10 | 6,900 | 4,130 | Jun 2021 |
| 1376 | liginc.co.jp | 7.53/10 | 2 | 33 | Oct 2023 |
| 1377 | socialtic.org | 7.52/10 | - | 5 | Jun 2021 |
| 1378 | pythonanywhere.com | 7.52/10 | 4,000 | 5,530 | Jun 2021 |
| 1379 | lens.org | 7.52/10 | 860 | 1,786 | Jul 2024 |
| 1380 | firstdraftnews.org | 7.52/10 | 1,600 | 478 | Jul 2021 |
| 1381 | hcpc-uk.org | 7.52/10 | 6,100 | 7,101 | Mar 2024 |
| 1382 | personneltoday.com | 7.52/10 | 610 | 1,988 | Jul 2021 |
| 1383 | ktb.gov.tr | 7.52/10 | 12,200 | 2,446 | Jul 2021 |
| 1384 | willamette.edu | 7.52/10 | 18,500 | 5,877 | Jun 2021 |
| 1385 | ktn.gv.at | 7.52/10 | 240 | 149 | Jul 2026 |
| 1386 | celiac.org | 7.52/10 | 214,000 | 51,189 | Jul 2021 |
| 1387 | ntnu.edu.tw | 7.52/10 | 180 | 38 | Jun 2021 |
| 1388 | kompas.id | 7.52/10 | 2,300 | 4,519 | Aug 2022 |
| 1389 | pucpr.br | 7.52/10 | 300 | 464 | Jul 2021 |
| 1390 | iclei.org | 7.52/10 | 2,600 | 501 | Jul 2021 |
| 1391 | orange.es | 7.52/10 | 1,200 | 4,310 | Jul 2021 |
| 1392 | iscte-iul.pt | 7.52/10 | 550 | 313 | Jul 2021 |
| 1393 | gdynia.pl | 7.52/10 | 120 | 351 | Jun 2021 |
| 1394 | larioja.org | 7.51/10 | 340 | 1,468 | May 2023 |
| 1395 | britishlegion.org.uk | 7.51/10 | 19,400 | 11,302 | Jul 2021 |
| 1396 | hee.nhs.uk | 7.51/10 | 4,400 | 2,817 | Jul 2021 |
| 1397 | taiwan.net.tw | 7.51/10 | 120 | 22 | Nov 2021 |
| 1398 | yonsei.ac.kr | 7.51/10 | 15,500 | 1,761 | Nov 2021 |
| 1399 | childrensnational.org | 7.51/10 | 87,800 | 39,502 | Jul 2021 |
| 1400 | deutsche-stiftung-engagement-und-ehrenamt.de | 7.51/10 | 12 | 28 | Jul 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) →
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