Websites Powered by JsObservable

5,680 websites tracked using JsObservable (JavaScript libraries) · www.jsviews.com

JsObservable is a JavaScript library used to add functionality to web pages. Its official site is jsviews.com. PoweredBy tracks the websites that use JsObservable 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

Domains observed using JsObservable in each month's HTTP Archive crawl, Jul 2022 to Oct 2026 · peak 2,766 in Oct 2024. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 2,932 JsObservable sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 852
Japan 514
India 401
United Kingdom 399
Indonesia 398
Spain 397
Germany 366
Netherlands 357

Sites using JsObservable by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Professional services 0.07% 38
Government 0.06% 6
Travel and hospitality 0.02% 14
Arts and entertainment 0.02% 8
Education 0.01% 9
Blogs and publishing 0.01% 4
Retail <0.01% 26
Software and apps <0.01% 11
Beauty and wellness <0.01% 2
News and media <0.01% 3
Finance and insurance <0.01% 1
Sports and fitness <0.01% 1

Share of each industry's websites with a detected stack that use JsObservable; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 2% · 6 of 372 sites
8+ <1% · 39 of 7,677 sites
7+ <1% · 127 of 45,712 sites
6+ <1% · 211 of 110,136 sites
5+ <1% · 315 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running JsObservable in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using JsObservable

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
201 bbt.co.jp 6.15/10 1 3 Jul 2022
202 innovaschools.edu.pe 6.14/10 20 188 Jul 2022
203 betocarrero.com.br 6.14/10 1,400 791 Jul 2022
204 akitakata.jp 6.12/10 - 4 May 2024
205 getafe.es 6.10/10 33 175 Mar 2024
206 paysimple.com 6.09/10 11,200 3,910 May 2024
207 mazowieckie.com.pl 6.08/10 20 2 Jul 2022
208 ios-regensburg.de 6.03/10 - - Jul 2022
209 sgic.co.kr 6.02/10 27 17 Feb 2025
210 blcu.edu.cn 6.02/10 2 1 Oct 2025
211 city.ukiha.fukuoka.jp 6.01/10 - - Jul 2022
212 podcastrepublic.net 5.98/10 5,000 14,132 Jul 2022
213 thecmp.org 5.97/10 85,700 14,692 Aug 2022
214 boskalis.com 5.96/10 1,700 1,297 Nov 2023
215 csw.org.uk 5.96/10 820 1,253 Jul 2022
216 lessablesdolonne.fr 5.96/10 190 239 Apr 2025
217 neoscorp.jp 5.95/10 1 5 Jan 2023
218 njau.edu.cn 5.94/10 2 5 Sep 2024
219 sookmyung.ac.kr 5.94/10 190 68 Apr 2025
220 autostoresystem.com 5.91/10 9,200 2,080 May 2026
221 depourense.es 5.91/10 - - Mar 2023
222 geot.jp 5.90/10 - 6 Sep 2022
223 santiagodecompostela.gal 5.90/10 71 4 Jul 2022
224 privateladyescorts.com 5.86/10 - - Sep 2025
225 santacruzdetenerife.es 5.86/10 310 451 Oct 2022
226 hkcna.hk 5.85/10 4 10 Oct 2026
227 fmolhs.org 5.84/10 49,900 27,594 Sep 2023
228 fusionacademy.com 5.82/10 25,000 8,274 Jul 2022
229 diputaciondeburgos.es 5.82/10 - - Jul 2022
230 city.unzen.nagasaki.jp 5.82/10 8 7 Jul 2022
231 jurnal.md 5.79/10 43 176 Jul 2022
232 interstatebatteries.com 5.78/10 276,000 53,314 Nov 2023
233 fujita.co.jp 5.75/10 - 3 Jul 2022
234 alcobendas.org 5.74/10 140 381 Dec 2025
235 aytolalaguna.es 5.73/10 130 720 Jul 2022
236 mashiki.lg.jp 5.72/10 - - Dec 2024
237 salou.cat 5.71/10 15 106 Jun 2026
238 too.com 5.69/10 260 285 Aug 2022
239 eastmidlandsrailway.co.uk 5.69/10 6,200 7,058 Aug 2026
240 compass-group.com 5.69/10 51,500 2,510 Jul 2022
241 calahorra.es 5.69/10 90 280 Jul 2022
242 nlziet.nl 5.66/10 100 239 Jul 2022
243 trugreen.com 5.65/10 149,600 19,196 Aug 2022
244 jmha.or.jp 5.64/10 3 5 Feb 2024
245 kmu.ac.kr 5.62/10 230 35 Dec 2022
246 ab.gr 5.62/10 140 249 Nov 2023
247 balladhealth.org 5.62/10 73,000 27,765 Jul 2022
248 city.yamaga.kumamoto.jp 5.62/10 - - Nov 2022
249 daisen.jp 5.62/10 - 1 Apr 2026
250 provincia.le.it 5.59/10 150 221 May 2025
251 fuengirola.es 5.57/10 140 441 Feb 2024
252 takahashishoten.co.jp 5.55/10 12 17 Jul 2022
253 vilanova.cat 5.53/10 13 70 Feb 2023
254 samequizy.pl 5.53/10 85 1,244 May 2025
255 kp.gov.pk 5.52/10 7,000 1,248 Nov 2022
256 samediggi.fi 5.52/10 36 30 Feb 2024
257 verkehr.nrw 5.51/10 71 116 Jul 2022
258 deutsche-evergabe.de 5.48/10 2 19 Sep 2022
259 albacete.es 5.46/10 12 13 Apr 2024
260 visitnara.jp 5.46/10 40,100 1,361 Jul 2022
261 pamatniknarodnihopisemnictvi.cz 5.45/10 - - Jul 2022
262 studygolang.com 5.44/10 22 485 Jul 2022
263 pontoverde.pt 5.44/10 1 22 Aug 2023
264 somaiya.edu 5.44/10 67 138 Jul 2022
265 sanjavier.es 5.43/10 1 9 Jul 2022
266 gather.app 5.42/10 7,300 8,017 Apr 2025
267 kibo.or.kr 5.40/10 1 4 Jan 2023
268 tenri-u.ac.jp 5.40/10 20 38 May 2026
269 neea.cn 5.36/10 - - Aug 2022
270 sectra.com 5.36/10 180 25 Jul 2022
271 brandnewday.nl 5.34/10 - 1 Sep 2025
272 badalona.cat 5.34/10 10 42 Jul 2022
273 cabildodelapalma.es 5.34/10 48 31 Nov 2022
274 step.or.kr 5.32/10 3 12 Mar 2024
275 bayhealth.org 5.31/10 27,100 9,690 Jul 2022
276 unimedia.info 5.31/10 160 215 Mar 2026
277 parentmail.co.uk 5.30/10 3 1 Jul 2022
278 readsquared.com 5.30/10 - - Aug 2022
279 drinkaware.ie 5.30/10 6,600 2,918 Jul 2022
280 thesnowpros.org 5.30/10 20,500 4,714 Jul 2022
281 gcaa.gov.ae 5.30/10 900 472 Sep 2024
282 bantulkab.go.id 5.30/10 2,700 9,489 Sep 2026
283 fapes.es.gov.br 5.30/10 150 100 May 2024
284 alcoi.org 5.30/10 22 137 Jul 2022
285 amakusa-web.jp 5.30/10 - - Jul 2022
286 hqu.edu.cn 5.29/10 - 1 Jun 2025
287 lotteshopping.com 5.29/10 7 24 Jul 2022
288 iris.go.kr 5.29/10 570 16 Jul 2022
289 teruel.es 5.29/10 15 74 May 2025
290 mtmlabo.com 5.28/10 100 26 Jan 2023
291 hetoranjekruis.nl 5.28/10 2 5 Jul 2026
292 saveecobot.com 5.28/10 460 276 Jul 2022
293 ecareer.ne.jp 5.28/10 - 2 Jul 2022
294 saishin.co.jp 5.28/10 6 5 Jul 2022
295 kesco.or.kr 5.27/10 4 2 Oct 2026
296 balticexchange.com 5.27/10 800 587 Jul 2022
297 naj.co.uk 5.27/10 1,100 561 Jul 2022
298 lantmannen.com 5.27/10 150 239 May 2023
299 arquia.com 5.24/10 6 72 Jul 2022
300 havemann-gesellschaft.de 5.22/10 - 8 Jul 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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