Websites Powered by Howler.js
70,067 websites tracked using Howler.js (JavaScript libraries) · howlerjs.com
Howler.js is a JavaScript library used to add functionality to web pages. Its official site is howlerjs.com. PoweredBy tracks the websites that use Howler.js 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
5K
10K
15K
20K
Jul 2021
Oct 2022
Feb 2024
May 2025
Aug 2026
Domains observed using Howler.js in each month's HTTP Archive crawl,
Jul 2021 to Aug 2026 · peak 18,356 in May 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.3 s
INP 100 ms
CLS 0
TTFB 700 ms
Median site among 19,712 Howler.js sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
7,062
India
3,692
United Kingdom
3,459
Germany
3,092
Canada
2,912
Brazil
2,740
France
2,707
Netherlands
2,403
Sites using Howler.js by audience country, Chrome UX Report.
Top sites by authority
9+
5% · 19 of 372 sites
8+
2% · 184 of 7,677 sites
7+
1% · 593 of 45,712 sites
6+
<1% · 1,020 of 110,136 sites
5+
<1% · 1,525 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Howler.js in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Howler.js
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 201 | ucr.ac.cr | 7.90/10 | 3,300 | 1,872 | Jul 2021 |
| 202 | iabtechlab.com | 7.89/10 | 2,800 | 1,329 | Sep 2025 |
| 203 | kalw.org | 7.89/10 | 15,400 | 16,789 | Jul 2021 |
| 204 | ferrari.com | 7.89/10 | 360,700 | 51,449 | Jul 2021 |
| 205 | note.jp | 7.88/10 | 11 | 2 | Jul 2021 |
| 206 | city-journal.org | 7.88/10 | 44,500 | 30,111 | Jun 2025 |
| 207 | mave.digital | 7.87/10 | 1 | 1 | Sep 2021 |
| 208 | telenet.be | 7.87/10 | - | 1 | Aug 2022 |
| 209 | leagueoflegends.com | 7.87/10 | 1,200,400 | 65,342 | Feb 2022 |
| 210 | kpbs.org | 7.87/10 | 166,600 | 107,225 | Oct 2021 |
| 211 | wwu.edu | 7.87/10 | 48,300 | 19,980 | Jul 2021 |
| 212 | biz.ua | 7.86/10 | - | - | Aug 2022 |
| 213 | unal.edu.co | 7.85/10 | 1,200 | 240 | Jan 2026 |
| 214 | riotgames.com | 7.84/10 | 201,400 | 43,191 | Jun 2024 |
| 215 | jcom.co.jp | 7.82/10 | 450 | 224 | Aug 2025 |
| 216 | om.nl | 7.81/10 | 510 | 221 | Jan 2023 |
| 217 | callofduty.com | 7.80/10 | 697,900 | 184,956 | Jun 2026 |
| 218 | moneyforward.com | 7.79/10 | 52 | 13 | Jul 2021 |
| 219 | wfae.org | 7.79/10 | 41,200 | 40,988 | Jul 2021 |
| 220 | hugendubel.de | 7.79/10 | 440 | 1,670 | Aug 2022 |
| 221 | morisawa.co.jp | 7.77/10 | 35 | 75 | Jul 2021 |
| 222 | nikon.com | 7.77/10 | 20,100 | 3,901 | Aug 2025 |
| 223 | jfa.jp | 7.77/10 | 32,800 | 1,959 | Jul 2021 |
| 224 | daikin.co.jp | 7.77/10 | - | 8 | Jul 2025 |
| 225 | nyteknik.se | 7.77/10 | 170 | 351 | Apr 2023 |
| 226 | borsen.dk | 7.76/10 | 380 | 619 | Feb 2024 |
| 227 | krisp.ai | 7.76/10 | 47,900 | 33,213 | Jul 2021 |
| 228 | gather.town | 7.74/10 | 6,900 | 6,578 | Jul 2025 |
| 229 | jyllands-posten.dk | 7.74/10 | 220 | 727 | May 2023 |
| 230 | epilepsy.com | 7.73/10 | 292,200 | 31,085 | Apr 2025 |
| 231 | ntr.nl | 7.73/10 | 150 | 61 | Jul 2021 |
| 232 | palantir.com | 7.72/10 | 1,319,700 | 29,115 | Aug 2025 |
| 233 | aflip.in | 7.72/10 | - | - | Oct 2023 |
| 234 | glovoapp.com | 7.71/10 | 4,400 | 8,525 | Jul 2021 |
| 235 | yamaha-motor.co.jp | 7.71/10 | 600 | 848 | Sep 2021 |
| 236 | konicaminolta.jp | 7.71/10 | 7 | 199 | Mar 2026 |
| 237 | sanrio.co.jp | 7.71/10 | 18,500 | 1,919 | Jul 2025 |
| 238 | guru99.com | 7.69/10 | 27,200 | 33,861 | Jun 2025 |
| 239 | wsp.com | 7.69/10 | 83,400 | 27,803 | Nov 2023 |
| 240 | lesinrocks.com | 7.69/10 | 1,100 | 2,985 | Dec 2023 |
| 241 | radiolab.org | 7.69/10 | 16,300 | 7,909 | Aug 2022 |
| 242 | ucg.ac.me | 7.68/10 | 3,900 | 5,225 | Aug 2024 |
| 243 | newgrounds.com | 7.68/10 | 403,900 | 147,663 | Jul 2021 |
| 244 | kjzz.org | 7.68/10 | 59,700 | 41,326 | Jul 2024 |
| 245 | kao.co.jp | 7.68/10 | 80 | 56 | Aug 2022 |
| 246 | augeo.nl | 7.67/10 | 6 | 16 | Jul 2021 |
| 247 | oakley.com | 7.67/10 | 388,600 | 114,497 | Jan 2024 |
| 248 | novonordisk.com | 7.67/10 | 66,800 | 15,455 | Dec 2025 |
| 249 | draftkings.com | 7.67/10 | 112,900 | 12,162 | Jul 2023 |
| 250 | dellin.ru | 7.66/10 | 1 | 6 | Sep 2023 |
| 251 | rockhall.com | 7.66/10 | 329,900 | 17,734 | Nov 2025 |
| 252 | hva.nl | 7.66/10 | 160 | 198 | Feb 2023 |
| 253 | expensify.com | 7.65/10 | 13,200 | 7,063 | Mar 2024 |
| 254 | fly.dev | 7.65/10 | - | - | May 2023 |
| 255 | nhpr.org | 7.65/10 | 77,700 | 71,946 | Aug 2021 |
| 256 | members.co.jp | 7.64/10 | - | 2 | Sep 2021 |
| 257 | minne.com | 7.64/10 | 167,300 | 190 | Jul 2021 |
| 258 | ekstrabladet.dk | 7.64/10 | 560 | 1,225 | May 2023 |
| 259 | rundschau-online.de | 7.64/10 | 540 | 1,530 | Mar 2025 |
| 260 | sevenbank.co.jp | 7.63/10 | 3,900 | 1,153 | May 2026 |
| 261 | hd.se | 7.63/10 | 2,700 | 752 | Apr 2023 |
| 262 | polri.go.id | 7.63/10 | 82 | 159 | Aug 2022 |
| 263 | benesse.co.jp | 7.63/10 | 79 | 23 | May 2022 |
| 264 | civitai.com | 7.62/10 | 12,800 | 22,708 | Sep 2024 |
| 265 | towson.edu | 7.62/10 | 194,900 | 59,290 | Jul 2021 |
| 266 | sustainability.google | 7.61/10 | 118,500 | 7,338 | Jul 2021 |
| 267 | tohoku-epco.co.jp | 7.61/10 | 32 | 30 | Jul 2025 |
| 268 | hacomono.jp | 7.60/10 | - | - | Aug 2022 |
| 269 | azurestaticapps.net | 7.59/10 | - | - | Nov 2023 |
| 270 | homestarrunner.com | 7.59/10 | 21,600 | 4,732 | Jul 2021 |
| 271 | cultura.com | 7.59/10 | 1,900 | 10,725 | May 2023 |
| 272 | antwerpen.be | 7.59/10 | 230 | 297 | Oct 2021 |
| 273 | sfdora.org | 7.59/10 | 2,500 | 316 | Jul 2021 |
| 274 | aut.ac.nz | 7.59/10 | 5,700 | 3,724 | May 2024 |
| 275 | nccu.edu.tw | 7.58/10 | 840 | 186 | Dec 2024 |
| 276 | lion.co.jp | 7.58/10 | 1,900 | 777 | Jul 2025 |
| 277 | surecart.com | 7.57/10 | 180 | 451 | Apr 2023 |
| 278 | rhein-zeitung.de | 7.57/10 | 700 | 979 | Jul 2026 |
| 279 | itu.edu.tr | 7.57/10 | 40 | 90 | Feb 2025 |
| 280 | inss.gov.br | 7.57/10 | - | 1 | Jul 2021 |
| 281 | wvxu.org | 7.56/10 | 47,400 | 36,003 | Aug 2021 |
| 282 | mec.pt | 7.56/10 | - | - | Jul 2021 |
| 283 | askul.co.jp | 7.56/10 | 85 | 846 | Jun 2026 |
| 284 | hema.nl | 7.56/10 | 480 | 1,599 | Feb 2023 |
| 285 | o2online.de | 7.55/10 | 1,300 | 1,263 | Apr 2024 |
| 286 | alaskapublic.org | 7.55/10 | 58,600 | 31,671 | Jan 2025 |
| 287 | wlrn.org | 7.55/10 | 97,000 | 62,535 | Jul 2021 |
| 288 | airasia.com | 7.53/10 | 23,900 | 13,043 | Aug 2026 |
| 289 | kuvat.fi | 7.52/10 | 1 | 2 | Jul 2021 |
| 290 | seuil.com | 7.52/10 | 190 | 369 | Jun 2024 |
| 291 | orange.es | 7.52/10 | 1,200 | 4,310 | May 2024 |
| 292 | landr.com | 7.50/10 | 13,100 | 6,752 | Jul 2021 |
| 293 | up.gov.in | 7.50/10 | 760 | 82 | Jul 2026 |
| 294 | scamadviser.com | 7.49/10 | 168,600 | 104,067 | May 2026 |
| 295 | kut.org | 7.49/10 | 79,300 | 45,321 | Jul 2021 |
| 296 | express.de | 7.49/10 | 1,100 | 1,868 | Mar 2025 |
| 297 | toto.com | 7.48/10 | 4,700 | 707 | Apr 2026 |
| 298 | skk.se | 7.48/10 | 330 | 327 | May 2025 |
| 299 | provincia.tn.it | 7.48/10 | 1,200 | 424 | Aug 2026 |
| 300 | mainepublic.org | 7.48/10 | 70,600 | 56,319 | 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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