Websites Powered by JSS
142,230 websites tracked using JSS (JavaScript frameworks) · cssinjs.org
JSS is a JavaScript framework for building interactive web applications. Its official site is cssinjs.org. PoweredBy tracks the websites that use JSS across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript frameworks ecosystem.
Usage trend
20K
40K
60K
80K
Feb 2022
Apr 2023
Jun 2024
Aug 2025
Oct 2026
Domains observed using JSS in each month's HTTP Archive crawl,
Feb 2022 to Oct 2026 · peak 64,360 in Jan 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.1 s
INP 100 ms
CLS 0
TTFB 700 ms
Median site among 55,857 JSS sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
25,042
India
10,017
France
7,726
United Kingdom
7,571
Brazil
7,490
Canada
6,910
Germany
6,653
Spain
5,610
Sites using JSS by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Restaurants and food | 3.69% | 5,781 |
| Sports and fitness | 1.60% | 346 |
| Real estate | 0.76% | 613 |
| Finance and insurance | 0.65% | 135 |
| Travel and hospitality | 0.65% | 554 |
| Government | 0.62% | 58 |
| Industrial and manufacturing | 0.41% | 21 |
| Retail | 0.40% | 1,459 |
| Education | 0.36% | 226 |
| Arts and entertainment | 0.25% | 128 |
| Software and apps | 0.20% | 322 |
| Beauty and wellness | 0.18% | 56 |
Share of each industry's websites with a detected stack that use JSS; industries come from what sites declare in their own structured data.
Top sites by authority
9+
10% · 37 of 372 sites
8+
5% · 400 of 7,677 sites
7+
3% · 1,167 of 45,712 sites
6+
2% · 1,970 of 110,136 sites
5+
1% · 2,867 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running JSS in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using JSS
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | europa.eu | 9.57/10 | 42,200 | 31,835 | Feb 2022 |
| 2 | microsoft.com | 9.54/10 | 11,626,900 | 676,768 | Feb 2022 |
| 3 | amazonaws.com | 9.50/10 | - | - | Feb 2022 |
| 4 | adobe.com | 9.48/10 | 8,261,900 | 815,230 | Mar 2022 |
| 5 | cloudfront.net | 9.47/10 | - | - | Feb 2022 |
| 6 | amazon.com | 9.47/10 | 343,823,400 | 25,932,389 | Feb 2022 |
| 7 | github.io | 9.43/10 | 1,800 | 1 | Feb 2022 |
| 8 | spotify.com | 9.40/10 | 2,862,400 | 50,031 | Sep 2026 |
| 9 | office.com | 9.34/10 | 1,732,000 | 27,193 | Nov 2022 |
| 10 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Feb 2022 |
| 11 | un.org | 9.21/10 | 2,209,200 | 439,253 | Feb 2022 |
| 12 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Feb 2022 |
| 13 | mit.edu | 9.18/10 | 163,800 | 31,239 | Feb 2022 |
| 14 | admin.ch | 9.18/10 | 4,200 | 753 | Apr 2023 |
| 15 | oracle.com | 9.16/10 | 1,406,200 | 203,855 | Feb 2022 |
| 16 | wiley.com | 9.14/10 | 76,400 | 29,151 | Feb 2022 |
| 17 | myshopify.com | 9.12/10 | - | - | Feb 2022 |
| 18 | squarespace.com | 9.11/10 | 233,400 | 29,406 | Mar 2023 |
| 19 | canva.com | 9.11/10 | 16,545,400 | 1,631,305 | May 2024 |
| 20 | twitch.tv | 9.11/10 | 3,282,800 | 620,799 | Sep 2022 |
| 21 | rakuten.co.jp | 9.11/10 | 9,200 | 1,689 | Feb 2022 |
| 22 | surveymonkey.com | 9.10/10 | 360,700 | 29,491 | Mar 2022 |
| 23 | berkeley.edu | 9.10/10 | 166,700 | 4,721 | Feb 2022 |
| 24 | cornell.edu | 9.10/10 | 140,600 | 19,190 | Nov 2022 |
| 25 | mckinsey.com | 9.09/10 | 525,900 | 253,366 | Jun 2023 |
| 26 | usatoday.com | 9.08/10 | 10,622,200 | 2,975,633 | Feb 2022 |
| 27 | vercel.app | 9.05/10 | - | - | Feb 2022 |
| 28 | windows.net | 9.04/10 | - | - | Feb 2022 |
| 29 | oup.com | 9.03/10 | 570 | 391 | Aug 2026 |
| 30 | oecd.org | 9.03/10 | 369,300 | 169,314 | Aug 2023 |
| 31 | atlassian.com | 9.01/10 | 1,049,000 | 152,410 | Feb 2022 |
| 32 | netlify.app | 9.01/10 | 2 | 2 | Feb 2022 |
| 33 | unicef.org | 9.01/10 | 286,700 | 135,578 | Oct 2022 |
| 34 | psu.edu | 9.01/10 | 580,400 | 80,390 | Feb 2022 |
| 35 | umich.edu | 9.01/10 | 36,500 | 1,974 | Feb 2022 |
| 36 | uk.com | 9.00/10 | 2 | 12 | Feb 2022 |
| 37 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Feb 2022 |
| 38 | netflix.com | 8.99/10 | 66,733,700 | 2,404,073 | Feb 2022 |
| 39 | va.gov | 8.99/10 | 3,906,000 | 720,623 | Feb 2022 |
| 40 | texas.gov | 8.98/10 | 917,200 | 38,560 | Jan 2025 |
| 41 | wisc.edu | 8.97/10 | 461,200 | 6,382 | Feb 2022 |
| 42 | samsung.com | 8.96/10 | 5,663,200 | 685,042 | Feb 2022 |
| 43 | washington.edu | 8.96/10 | 663,900 | 86,604 | Feb 2022 |
| 44 | strato.de | 8.95/10 | 380 | 397 | Aug 2024 |
| 45 | booking.com | 8.95/10 | 13,247,800 | 1,592,017 | Aug 2022 |
| 46 | webflow.io | 8.95/10 | 79 | 1 | Jun 2025 |
| 47 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Feb 2022 |
| 48 | mynavi.jp | 8.95/10 | 81 | 14 | Aug 2022 |
| 49 | ethz.ch | 8.95/10 | 12,900 | 11,869 | Feb 2022 |
| 50 | coursera.org | 8.94/10 | 3,052,900 | 538,914 | Feb 2022 |
| 51 | ionos.de | 8.93/10 | 270 | 636 | Jul 2024 |
| 52 | pwc.com | 8.93/10 | 289,200 | 144,910 | Feb 2022 |
| 53 | fao.org | 8.93/10 | 213,900 | 125,762 | May 2023 |
| 54 | ucla.edu | 8.93/10 | 410,700 | 13,782 | Feb 2022 |
| 55 | wa.gov | 8.93/10 | 719,700 | 7,869 | Feb 2022 |
| 56 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Mar 2022 |
| 57 | gov.ru | 8.91/10 | 2,700 | 216 | Feb 2022 |
| 58 | walmart.com | 8.91/10 | 77,455,200 | 10,944,972 | Feb 2022 |
| 59 | nyu.edu | 8.90/10 | 674,000 | 142,032 | Feb 2022 |
| 60 | nyc.gov | 8.90/10 | 3,946,700 | 716,970 | Oct 2023 |
| 61 | figma.com | 8.89/10 | 1,963,000 | 300,098 | Sep 2022 |
| 62 | duke.edu | 8.88/10 | 194,300 | 1,396 | Feb 2022 |
| 63 | azurewebsites.net | 8.87/10 | - | - | Feb 2022 |
| 64 | appspot.com | 8.87/10 | - | - | Mar 2022 |
| 65 | purdue.edu | 8.86/10 | 746,900 | 132,133 | Feb 2022 |
| 66 | cancer.gov | 8.86/10 | 4,680,800 | 325,886 | Sep 2023 |
| 67 | proofpoint.com | 8.85/10 | 122,900 | 22,948 | Aug 2022 |
| 68 | ilo.org | 8.85/10 | 55,900 | 30,140 | Sep 2025 |
| 69 | umd.edu | 8.85/10 | 253,200 | 15,103 | Feb 2022 |
| 70 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Feb 2022 |
| 71 | sap.com | 8.83/10 | 526,000 | 58,757 | Feb 2024 |
| 72 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Aug 2022 |
| 73 | unc.edu | 8.83/10 | 341,300 | 24,562 | Feb 2022 |
| 74 | tableau.com | 8.82/10 | 261,800 | 56,830 | Jun 2023 |
| 75 | ey.com | 8.82/10 | 242,800 | 77,398 | Mar 2022 |
| 76 | asu.edu | 8.82/10 | 144,500 | 3,666 | Apr 2023 |
| 77 | maryland.gov | 8.82/10 | 173,200 | 7,155 | Apr 2022 |
| 78 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Aug 2022 |
| 79 | virginia.gov | 8.82/10 | 338,000 | 19,778 | May 2023 |
| 80 | mass.gov | 8.82/10 | 3,516,300 | 1,069,518 | Apr 2022 |
| 81 | it.com | 8.81/10 | - | - | May 2025 |
| 82 | aol.com | 8.81/10 | 5,394,600 | 4,486,218 | Oct 2026 |
| 83 | undp.org | 8.81/10 | 220,100 | 57,922 | Jul 2022 |
| 84 | utah.gov | 8.80/10 | 129,700 | 22,115 | Feb 2022 |
| 85 | playstation.com | 8.78/10 | 5,277,700 | 668,998 | Nov 2022 |
| 86 | hp.com | 8.78/10 | 2,701,800 | 494,419 | Feb 2022 |
| 87 | mn.gov | 8.78/10 | 964,900 | 239,950 | May 2024 |
| 88 | georgetown.edu | 8.78/10 | 136,900 | 25,266 | Nov 2022 |
| 89 | gouv.qc.ca | 8.77/10 | - | - | Feb 2022 |
| 90 | deezer.com | 8.76/10 | 219,100 | 408,574 | Feb 2022 |
| 91 | web.app | 8.76/10 | - | - | Feb 2022 |
| 92 | tamu.edu | 8.76/10 | 349,600 | 9,431 | Feb 2022 |
| 93 | berlin.de | 8.75/10 | 78,900 | 23,782 | Mar 2024 |
| 94 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Feb 2022 |
| 95 | studentaid.gov | 8.75/10 | 4,525,700 | 319,666 | May 2024 |
| 96 | mo.gov | 8.75/10 | 135,400 | 9,347 | Apr 2024 |
| 97 | herokuapp.com | 8.74/10 | - | - | Feb 2022 |
| 98 | globo.com | 8.74/10 | 3,500 | 605 | Feb 2022 |
| 99 | virginia.edu | 8.73/10 | 265,100 | 10,889 | Feb 2022 |
| 100 | illinois.gov | 8.73/10 | 521,900 | 65,410 | Feb 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).