Websites Powered by Knockout.js
65,165 websites tracked using Knockout.js (JavaScript frameworks) · knockoutjs.com
Knockout.js is a JavaScript framework for building interactive web applications. Its official site is knockoutjs.com. PoweredBy tracks the websites that use Knockout.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 frameworks ecosystem.
Usage trend
10K
20K
30K
Jun 2018
Jun 2020
Oct 2022
Oct 2024
Oct 2026
Domains observed using Knockout.js in each month's HTTP Archive crawl,
Jun 2018 to Oct 2026 · peak 25,897 in Aug 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.9 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 29,786 Knockout.js sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
13,663
United Kingdom
6,152
India
5,601
Canada
5,387
Germany
4,903
Indonesia
4,499
Netherlands
4,121
France
3,844
Sites using Knockout.js by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Retail | 0.88% | 3,246 |
| Government | 0.34% | 32 |
| News and media | 0.33% | 162 |
| Education | 0.20% | 124 |
| Finance and insurance | 0.15% | 32 |
| Healthcare | 0.11% | 137 |
| Travel and hospitality | 0.10% | 84 |
| Industrial and manufacturing | 0.10% | 5 |
| Software and apps | 0.09% | 145 |
| Arts and entertainment | 0.08% | 43 |
| Legal | 0.08% | 23 |
| Games | 0.07% | 5 |
Share of each industry's websites with a detected stack that use Knockout.js; industries come from what sites declare in their own structured data.
Top sites by authority
9+
5% · 19 of 372 sites
8+
4% · 287 of 7,677 sites
7+
2% · 747 of 45,712 sites
6+
1% · 1,259 of 110,136 sites
5+
<1% · 1,798 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Knockout.js in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Knockout.js
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | microsoft.com | 9.54/10 | 11,626,900 | 676,768 | Aug 2018 |
| 2 | cloudfront.net | 9.47/10 | - | - | Jul 2021 |
| 3 | amazon.com | 9.47/10 | 343,823,400 | 25,932,389 | Aug 2018 |
| 4 | github.io | 9.43/10 | 1,800 | 1 | Jan 2021 |
| 5 | blogspot.com | 9.39/10 | - | - | Mar 2019 |
| 6 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Aug 2018 |
| 7 | admin.ch | 9.18/10 | 4,200 | 753 | Aug 2018 |
| 8 | pages.dev | 9.14/10 | - | - | Apr 2026 |
| 9 | epa.gov | 9.13/10 | 3,829,800 | 580,699 | Aug 2018 |
| 10 | myshopify.com | 9.12/10 | - | - | May 2019 |
| 11 | rakuten.co.jp | 9.11/10 | 9,200 | 1,689 | Aug 2018 |
| 12 | bandcamp.com | 9.06/10 | 43,600 | 26,807 | Jun 2018 |
| 13 | frontiersin.org | 9.06/10 | 869,400 | 706,983 | Aug 2018 |
| 14 | house.gov | 9.05/10 | 752,000 | 103,932 | Aug 2022 |
| 15 | b-cdn.net | 9.02/10 | - | - | Jun 2026 |
| 16 | ieee.org | 9.02/10 | 37,200 | 20,161 | Jan 2019 |
| 17 | uk.com | 9.00/10 | 2 | 12 | Jan 2019 |
| 18 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Oct 2019 |
| 19 | energy.gov | 9.00/10 | 1,879,700 | 254,450 | Aug 2018 |
| 20 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | May 2019 |
| 21 | wisc.edu | 8.97/10 | 461,200 | 6,382 | Mar 2023 |
| 22 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Aug 2018 |
| 23 | bayern.de | 8.92/10 | 12,500 | 512 | Aug 2018 |
| 24 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Aug 2023 |
| 25 | nypost.com | 8.91/10 | 5,009,700 | 1,907,312 | Sep 2021 |
| 26 | nyc.gov | 8.90/10 | 3,946,700 | 716,970 | Aug 2022 |
| 27 | imf.org | 8.89/10 | 699,800 | 174,946 | Aug 2018 |
| 28 | jimdofree.com | 8.88/10 | - | - | Aug 2026 |
| 29 | samhsa.gov | 8.88/10 | 1,865,600 | 105,581 | Oct 2020 |
| 30 | fema.gov | 8.88/10 | 623,700 | 176,705 | Aug 2018 |
| 31 | onetrust.com | 8.87/10 | 18,000 | 8,527 | Sep 2026 |
| 32 | azurewebsites.net | 8.87/10 | - | - | Jan 2019 |
| 33 | us.com | 8.86/10 | 32 | 8 | Mar 2026 |
| 34 | proofpoint.com | 8.85/10 | 122,900 | 22,948 | Apr 2026 |
| 35 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Aug 2018 |
| 36 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Apr 2019 |
| 37 | uscourts.gov | 8.83/10 | 1,577,500 | 178,527 | Apr 2020 |
| 38 | maryland.gov | 8.82/10 | 173,200 | 7,155 | Aug 2024 |
| 39 | virginia.gov | 8.82/10 | 338,000 | 19,778 | Oct 2020 |
| 40 | it.com | 8.81/10 | - | - | Dec 2024 |
| 41 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Sep 2020 |
| 42 | sfu.ca | 8.80/10 | 210,600 | 61,463 | Aug 2018 |
| 43 | in.gov | 8.80/10 | 3,047,100 | 832,670 | Aug 2018 |
| 44 | teamviewer.com | 8.79/10 | 249,200 | 17,157 | Aug 2018 |
| 45 | unfccc.int | 8.79/10 | 195,600 | 72,726 | Nov 2021 |
| 46 | hopkinsmedicine.org | 8.79/10 | 9,578,600 | 1,098,393 | Aug 2022 |
| 47 | pa.gov | 8.78/10 | 3,807,400 | 1,087,569 | Jun 2018 |
| 48 | eu.com | 8.77/10 | - | - | Feb 2020 |
| 49 | web.app | 8.76/10 | - | - | Jun 2022 |
| 50 | tamu.edu | 8.76/10 | 349,600 | 9,431 | Feb 2023 |
| 51 | ohio.gov | 8.76/10 | 366,800 | 33,026 | Aug 2018 |
| 52 | verizon.com | 8.75/10 | 9,426,800 | 601,736 | Dec 2020 |
| 53 | mo.gov | 8.75/10 | 135,400 | 9,347 | Jan 2019 |
| 54 | herokuapp.com | 8.74/10 | - | - | Jan 2019 |
| 55 | ucl.ac.uk | 8.74/10 | 154,800 | 93,062 | Sep 2022 |
| 56 | zdf.de | 8.74/10 | 29,900 | 14,545 | Oct 2022 |
| 57 | oregon.gov | 8.74/10 | 1,683,800 | 534,540 | Aug 2018 |
| 58 | colorado.edu | 8.72/10 | 585,400 | 165,595 | Aug 2022 |
| 59 | uwaterloo.ca | 8.71/10 | 224,700 | 71,840 | Aug 2018 |
| 60 | rochester.edu | 8.71/10 | 241,200 | 60,872 | Sep 2022 |
| 61 | japantimes.co.jp | 8.71/10 | 83,100 | 74,372 | Jul 2021 |
| 62 | chicagotribune.com | 8.70/10 | 426,300 | 398,787 | Aug 2018 |
| 63 | okta.com | 8.69/10 | 251,200 | 35,664 | Aug 2022 |
| 64 | in.net | 8.69/10 | - | - | May 2026 |
| 65 | siemens.com | 8.68/10 | 155,200 | 53,421 | Apr 2019 |
| 66 | ceskatelevize.cz | 8.68/10 | 6,500 | 2,861 | May 2019 |
| 67 | ky.gov | 8.68/10 | - | 1 | Jun 2018 |
| 68 | anu.edu.au | 8.68/10 | 12,900 | 8,767 | Aug 2018 |
| 69 | co.com | 8.67/10 | - | - | Jun 2026 |
| 70 | lse.ac.uk | 8.67/10 | 60,400 | 38,566 | Aug 2022 |
| 71 | delaware.gov | 8.67/10 | 128,700 | 12,173 | Aug 2018 |
| 72 | dc.gov | 8.67/10 | 99,400 | 10,148 | May 2024 |
| 73 | azure.com | 8.66/10 | - | - | Aug 2018 |
| 74 | mastercard.com | 8.66/10 | 866,600 | 105,364 | Nov 2023 |
| 75 | altervista.org | 8.66/10 | - | - | Oct 2020 |
| 76 | ru.com | 8.65/10 | - | - | Jan 2019 |
| 77 | state.mn.us | 8.65/10 | 1,200 | 64 | Jun 2023 |
| 78 | ihg.com | 8.65/10 | 4,228,000 | 404,690 | Jun 2023 |
| 79 | cuny.edu | 8.65/10 | 293,300 | 49,477 | Aug 2018 |
| 80 | wsu.edu | 8.64/10 | 66,200 | 13,870 | May 2019 |
| 81 | vt.edu | 8.64/10 | 215,100 | 20,548 | Aug 2018 |
| 82 | hrsa.gov | 8.64/10 | 82,500 | 28,053 | Aug 2018 |
| 83 | autodesk.com | 8.63/10 | 742,400 | 114,708 | Apr 2020 |
| 84 | vermont.gov | 8.63/10 | 116,100 | 3,757 | Jan 2019 |
| 85 | wi.gov | 8.63/10 | - | - | Aug 2018 |
| 86 | sachsen.de | 8.62/10 | 45 | 135 | May 2024 |
| 87 | com.de | 8.62/10 | 5 | 14 | Aug 2022 |
| 88 | alaska.gov | 8.62/10 | 61,700 | 7,776 | Aug 2018 |
| 89 | uva.nl | 8.62/10 | 24,400 | 9,670 | Jan 2022 |
| 90 | mystrikingly.com | 8.61/10 | - | - | May 2020 |
| 91 | cn.com | 8.59/10 | 17 | 8 | Jul 2026 |
| 92 | opm.gov | 8.59/10 | 2,263,300 | 339,291 | Aug 2018 |
| 93 | sc.gov | 8.59/10 | 126,100 | 20,150 | Aug 2024 |
| 94 | krakow.pl | 8.59/10 | 690 | 649 | Apr 2020 |
| 95 | sa.com | 8.58/10 | - | - | Jan 2025 |
| 96 | wto.org | 8.58/10 | 234,600 | 39,569 | Aug 2018 |
| 97 | hamburg.de | 8.58/10 | 2,000 | 2,955 | Feb 2019 |
| 98 | alberta.ca | 8.58/10 | 115,900 | 65,281 | Aug 2018 |
| 99 | uni-heidelberg.de | 8.58/10 | 8,000 | 4,696 | Jan 2023 |
| 100 | nydailynews.com | 8.57/10 | 159,300 | 233,108 | Aug 2018 |
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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