Websites Powered by Kestrel

37,011 websites tracked using Kestrel (Web servers) · docs.microsoft.com

Kestrel is a web server that delivers the site's pages. Its official site is docs.microsoft.com. PoweredBy tracks the websites that use Kestrel across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web servers ecosystem.

Usage trend

Domains observed using Kestrel in each month's HTTP Archive crawl, May 2019 to Oct 2026 · peak 13,127 in Oct 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 600 ms

Median site among 18,106 Kestrel sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 7,567
United Kingdom 3,355
India 2,966
Germany 2,498
Brazil 2,478
Canada 2,287
France 1,989
Netherlands 1,967

Sites using Kestrel by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Automotive 1.78% 1,490
Arts and entertainment 0.50% 257
Government 0.35% 33
Finance and insurance 0.21% 43
Education 0.15% 93
Software and apps 0.13% 213
Non-profit and religious 0.11% 11
Games 0.08% 6
Travel and hospitality 0.07% 64
Sports and fitness 0.07% 15
News and media 0.07% 32
Beauty and wellness 0.05% 16

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

Top sites by authority

9+ 5% · 18 of 372 sites
8+ 3% · 205 of 7,677 sites
7+ 1% · 646 of 45,712 sites
6+ <1% · 1,076 of 110,136 sites
5+ <1% · 1,570 of 246,751 sites

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

Websites using Kestrel

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
201 rajasthan.gov.in 8.01/10 3,100 236 Mar 2020
202 ourcommons.ca 8.01/10 124,600 18,544 May 2026
203 bokadirekt.se 8.00/10 190 855 May 2019
204 zeiss.com 8.00/10 114,800 31,908 May 2019
205 chipotle.com 8.00/10 1,230,800 75,798 Sep 2019
206 no-ip.org 7.99/10 - - Apr 2024
207 staples.com 7.99/10 2,266,400 608,593 Jul 2020
208 sg.ch 7.99/10 370 350 Dec 2025
209 fasthosts.co.uk 7.98/10 1,600 2,253 Mar 2022
210 ddns.net 7.98/10 - - Dec 2020
211 euromonitor.com 7.98/10 3,000 5,898 Oct 2026
212 aaaai.org 7.98/10 276,200 53,480 Nov 2020
213 vng.nl 7.98/10 890 132 May 2026
214 ajg.com 7.97/10 55,600 13,045 Nov 2025
215 dudesolutions.com 7.96/10 - - Sep 2024
216 upmc.com 7.96/10 688,900 147,069 Nov 2025
217 tomsk.ru 7.95/10 23 11 Sep 2026
218 sanofi.com 7.95/10 33,600 13,910 Mar 2020
219 homeoffice.gov.uk 7.95/10 - - Sep 2025
220 apta.org 7.95/10 119,400 28,684 Jul 2023
221 sciencemuseum.org.uk 7.95/10 73,600 19,283 Aug 2024
222 stanfordchildrens.org 7.95/10 322,300 90,516 Aug 2025
223 tennessee.edu 7.95/10 48,100 3,743 Apr 2022
224 ionos.co.uk 7.93/10 2,200 2,969 Jun 2023
225 gov.taipei 7.92/10 1 10 May 2019
226 ltu.se 7.91/10 670 766 May 2026
227 nm.org 7.90/10 1,233,400 270,855 Sep 2020
228 ucr.ac.cr 7.90/10 3,300 1,872 Oct 2022
229 realtor.ca 7.89/10 195,600 246,510 May 2023
230 sixflags.com 7.89/10 2,779,000 411,734 Apr 2023
231 cineca.it 7.89/10 25 29 Oct 2022
232 bmo.com 7.88/10 530,800 76,504 Jun 2026
233 rcpsych.ac.uk 7.88/10 19,900 12,066 Jun 2026
234 city-journal.org 7.88/10 44,200 28,752 Nov 2025
235 mfa.org 7.87/10 349,000 50,791 Oct 2023
236 nfz.gov.pl 7.87/10 400 510 May 2019
237 duckdns.org 7.86/10 150 511 Sep 2025
238 samaritanspurse.org 7.86/10 89,300 60,457 May 2019
239 siu.edu 7.86/10 43,700 8,119 Oct 2026
240 tokyodisneyresort.jp 7.85/10 265,000 58,710 Aug 2022
241 chinhphu.vn 7.84/10 540 501 Sep 2021
242 plymouth.ac.uk 7.84/10 16,100 8,746 Sep 2026
243 dfo-mpo.gc.ca 7.84/10 42,400 9,804 Jun 2024
244 asid.org 7.82/10 5,300 1,093 Oct 2025
245 nyp.org 7.82/10 620,100 135,973 Feb 2020
246 meb.gov.tr 7.81/10 1,700 747 Mar 2020
247 wnba.com 7.81/10 2,663,300 42,585 May 2026
248 firstinspires.org 7.81/10 101,500 25,411 Jan 2021
249 bme.hu 7.81/10 1,300 299 May 2019
250 lacma.org 7.81/10 188,400 23,820 Oct 2026
251 unrwa.org 7.81/10 65,900 14,751 Jun 2023
252 iras.gov.sg 7.80/10 19,200 12,350 Feb 2025
253 directv.com 7.80/10 2,282,600 491,488 Oct 2021
254 takeda.com 7.80/10 55,900 11,009 Apr 2023
255 ing.com 7.80/10 10,100 3,892 Feb 2025
256 fiba.basketball 7.80/10 255,700 61,087 Mar 2026
257 dundee.ac.uk 7.80/10 16,200 6,772 May 2019
258 mf.gov.pl 7.80/10 - 1 Jan 2026
259 difesa.it 7.80/10 360 646 Aug 2022
260 questdiagnostics.com 7.79/10 3,202,700 104,750 Jan 2023
261 ersnet.org 7.79/10 3,300 2,840 Jul 2026
262 suomi.fi 7.79/10 4,400 1,548 Jun 2026
263 zakon.kz 7.79/10 140 169 May 2022
264 icaew.com 7.78/10 15,900 12,548 May 2019
265 chevron.com 7.78/10 93,100 30,414 May 2022
266 ntu.ac.uk 7.78/10 5,400 5,487 Aug 2024
267 vfw.org 7.78/10 219,300 99,675 Jun 2026
268 kemenkeu.go.id 7.78/10 890 354 May 2019
269 ngv.vic.gov.au 7.78/10 39,800 17,142 May 2025
270 techpowerup.com 7.76/10 669,700 304,546 Jan 2026
271 cabq.gov 7.76/10 321,800 104,470 Aug 2024
272 totalenergies.com 7.75/10 38,200 12,917 Dec 2024
273 cyberlink.com 7.74/10 107,300 59,748 Aug 2026
274 discoveryeducation.com 7.74/10 39,100 24,763 Feb 2021
275 pge.com 7.74/10 1,319,200 135,474 Sep 2020
276 walkerart.org 7.74/10 78,400 18,260 Jun 2025
277 clearcompany.com 7.73/10 2,500 1,563 Jan 2026
278 znanylekarz.pl 7.73/10 480 1,944 Jul 2026
279 crateandbarrel.com 7.73/10 1,190,100 423,856 Sep 2019
280 mahidol.ac.th 7.73/10 1,200 212 Sep 2022
281 uoc.gr 7.73/10 44 79 Oct 2021
282 gdansk.pl 7.73/10 1,100 997 Oct 2021
283 mountvernon.org 7.73/10 771,300 78,315 Sep 2024
284 cargill.com 7.72/10 57,600 26,738 Aug 2020
285 walmart.ca 7.72/10 92,600 177,644 Dec 2021
286 telangana.gov.in 7.72/10 1,600 468 Jan 2026
287 hinet.net 7.71/10 120 43 Mar 2023
288 ihs.com 7.71/10 - - Aug 2024
289 vivaticket.com 7.71/10 3,500 1,130 Nov 2025
290 france-education-international.fr 7.71/10 4,100 3,251 Apr 2022
291 nma.gov.au 7.71/10 49,600 11,813 Jan 2025
292 toyota.pt 7.70/10 82 165 Mar 2026
293 mckesson.com 7.70/10 124,800 34,227 Oct 2022
294 civilrightsmuseum.org 7.70/10 35,400 2,315 Feb 2025
295 geico.com 7.70/10 3,354,000 84,211 Aug 2022
296 scotiabank.com 7.70/10 189,700 65,162 Apr 2020
297 colliers.com 7.70/10 48,000 28,161 Mar 2024
298 sutterhealth.org 7.70/10 514,200 158,789 Feb 2020
299 fit.edu 7.70/10 101,000 32,811 Jun 2026
300 dft.gov.uk 7.69/10 2 4 May 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) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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