Websites Powered by Flask
4,325 websites tracked using Flask (Web frameworks) · github.com
Flask is a web application framework used to build the site's backend. Its official site is github.com. PoweredBy tracks the websites that use Flask across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web frameworks ecosystem.
Usage trend
500
1K
1.5K
Apr 2018
May 2020
Jun 2022
Jul 2024
Aug 2026
Domains observed using Flask in each month's HTTP Archive crawl,
Apr 2018 to Aug 2026 · peak 1,298 in Dec 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 1,842 Flask sites with Chrome UX data, p75 values, Aug 2026.
Top countries
France
291
United States
279
Spain
272
India
242
Germany
214
Mexico
177
Indonesia
175
Brazil
166
Sites using Flask by audience country, Chrome UX Report.
Top sites by authority
9+
<1% · 3 of 372 sites
8+
<1% · 12 of 7,677 sites
7+
<1% · 33 of 45,712 sites
6+
<1% · 47 of 110,136 sites
5+
<1% · 66 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Flask in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Flask
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | amazonaws.com | 9.50/10 | - | - | Oct 2023 |
| 2 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Apr 2023 |
| 3 | openai.com | 9.10/10 | 1,963,900 | 199,482 | Sep 2023 |
| 4 | texas.gov | 8.98/10 | 856,400 | 43,777 | Jul 2026 |
| 5 | azurewebsites.net | 8.87/10 | - | - | Nov 2022 |
| 6 | us.com | 8.86/10 | 32 | 9 | Nov 2025 |
| 7 | nrw.de | 8.83/10 | - | - | Mar 2025 |
| 8 | uni-hamburg.de | 8.53/10 | 5,500 | 3,110 | Feb 2023 |
| 9 | ku.dk | 8.50/10 | 5,000 | 2,453 | Feb 2023 |
| 10 | data.gov.uk | 8.24/10 | 3,400 | 4,254 | Dec 2025 |
| 11 | gov.mt | 8.13/10 | 3,400 | 1,456 | Jun 2024 |
| 12 | capes.gov.br | 8.09/10 | - | - | Mar 2023 |
| 13 | eleconomista.com.mx | 7.99/10 | 8,900 | 23,378 | Feb 2026 |
| 14 | ddns.net | 7.98/10 | - | - | May 2023 |
| 15 | appdomain.cloud | 7.96/10 | - | - | Feb 2022 |
| 16 | cdmx.gob.mx | 7.96/10 | 1,900 | 1,510 | Jul 2024 |
| 17 | iitkgp.ac.in | 7.90/10 | 580 | 618 | Jul 2025 |
| 18 | ucr.ac.cr | 7.90/10 | 3,300 | 1,872 | May 2020 |
| 19 | duckdns.org | 7.86/10 | 150 | 511 | Nov 2024 |
| 20 | danone.com | 7.84/10 | 7,500 | 3,774 | Aug 2026 |
| 21 | iisc.ac.in | 7.72/10 | 3,800 | 6,692 | Dec 2022 |
| 22 | graz.at | 7.45/10 | 150 | 273 | Nov 2021 |
| 23 | jakarta.go.id | 7.44/10 | 240 | 52 | Dec 2020 |
| 24 | ligue-cancer.net | 7.42/10 | 49 | 312 | Oct 2025 |
| 25 | hf.space | 7.34/10 | - | - | Mar 2026 |
| 26 | jalisco.gob.mx | 7.34/10 | 2,100 | 1,541 | Aug 2022 |
| 27 | isprambiente.it | 7.12/10 | - | - | Aug 2025 |
| 28 | uin-malang.ac.id | 7.11/10 | 76 | 142 | Apr 2026 |
| 29 | ldh-france.org | 7.04/10 | 390 | 471 | Feb 2026 |
| 30 | unissula.ac.id | 7.04/10 | 61 | 47 | Jul 2021 |
| 31 | city.utsunomiya.tochigi.jp | 7.03/10 | - | - | Mar 2023 |
| 32 | ngrok-free.app | 7.02/10 | - | - | Jun 2024 |
| 33 | circl.lu | 7.02/10 | 160 | 118 | Dec 2022 |
| 34 | geosphere.at | 6.95/10 | 510 | 615 | Aug 2023 |
| 35 | arynews.tv | 6.95/10 | 11,900 | 17,207 | Apr 2025 |
| 36 | hacienda.gob.mx | 6.93/10 | 3 | 61 | Oct 2022 |
| 37 | montevideo.com.uy | 6.91/10 | 5,200 | 12,520 | Aug 2022 |
| 38 | udsm.ac.tz | 6.78/10 | 1,200 | 693 | Aug 2023 |
| 39 | minhabiblioteca.com.br | 6.72/10 | 260 | 113 | May 2026 |
| 40 | bandung.go.id | 6.66/10 | 200 | 37 | Sep 2025 |
| 41 | uptc.edu.co | 6.60/10 | 260 | 728 | Nov 2024 |
| 42 | e-school.net.ua | 6.44/10 | - | - | Aug 2025 |
| 43 | dgav.pt | 6.43/10 | 41 | 217 | Aug 2020 |
| 44 | depa.or.th | 6.20/10 | 170 | 59 | Jul 2026 |
| 45 | alholol.sa | - | - | - | May 2026 |
| 46 | befair.eu | 1.29/10 | 2 | 2 | Nov 2021 |
| 47 | championnet-carrelages.com | 0.44/10 | - | - | Mar 2022 |
| 48 | cmim.org | 2.99/10 | - | - | Aug 2026 |
| 49 | codagex.be | 1.61/10 | - | - | Aug 2024 |
| 50 | compagniedudragon.com | 3.19/10 | - | - | May 2022 |
| 51 | comunas.gob.ve | 3.41/10 | - | - | Oct 2024 |
| 52 | cooperativapolicial.com.uy | 0.52/10 | - | - | Jan 2019 |
| 53 | enc-kolcsonzo.hu | 0.50/10 | - | - | Jul 2019 |
| 54 | essalud.gob.pe | 5.37/10 | 750 | 1,957 | Aug 2025 |
| 55 | fcindustria.mx | - | - | - | Jul 2026 |
| 56 | ferbi.com.ar | 2.01/10 | - | - | Jul 2023 |
| 57 | fh2sante.ma | 0.43/10 | - | - | Jul 2025 |
| 58 | flamant.com | 3.93/10 | - | - | Mar 2026 |
| 59 | garsaco.com | 1.17/10 | - | - | Jan 2022 |
| 60 | greensurebet.com.br | - | - | - | Aug 2026 |
| 61 | grupoacunaons.com | 0.70/10 | - | - | Mar 2025 |
| 62 | grupocoinp.com | 0.20/10 | - | - | Jun 2025 |
| 63 | helanzorgwinkel.be | 1.71/10 | - | - | Aug 2022 |
| 64 | hofner.com | 4.09/10 | - | - | Aug 2026 |
| 65 | ibdglobal.com | 1.62/10 | - | - | Jul 2020 |
| 66 | iber.uy | 2.11/10 | - | - | Oct 2023 |
| 67 | inexoos.com | 1.58/10 | - | - | May 2023 |
| 68 | juleb.com | 2.67/10 | - | - | Aug 2022 |
| 69 | kampeerder.be | 2.55/10 | - | - | Apr 2026 |
| 70 | karofi.com | 3.52/10 | - | - | Oct 2025 |
| 71 | katholiekonderwijs.vlaanderen | 5.83/10 | - | 6 | May 2023 |
| 72 | kuaishou1688.com | 0.11/10 | - | - | Jun 2026 |
| 73 | machakos.go.ke | 2.39/10 | - | - | Aug 2024 |
| 74 | machineland.be | 3.06/10 | - | - | Apr 2025 |
| 75 | maxmovil.com | 2.51/10 | - | - | Jul 2026 |
| 76 | msajce-edu.in | 1.89/10 | - | - | Aug 2025 |
| 77 | namaa.sa | 2.48/10 | - | - | Mar 2026 |
| 78 | nedshoop.com | 0.15/10 | - | - | Mar 2022 |
| 79 | net-bourses.re | 1.34/10 | - | - | Feb 2025 |
| 80 | ortola-sa.es | 1.55/10 | - | - | Mar 2021 |
| 81 | oruzarnica.hr | 0.86/10 | - | - | Jun 2023 |
| 82 | portaldotrabalhador.am.gov.br | 2.93/10 | - | - | Jun 2021 |
| 83 | presalio.com | - | - | - | Nov 2025 |
| 84 | puntolaptop.com | 0.10/10 | - | - | May 2020 |
| 85 | puskarnicazagreb.hr | 0.43/10 | - | - | Nov 2022 |
| 86 | racco.com.br | 3.62/10 | - | - | May 2026 |
| 87 | rc-innovations.es | 2.31/10 | - | - | Jan 2025 |
| 88 | ripple-usd.net | - | - | - | Jul 2026 |
| 89 | rms40.com | 0.10/10 | - | - | Mar 2025 |
| 90 | rnf.co.id | 0.29/10 | - | - | Sep 2023 |
| 91 | rub.edu.bt | 4.00/10 | - | - | Feb 2025 |
| 92 | securimport.com | 1.37/10 | - | - | Apr 2025 |
| 93 | sibsau.ru | 4.51/10 | - | - | Aug 2018 |
| 94 | sigap.com | 0.72/10 | - | - | Sep 2025 |
| 95 | smu.edu.ph | 2.89/10 | - | - | Sep 2020 |
| 96 | spejderneslejr.dk | 4.01/10 | - | - | Aug 2022 |
| 97 | superskinme.id | 0.48/10 | - | - | Jun 2026 |
| 98 | thannaduong.vn | - | - | - | Sep 2021 |
| 99 | tiendadiggit.com.ar | 2.34/10 | - | - | Jul 2023 |
| 100 | usedcomputerindia.com | 0.46/10 | - | - | Aug 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) →
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