Websites Powered by Fat-Free Framework
2,688 websites tracked using Fat-Free Framework (Web frameworks) · fatfreeframework.com
Fat-Free Framework is a web application framework used to build the site's backend. Its official site is fatfreeframework.com. PoweredBy tracks the websites that use Fat-Free Framework 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
Jun 2018
Jul 2020
Aug 2022
Sep 2024
Oct 2026
Domains observed using Fat-Free Framework in each month's HTTP Archive crawl,
Jun 2018 to Oct 2026 · peak 1,315 in Feb 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 1,097 Fat-Free Framework sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
263
Italy
220
France
141
Poland
138
Germany
134
United Kingdom
121
India
107
Netherlands
100
Sites using Fat-Free Framework by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Real estate | 0.04% | 31 |
| Government | 0.01% | 1 |
| News and media | 0.01% | 5 |
| Non-profit and religious | <0.01% | 1 |
| Travel and hospitality | <0.01% | 6 |
| Finance and insurance | <0.01% | 1 |
| Software and apps | <0.01% | 5 |
| Retail | <0.01% | 9 |
| Arts and entertainment | <0.01% | 1 |
| Professional services | <0.01% | 1 |
| Home and construction | <0.01% | 1 |
| Education | <0.01% | 1 |
Share of each industry's websites with a detected stack that use Fat-Free Framework; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 1 of 372 sites
8+
<1% · 8 of 7,677 sites
7+
<1% · 14 of 45,712 sites
6+
<1% · 24 of 110,136 sites
5+
<1% · 35 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Fat-Free Framework in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Fat-Free Framework
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Aug 2022 |
| 2 | lu.se | 8.65/10 | 350 | 710 | Aug 2018 |
| 3 | fiu.edu | 8.35/10 | 117,600 | 25,964 | Sep 2023 |
| 4 | unicamp.br | 8.34/10 | 860 | 1,061 | Jul 2020 |
| 5 | abb.com | 8.31/10 | 14,000 | 15,537 | Dec 2020 |
| 6 | charite.de | 8.26/10 | 600 | 676 | Feb 2023 |
| 7 | uni-regensburg.de | 8.22/10 | 680 | 893 | Apr 2020 |
| 8 | southampton.ac.uk | 8.20/10 | 39,200 | 20,825 | Aug 2018 |
| 9 | biz.ua | 7.86/10 | - | - | Jan 2019 |
| 10 | kemdiktisaintek.go.id | 7.60/10 | 310 | 225 | Nov 2025 |
| 11 | am730.com.hk | 7.59/10 | 600 | 291 | Feb 2022 |
| 12 | spk-berlin.de | 7.11/10 | - | - | Sep 2021 |
| 13 | uin-malang.ac.id | 7.11/10 | 76 | 142 | Jun 2018 |
| 14 | menpan.go.id | 7.08/10 | 380 | 332 | Jul 2023 |
| 15 | giornaledibrescia.it | 6.96/10 | 390 | 1,234 | Mar 2020 |
| 16 | katowice.eu | 6.92/10 | 45 | 42 | Feb 2019 |
| 17 | szigetfestival.com | 6.81/10 | 5,300 | 6,300 | Sep 2026 |
| 18 | wacken.com | 6.76/10 | 4,500 | 1,842 | May 2025 |
| 19 | fyyd.de | 6.57/10 | 110 | 547 | Jan 2019 |
| 20 | keurslager.nl | 6.41/10 | 4 | 39 | Jun 2020 |
| 21 | iap.pl | 6.40/10 | - | - | Jan 2019 |
| 22 | ticketapp.org | 6.31/10 | - | - | Jan 2026 |
| 23 | utem.cl | 6.18/10 | 20 | 19 | Aug 2018 |
| 24 | universalpictures.jp | 6.01/10 | 13 | 58 | Jul 2019 |
| 25 | thecmp.org | 5.97/10 | 85,700 | 14,692 | Jan 2024 |
| 26 | dialog.lk | 5.90/10 | 10,200 | 4,403 | Apr 2020 |
| 27 | radioboss.fm | 5.78/10 | 120 | 38 | Aug 2022 |
| 28 | airtory.com | 5.75/10 | 100 | 290 | Dec 2021 |
| 29 | preslib.az | 5.60/10 | 2 | 6 | Aug 2018 |
| 30 | fszek.hu | 5.43/10 | 310 | 24 | May 2021 |
| 31 | eeagrants.ro | 5.33/10 | - | 2 | Jan 2019 |
| 32 | upig.de | 5.30/10 | 11 | 37 | Jan 2019 |
| 33 | bspu.by | 5.30/10 | - | 13 | Aug 2018 |
| 34 | prk24.pl | 5.23/10 | 110 | 205 | Jun 2026 |
| 35 | resourcesforclients.com | 5.16/10 | - | - | Aug 2022 |
| 36 | printnode.com | 4.97/10 | - | - | Aug 2018 |
| 37 | fabrikpotsdam.de | 4.94/10 | - | - | Mar 2020 |
| 38 | bafe.org.uk | 4.87/10 | 270 | 168 | Apr 2021 |
| 39 | echtebakker.nl | 4.87/10 | - | - | Sep 2020 |
| 40 | nord-vest.ro | 4.77/10 | - | - | Feb 2024 |
| 41 | pr.ac.rs | 4.76/10 | - | - | Nov 2021 |
| 42 | universalpictures.es | 4.76/10 | - | - | Jan 2019 |
| 43 | universalpictures.fr | 4.74/10 | - | - | Jan 2019 |
| 44 | indownloader.app | 4.73/10 | - | - | May 2023 |
| 45 | kicker.com | 4.73/10 | - | - | Jun 2018 |
| 46 | szs.pl | 4.73/10 | - | - | Sep 2018 |
| 47 | 3plus.pl | 4.72/10 | - | 4 | Mar 2019 |
| 48 | universalpictures.it | 4.72/10 | - | - | Apr 2019 |
| 49 | bodalgo.com | 4.69/10 | - | - | Jun 2018 |
| 50 | liquidgasuk.org | 4.69/10 | - | - | Feb 2020 |
| 51 | opensubtitles.com | 4.69/10 | - | - | Jun 2023 |
| 52 | sekten-info-nrw.de | 4.69/10 | - | - | Jul 2020 |
| 53 | grodzisk.pl | 4.69/10 | - | - | Dec 2022 |
| 54 | technologijos.lt | 4.69/10 | - | - | Jul 2019 |
| 55 | reanin.com | 4.61/10 | - | - | Nov 2022 |
| 56 | gagaoolala.com | 4.55/10 | - | - | Jun 2018 |
| 57 | pibr.org.pl | 4.39/10 | - | - | Jan 2019 |
| 58 | mezogazdasagimuzeum.hu | 4.32/10 | - | - | Jan 2019 |
| 59 | dailyinfo.co.uk | 4.26/10 | - | - | Jun 2018 |
| 60 | dreamtown.com | 4.20/10 | - | - | Jun 2020 |
| 61 | yimba.sk | 4.18/10 | - | - | Jan 2019 |
| 62 | dns-systems.net | 4.17/10 | - | - | Jul 2025 |
| 63 | atalante.fr | 4.17/10 | 20 | 113 | Jul 2023 |
| 64 | anac.gob.ar | 4.14/10 | - | - | Feb 2019 |
| 65 | universalpictures.nl | 4.12/10 | - | - | Feb 2020 |
| 66 | vdsina.ru | 4.02/10 | - | - | Jan 2019 |
| 67 | bogballe.com | 4.02/10 | - | - | Mar 2024 |
| 68 | atas.pl | 3.96/10 | 2 | 8 | Jan 2019 |
| 69 | expertusone.com | 3.91/10 | - | - | Apr 2023 |
| 70 | universalpictures.com.au | 3.86/10 | - | - | Jan 2019 |
| 71 | cnv.gob.ar | 3.84/10 | - | - | Jan 2021 |
| 72 | lyubimiigorod.ru | 3.84/10 | - | - | Mar 2020 |
| 73 | kuchnieswiata.com.pl | 3.83/10 | - | - | Sep 2021 |
| 74 | samsung.at | 3.72/10 | - | - | Dec 2025 |
| 75 | books-express.ro | 3.71/10 | - | - | Jun 2018 |
| 76 | bakkersonline.be | 3.70/10 | - | 11 | Jan 2019 |
| 77 | bakeronline.be | 3.67/10 | 4 | 13 | Apr 2019 |
| 78 | magicview.hu | 3.67/10 | - | - | Jan 2019 |
| 79 | ccfiscali.ro | 3.67/10 | - | - | Nov 2024 |
| 80 | imagingworld.de | 3.62/10 | - | - | Sep 2025 |
| 81 | hernandoclerk.com | 3.61/10 | - | - | Sep 2025 |
| 82 | snaptik.pro | 3.60/10 | - | - | Mar 2022 |
| 83 | 24eme.fr | 3.60/10 | - | - | Sep 2023 |
| 84 | alebuty.com.pl | 3.55/10 | 32 | 26 | Jan 2020 |
| 85 | unt.edu.rs | 3.55/10 | - | - | Jun 2024 |
| 86 | ampcapocarbonara.it | 3.55/10 | - | 2 | Jul 2022 |
| 87 | universalpictures.at | 3.54/10 | - | - | Oct 2021 |
| 88 | ponar-wadowice.pl | 3.52/10 | - | - | Sep 2019 |
| 89 | universalpictures.de | 3.50/10 | - | - | Jan 2019 |
| 90 | fabrykabroni.pl | 3.49/10 | - | - | Sep 2023 |
| 91 | mv4you.de | 3.48/10 | - | - | Jun 2022 |
| 92 | seat-auto.pl | 3.47/10 | - | - | Aug 2018 |
| 93 | universalpics.com.br | 3.46/10 | - | - | Jan 2019 |
| 94 | taraka.pl | 3.46/10 | - | - | Nov 2022 |
| 95 | europa-creativa.eu | 3.42/10 | - | - | Nov 2022 |
| 96 | oldschoolvalue.com | 3.40/10 | - | - | Jun 2026 |
| 97 | gestionaleimmobiliare.it | 3.38/10 | - | - | Jul 2023 |
| 98 | sztormgrupa.pl | 3.38/10 | - | - | Nov 2022 |
| 99 | todaysoftmag.ro | 3.35/10 | - | - | Jan 2019 |
| 100 | onikilevha.com.tr | 3.30/10 | - | - | Jan 2019 |
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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