Websites Powered by mod_rack

1,023 websites tracked using mod_rack (Web server extensions) · phusionpassenger.com

mod_rack is a web-server extension or module. Its official site is phusionpassenger.com. PoweredBy tracks the websites that use mod_rack across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web server extensions ecosystem.

Usage trend

Domains observed using mod_rack in each month's HTTP Archive crawl, Apr 2018 to Oct 2026 · peak 573 in May 2019. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.4 s INP 50 ms CLS 0 TTFB 700 ms

Median site among 319 mod_rack sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 121
Japan 75
India 66
United Kingdom 61
Germany 58
Canada 55
Spain 54
Taiwan 54

Sites using mod_rack by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Games 0.01% 1
Education <0.01% 2
Travel and hospitality <0.01% 2
Retail <0.01% 1

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

Top sites by authority

9+ 0% · 0 of 372 sites
8+ <1% · 3 of 7,677 sites
7+ <1% · 5 of 45,712 sites
6+ <1% · 10 of 110,136 sites
5+ <1% · 14 of 246,751 sites

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

Websites using mod_rack

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1 ucm.es 8.60/10 15,000 16,497 Aug 2018
2 helsinki.fi 8.57/10 10,800 5,290 Aug 2022
3 beniculturali.it 8.41/10 - - Oct 2022
4 iitk.ac.in 7.81/10 7,700 7,795 Mar 2021
5 inpi.gov.br 7.37/10 - 1 Dec 2020
6 ntpc.edu.tw 6.90/10 - 2 Aug 2022
7 grahamfoundation.org 6.57/10 870 756 Jan 2019
8 catchmyparty.com 6.40/10 3,300 14,013 Jun 2018
9 digipen.edu 6.35/10 4,900 1,562 Aug 2018
10 sabah.gov.my 6.27/10 88 87 Aug 2018
11 fotomoto.com 5.50/10 61 10 Jan 2016
12 berkeleydailyplanet.com 5.39/10 490 950 Jan 2019
13 cy.edu.tw 5.39/10 - - Aug 2022
14 crown.edu 5.29/10 1,200 515 Oct 2021
15 iskon.hr 4.75/10 - - May 2023
16 wakayama-hidaka.lg.jp 4.69/10 - - Jan 2019
17 town.mihama.wakayama.jp 4.69/10 - - Jan 2019
18 town.yura.wakayama.jp 4.58/10 - - Apr 2019
19 krsu.kg 4.24/10 - - May 2025
20 strategie-aims.com 4.04/10 - - Jan 2016
21 runicgames.com 4.00/10 - - Aug 2018
22 manapedia.jp 3.86/10 - - Aug 2018
23 jkbprint.pl 3.49/10 - - Feb 2021
24 wheatsheafhotel.com.au 3.35/10 - - Feb 2019
25 ppbep.org 3.26/10 - - Oct 2022
26 hitap.net 3.15/10 - - Jan 2019
27 taiwanhouse.org.tw 2.77/10 - - Jan 2019
28 netspace.sk 2.74/10 - - Aug 2022
29 sevierriver.org 2.65/10 - - Jul 2019
30 smallregistry.net 2.60/10 - - Apr 2024
31 wlin.pl 2.57/10 - - Jan 2019
32 waltontaxcollector.com 2.41/10 - - Jan 2019
33 gamesforlanguage.com 2.40/10 - - Aug 2016
34 slodkislony.pl 2.31/10 - - Jan 2019
35 heiando.net 2.20/10 - - Jan 2019
36 kolmisoft.com 2.16/10 - - Dec 2022
37 sorrelli.com 2.07/10 - - Feb 2023
38 ishome.com.tw 2.03/10 - - Jan 2016
39 naijalingo.com 1.99/10 - - Jan 2019
40 westwightalpacas.co.uk 1.96/10 - - Apr 2019
41 aurigabonos.es 1.88/10 - - Jan 2019
42 aqualud.com 1.88/10 - - Jul 2026
43 festland-verlag.com 1.87/10 - - Feb 2019
44 heidiclementi.at 1.81/10 - - May 2020
45 mtcook.com 1.77/10 - - Feb 2019
46 thea.be 1.72/10 - - Jun 2024
47 asianet.co.th 1.72/10 - - Aug 2023
48 saman.it 1.71/10 - - Jul 2026
49 philharmoniachorus.co.uk 1.62/10 - - Aug 2022
50 mainstage.com 1.62/10 - - Aug 2022
51 cigarfactoryneworleans.com 1.52/10 - - Feb 2019
52 escambiahfa.com 1.48/10 - - Aug 2022
53 pdo1.org 1.45/10 - - Jun 2024
54 seoulhotelspage.com 1.44/10 - - Feb 2026
55 pravosoznanie.org 1.43/10 - - Jul 2020
56 novikontas.lv 1.39/10 - - Aug 2022
57 94hi.net 1.37/10 - - Mar 2024
58 tcr.org.tw 1.37/10 - - Apr 2019
59 pikkado.com 1.35/10 - - Jan 2019
60 boribook.com 1.24/10 - - Jul 2019
61 hotels-split-dalmatia.com 1.24/10 - - Nov 2025
62 allvisayashotels.com 1.23/10 18 301 Nov 2025
63 parkettachse.at 1.18/10 - - Jul 2020
64 obecny-portal.sk 1.07/10 - - Aug 2022
65 valencia-hotels.net 1.03/10 - - Nov 2025
66 albionmotorcars.com 1.02/10 10 54 May 2019
67 wedding-invi.jp 0.94/10 - - Jan 2019
68 kaasbro.org.tw 0.93/10 - - May 2019
69 restaurang-marinas.fi 0.93/10 - - Sep 2020
70 xn--ihq79iy7t7ror1gulerwaz25eiuf.tw 0.86/10 - - Jun 2020
71 aeg-partner.com.ua 0.86/10 - - May 2019
72 hotel-lasvegas.net 0.86/10 - - Feb 2026
73 val-center.com 0.79/10 - - Jan 2019
74 mississippitophotels.com 0.78/10 - - Mar 2026
75 tekuteku-matsue.com 0.77/10 - - Oct 2022
76 diti-mephi.ru 0.72/10 - - Aug 2022
77 przyforcie.pl 0.69/10 - - May 2019
78 xn--ihq79igzlxvh76tg6hs1ehqg1t6a.tw 0.66/10 - - May 2019
79 summittech.us 0.65/10 - - Aug 2022
80 900city.org.tw 0.64/10 - - Sep 2022
81 miaolihouse.org.tw 0.63/10 - - May 2021
82 hotels-in-budva.com 0.62/10 - - Nov 2025
83 hotelsmarsaalam.com 0.55/10 - - Apr 2025
84 thebodrumhotels.com 0.47/10 - - Mar 2026
85 turnerhire.com 0.47/10 - - May 2019
86 hotelesmorelia.net 0.47/10 - - Nov 2025
87 cebuphilippineshotel.com 0.46/10 - - Nov 2025
88 hotels-mecca.com 0.43/10 - - Feb 2026
89 styriahotelsweb.com 0.43/10 - - Mar 2026
90 homenet.dp.ua 0.42/10 - - Oct 2021
91 vo47.ru 0.40/10 - - May 2026
92 hotel-genoa.com 0.40/10 - - Nov 2025
93 bitcomp.sk 0.40/10 - - Aug 2022
94 themiamihotels.com 0.39/10 - - Mar 2026
95 hotels-agra.com 0.39/10 - - Nov 2025
96 arequipahotels24.com 0.39/10 5 26 Apr 2025
97 teufelhollyfarms.com 0.38/10 - - Jan 2021
98 cyprushotelspaphos.com 0.38/10 - - Aug 2026
99 hopkinsons.net 0.37/10 - - Sep 2020
100 guitar-shop.com.ua 0.37/10 - - Dec 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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