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Technology answer

Phusion Passenger

46,765

companies run it, 0.09% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 151,276 live hosts run it, of 191,809,695 hosts in the index, 0.08%. A host is a website, not a company.

Companies by month

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

46,765 at Sept 26; 47,815 twelve months earlier, -1,050, -2.2% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-0132,9188,443
2021-0232,9208,443
2021-0332,9218,444
2021-0432,9218,444
2021-0532,9228,444
2021-0632,9228,444
2021-0732,9228,444
2021-0832,9368,448
2021-0932,9448,450
2021-1032,9508,451
2021-1132,9568,453
2021-1232,9618,454
2022-0132,9658,455
2022-0232,9708,456
2022-0332,9748,457
2022-0432,9798,459
2022-0532,9848,460
2022-0632,9908,461
2022-0732,9968,463
2022-0833,0018,464
2022-0932,9978,463
2022-1032,9978,463
2022-1132,9998,464
2022-1233,0018,464
2023-0133,0038,465
2023-0233,0068,465
2023-0333,0098,466
2023-0433,4338,575
2023-0533,4138,570
2023-0633,3938,565
2023-0733,3718,559
2023-0833,3508,554
2023-0933,3288,548
2023-1033,3058,542
2023-1133,2838,537
2023-1233,2608,531
2024-0133,2378,525
2024-0233,2158,519
2024-0333,4148,570
2024-0433,5058,593
2024-0533,1748,509
2024-0633,2958,540
2024-0733,4108,569
2024-0833,5578,607
2024-0933,9008,695
2024-1035,1139,006
2024-1136,4019,336
2024-1237,6269,650
2025-0138,9379,987
2025-0240,18010,305
2025-0341,42410,625
2025-0442,46910,893
2025-0543,57711,177
2025-0644,74011,475
2025-0745,84411,758
2025-0846,94212,040
2025-0947,81512,264
2025-1048,49112,437
2025-1148,29712,387
2025-1248,02812,318
2026-0147,82812,267
2026-0247,71812,239
2026-0347,73312,243
2026-0447,63612,218
2026-0547,49312,181
2026-0647,38212,153
2026-0747,16712,098
2026-0846,98112,050
2026-0946,76511,994

Both denominators, and a third

Shares of the same 46,765each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.09%
companies running anything in Web Servers
32,553,744
0.14%
companies running anything in Web server modules and extensions
393,083
11.9%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Phusion Passenger is rank 3 of 13 technologies in Web server modules and extensions.

Open as a segment

46,765 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-phusion-passenger

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

An application server and web server module for running Ruby, Python, and Node.js apps behind Nginx or Apache.

Phusion Passenger is an application server that integrates with Nginx or Apache to manage and serve Ruby, Python, and Node.js applications. It is developed by Phusion and offered as an open-source core with commercial editions for businesses.

Kindproduct
VendorPhusion Passenger, phusionpassenger.com
PathInfrastructure and Hosting > Web Servers > Web server modules and extensions
Slugphusion-passenger
Deploymentself-hosted
Pricingfreemium, subscription, quote based
Open sourceyes
First discovered2019-10-04
Last discovered2026-09-10
Taxonomy releasetax-2026.10