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Technology answer

Varnish

822,933

companies run it, 1.5% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 2,560,716 live hosts run it, of 191,809,695 hosts in the index, 1.3%. 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

822,906 at Sept 26; 823,195 twelve months earlier, -289, -0.0% 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
2021-01522,40871,739
2021-02522,41371,739
2021-03522,41671,740
2021-04522,42071,740
2021-05522,42471,741
2021-06522,42871,741
2021-07522,43571,742
2021-08522,56771,760
2021-09522,62771,769
2021-10522,67571,775
2021-11522,72671,782
2021-12522,79071,791
2022-01522,83771,797
2022-02522,88371,804
2022-03522,93871,811
2022-04522,98671,818
2022-05523,03571,825
2022-06523,09071,832
2022-07523,14571,840
2022-08523,19671,847
2022-09523,14071,839
2022-10523,15071,840
2022-11523,17071,843
2022-12523,18671,845
2023-01523,19371,846
2023-02523,21471,849
2023-03523,23571,852
2023-04532,83073,170
2023-05536,18973,631
2023-06539,54774,092
2023-07542,89774,552
2023-08546,24775,012
2023-09549,59775,472
2023-10552,93575,931
2023-11556,27776,389
2023-12559,61976,848
2024-01562,96077,307
2024-02566,31877,768
2024-03575,37979,013
2024-04583,41980,117
2024-05581,87779,905
2024-06586,64480,560
2024-07591,39881,212
2024-08596,49881,913
2024-09607,22783,386
2024-10625,49985,895
2024-11645,34588,621
2024-12664,75391,286
2025-01686,08194,215
2025-02706,20896,978
2025-03726,31899,740
2025-04741,768101,862
2025-05757,406104,009
2025-06775,084106,437
2025-07792,311108,802
2025-08810,258111,267
2025-09823,195113,043
2025-10830,470114,042
2025-11830,202114,006
2025-12828,360113,753
2026-01827,129113,584
2026-02828,888113,825
2026-03833,385114,443
2026-04833,800114,500
2026-05833,059114,398
2026-06833,251114,424
2026-07830,539114,052
2026-08827,773113,672
2026-09822,906113,004

Both denominators, and a third

Shares of the same 822,933each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
1.5%
companies running anything in Performance and Caching
5,393,469
15.3%
companies running anything in Reverse proxy caches
1,216,413
67.7%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Varnish is rank 1 of 3 technologies in Reverse proxy caches.

Open as a segment

822,933 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-varnish

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Catalogue record

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

An open‑source HTTP accelerator and reverse proxy for web content caching.

Varnish Cache is a self-hosted caching reverse proxy that accelerates delivery of web and API content. It is maintained as an open-source project and deployed by engineering teams to improve performance and reduce load on origin servers.

Kindproduct
VendorVarnish Cache Project, varnish-cache.org
PathInfrastructure and Hosting > Performance and Caching > Reverse proxy caches
Slugvarnish
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2019-10-04
Last discovered2026-09-10
Taxonomy releasetax-2026.10