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Technology answer

Proof Factor

5,549

companies run it, 0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 6,796 live hosts run it, of 191,809,695 hosts in the index, <0.01%. 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

5,549 at Sept 26; 178 twelve months earlier, +5,371, +3017.4% 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
2021-0100
2021-0200
2021-0300
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2021-0500
2021-0600
2021-0700
2021-0800
2021-0900
2021-1000
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2022-0100
2022-0200
2022-0300
2022-0400
2022-0500
2022-0600
2022-0700
2022-0800
2022-0900
2022-1000
2022-1100
2022-1200
2023-0100
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2023-0300
2023-0400
2023-0500
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2023-0700
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2024-0100
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2024-1000
2024-1100
2024-1200
2025-0100
2025-0200
2025-0300
2025-0400
2025-0500
2025-0600
2025-0700
2025-081036
2025-0917810
2025-1024813
2025-1131817
2025-1238821
2026-0146125
2026-021,59686
2026-033,091167
2026-043,348180
2026-053,653197
2026-064,018217
2026-074,464241
2026-085,022271
2026-095,549299

Both denominators, and a third

Shares of the same 5,549each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.01%
companies running anything in Experimentation and Personalisation
759,439
0.73%
companies running anything in Social proof tools
6,751
82.2%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Proof Factor is rank 1 of 6 technologies in Social proof tools.

Open as a segment

5,549 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-proof-factor

Open the segment

Catalogue record

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

A social proof and FOMO widget for conversion optimization.

Proof Factor displays recent activity, reviews, and scarcity notifications on websites to increase conversions. Marketers and ecommerce stores use it to boost sign-ups and sales.

Kindproduct
VendorProof Factor, prooffactor.com
Slugproof-factor
Deploymentsaas
Pricingsubscription
Open sourceno
First discovered2026-02-25
Last discovered2026-09-10
Taxonomy releasetax-2026.10