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Technology answer

Screenfull.js

3,178

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

Hosts: 6,904 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

3,178 at Sept 26; 3,036 twelve months earlier, +142, +4.7% 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
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2024-08withheld0
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2024-1023367
2024-11467134
2024-12698201
2025-01956275
2025-021,206346
2025-031,456418
2025-041,710491
2025-051,959563
2025-062,241644
2025-072,522725
2025-082,800804
2025-093,036872
2025-103,241931
2025-113,282943
2025-123,286944
2026-013,294946
2026-023,294946
2026-033,305949
2026-043,310951
2026-053,310951
2026-063,317953
2026-073,279942
2026-083,232929
2026-093,178913

Both denominators, and a third

Shares of the same 3,178each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
<0.01%
companies running anything in JavaScript Libraries
40,118,208
<0.01%
companies running anything in General JavaScript utilities
18,294,596
0.02%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Screenfull.js is rank 62 of 87 technologies in General JavaScript utilities.

Open as a segment

3,178 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-screenfull-js

Open the segment

Catalogue record

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

A tiny JavaScript library that simplifies using the Fullscreen API.

Screenfull.js provides a cross-browser wrapper around the Fullscreen API, exposing simple methods to enter and exit fullscreen mode. It is an open-source utility by Sindre Sorhus used in web apps and sites needing fullscreen behavior.

Kindlibrary
VendorSindre Sorhus, sindresorhus.com
Slugscreenfull-js
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2025-02-02
Last discovered2026-09-10
Taxonomy releasetax-2026.10