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Technology answer

Modernizr

4,977,284

companies run it, 9.1% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 10,822,927 live hosts run it, of 191,809,695 hosts in the index, 5.6%. 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

4,977,252 at Sept 26; 5,620,446 twelve months earlier, -643,194, -11.4% 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
2021-015,124,7291,016,781
2021-025,124,7541,016,786
2021-035,124,7731,016,790
2021-045,124,7891,016,793
2021-055,124,8071,016,796
2021-065,124,8221,016,799
2021-075,124,8461,016,804
2021-085,125,1151,016,858
2021-095,125,2501,016,884
2021-105,125,3481,016,904
2021-115,125,4311,016,920
2021-125,125,5231,016,939
2022-015,125,5721,016,948
2022-025,125,6181,016,957
2022-035,125,6861,016,971
2022-045,125,7391,016,981
2022-055,125,7921,016,992
2022-065,125,8491,017,003
2022-075,125,9011,017,014
2022-085,125,9421,017,022
2022-095,125,8031,016,994
2022-105,125,7671,016,987
2022-115,125,7631,016,986
2022-125,125,7561,016,985
2023-015,125,7461,016,983
2023-025,125,7721,016,988
2023-035,125,8031,016,994
2023-045,177,1981,027,191
2023-055,183,2441,028,391
2023-065,189,2881,029,590
2023-075,195,3261,030,788
2023-085,201,3671,031,987
2023-095,207,4081,033,185
2023-105,213,4111,034,376
2023-115,219,4421,035,573
2023-125,225,4721,036,769
2024-015,231,5021,037,965
2024-025,237,5401,039,163
2024-035,267,3541,045,079
2024-045,289,1581,049,405
2024-055,259,5771,043,536
2024-065,275,6891,046,732
2024-075,291,7131,049,912
2024-085,309,0871,053,359
2024-095,342,2581,059,940
2024-105,387,9811,069,012
2024-115,430,6611,077,480
2024-125,469,3481,085,156
2025-015,515,3581,094,284
2025-025,550,5621,101,269
2025-035,585,7511,108,251
2025-045,599,1411,110,908
2025-055,612,3991,113,538
2025-065,631,3701,117,302
2025-075,645,5761,120,121
2025-085,658,0441,122,594
2025-095,620,4461,115,135
2025-105,566,7781,104,487
2025-115,500,5581,091,348
2025-125,437,3801,078,813
2026-015,378,5341,067,138
2026-025,321,0411,055,731
2026-035,276,9881,046,990
2026-045,244,9151,040,627
2026-055,204,6781,032,643
2026-065,166,9721,025,162
2026-075,112,6351,014,381
2026-085,051,9201,002,335
2026-094,977,252987,521

Both denominators, and a third

Shares of the same 4,977,284each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
9.1%
companies running anything in JavaScript Libraries
40,118,208
12.4%
companies running anything in Device and feature detection libraries
7,006,182
71.0%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Modernizr is rank 1 of 9 technologies in Device and feature detection libraries.

Open as a segment

4,977,284 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-modernizr

Open the segment

Catalogue record

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

A JavaScript library for detecting HTML5/CSS3 feature support in browsers.

Modernizr detects the availability of HTML, CSS, and JavaScript features in the user’s browser and exposes results to conditionally load code or styles. It is an open-source utility used by frontend developers to handle cross-browser differences.

Kindlibrary
VendorModernizr, modernizr.com
Slugmodernizr
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2019-05-29
Last discovered2026-09-10
Taxonomy releasetax-2026.10