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Segment answer

Companies running core-js, Mastodon and React

techcore-js×techMastodon×techReact×Add a filter: technology, sector, band or date

155

companies, <0.01% of 54,527,857 in the index. Landing 10 Sept 2026.

n8 of 10 buckets a dimension
Denominator155 companies in this segment
Landing10 Sept 2026
Figurefacets.tech-core-js.tech-mastodon.tech-react

8 of 10 buckets a dimensionof 155 companies in this segmentlanding 10 Sept 2026/method/segment-facetsfacets.tech-core-js.tech-mastodon.tech-react

How the segment is made up

NAICS sector

NAICS sector

Companiesof 155 in this segment

2 of 24 sectors; the remainder is the last row8 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 3 numbers behind this chart
SectorCompaniesShare
51 Information64
54 Professional, Scientific, and Technical Services38
22 other sectors, and unclassified53
Business category

Business category

Companiesof 155 in this segment

Tech Companies48
All other categories107

The 1 largest categories; the remainder is the last row9 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 2 numbers behind this chart
Business categoryCompaniesShare
Tech Companies48
All other categories107
Employee band

Employee band

Companiesof 155 in this segment

1 to 109310 to 10027
2 other bands, and unknown35

2 of 4 bands: the decades every page and every company on this site uses2 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 3 numbers behind this chart
BandCompaniesShare
1 to 1093
10 to 10027
2 other bands, and unknown35
Freshness

Freshness

Companiesof 155 in this segment

fresh57
recent26
aging10
stale62

Last verified, against landing 10 Sept 2026: within 30 days, 90, a year, past a year. The four add to the segment

The 4 numbers in this chart
TierCompaniesShare
fresh57
recent26
aging10
stale62
HQ country

HQ country

Companiesof 155 in this segment

the United States36Germany31the United Kingdom22
All other countries, and unknown66

The 3 largest countries the count returns; the remainder is the last row7 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 4 numbers behind this chart
CountryCompaniesShare
the United States36
Germany31
the United Kingdom22
All other countries, and unknown66
Technologies alongside core-js

Technologies alongside core-js

Companiesof 155 in this segment

The 8 most often alongside; these overlap and do not add upCounts and no share: the denominator is under 1,000

The 10 numbers behind this chart
TechnologyCompaniesShare
Ruby on Rails154
Webpack137
jQuery93
jQuery Easing88
PHP83
Nginx81
Bootstrap66
Font Awesome59
Schannel57
MySQL57
n9 rows shown
Denominator155 companies in this segment
Landing10 Sept 2026
Figurerows.tech-core-js.tech-mastodon.tech-react

9 rows shownof 155 companies in this segmentlanding 10 Sept 2026/method/segment-rowsrows.tech-core-js.tech-mastodon.tech-react

Who is in it

Company
Website
HQ country
Sector
Business category
Live technologies
Freshness
Czechia
51
Telecommunications
35
fresh
United States
51
Hosting & Cloud Infrastructure Providers
94
fresh
United States
51
Libraries
89
fresh
Japan
51
Tech Companies
17
fresh
Netherlands
54
Tech Companies
51
fresh
Netherlands
51
Tech Companies
14
fresh
United Kingdom
51
Tech Companies
13
fresh
United States
51
Tech Companies
33
fresh
United States
51
Hosting & Cloud Infrastructure Providers
16
fresh

9 rows of 155, by cursor. Ordered by the day the matched technology was first verified, most recent first. Freshness is at landing, 10 Sept 2026.

Next 9 rows

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