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Segment answer

Companies running core-js, Preact, React and Sentry, headquartered in the United Kingdom

techcore-js×techPreact×techReact×techSentry×hqUnited Kingdom×Add a filter: technology, sector, band or date

466

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

n8 of 10 buckets a dimension
Denominator466 companies in this segment
Landing10 Sept 2026
Figurefacets.tech-core-js.tech-preact.tech-react.tech-sentry.hq-gb

8 of 10 buckets a dimensionof 466 companies in this segmentlanding 10 Sept 2026/method/segment-facetsfacets.tech-core-js.tech-preact.tech-react.tech-sentry.hq-gb

How the segment is made up

NAICS sector

NAICS sector

Companiesof 466 in this segment

8 of 24 sectors; the remainder is the last row2 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 9 numbers behind this chart
SectorCompaniesShare
54 Professional, Scientific, and Technical Services81
51 Information76
45 Retail Trade56
61 Educational Services34
33 Manufacturing25
31 Manufacturing24
62 Health Care and Social Assistance21
71 Arts, Entertainment, and Recreation21
16 other sectors, and unclassified128
Business category

Business category

Companiesof 466 in this segment

Tech Companies66
All other categories400

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 Companies66
All other categories400
Employee band

Employee band

Companiesof 466 in this segment

1 to 1024110 to 100166100 to 1,00035
1 other bands, and unknown24

3 of 4 bands: the decades every page and every company on this site uses1 bucket holds under 20 companies and is folded into the remainderCounts and no share: the denominator is under 1,000

The 4 numbers behind this chart
BandCompaniesShare
1 to 10241
10 to 100166
100 to 1,00035
1 other bands, and unknown24
Freshness

Freshness

Companiesof 466 in this segment

fresh334
recent69
aging49
stale14

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
fresh334
recent69
aging49
stale14
HQ country

HQ country

Fixed to the United Kingdom by this segment

466 of 466. Remove the filter to see the top 10 countries, with the remainder drawn.

Technologies alongside core-js

Technologies alongside core-js

Companiesof 466 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
PHP387
Google Tag Manager351
Google Analytics343
DoubleClick Floodlight336
Google Campaign Manager 360335
Cloudflare332
MySQL327
WordPress326
Google Font API321
Facebook318
n9 rows shown
Denominator466 companies in this segment
Landing10 Sept 2026
Figurerows.tech-core-js.tech-preact.tech-react.tech-sentry.hq-gb

9 rows shownof 466 companies in this segmentlanding 10 Sept 2026/method/segment-rowsrows.tech-core-js.tech-preact.tech-react.tech-sentry.hq-gb

Who is in it

Company
Website
HQ country
Sector
Business category
Live technologies
Freshness
United Kingdom
51
Tech Companies
70
fresh
United Kingdom
81
Boys & Girls Clubs
78
fresh
United Kingdom
54
Photographers & Photographic Studios
22
fresh
United Kingdom
54
Photographers & Photographic Studios
26
fresh
United Kingdom
49
Food delivery
71
fresh
United Kingdom
44
Auto Parts Store
42
fresh
United Kingdom
71
Sports & Leisure - Clubs, Fields & Pitches
174
fresh
United Kingdom
72
Pubs & Bars
56
fresh
United Kingdom
54
Photographers & Photographic Studios
23
fresh

9 rows of 466, 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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