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Segment answer

Companies running core-js, PDF.js and React, headquartered in the United Kingdom

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

494

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

n8 of 10 buckets a dimension
Denominator494 companies in this segment
Landing10 Sept 2026
Figurefacets.tech-core-js.tech-pdf-js.tech-react.hq-gb

8 of 10 buckets a dimensionof 494 companies in this segmentlanding 10 Sept 2026/method/segment-facetsfacets.tech-core-js.tech-pdf-js.tech-react.hq-gb

How the segment is made up

NAICS sector

NAICS sector

Companiesof 494 in this segment

5 of 24 sectors; the remainder is the last row5 buckets hold under 20 companies and are folded into the remainderCounts and no share: the denominator is under 1,000

The 6 numbers behind this chart
SectorCompaniesShare
51 Information123
54 Professional, Scientific, and Technical Services119
61 Educational Services42
52 Finance and Insurance30
71 Arts, Entertainment, and Recreation21
19 other sectors, and unclassified159
Business category

Business category

Companiesof 494 in this segment

The 3 largest categories; 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
Business categoryCompaniesShare
Tech Companies108
Digital & Marketing Agencies23
Software Development Services23
All other categories340
Employee band

Employee band

Companiesof 494 in this segment

1 to 1022110 to 100182100 to 1,00060
1 other bands, and unknown31

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 10221
10 to 100182
100 to 1,00060
1 other bands, and unknown31
Freshness

Freshness

Companiesof 494 in this segment

fresh297
recent78
aging76
stale43

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
fresh297
recent78
aging76
stale43
HQ country

HQ country

Fixed to the United Kingdom by this segment

494 of 494. Remove the filter to see the top 10 countries, with the remainder drawn.

Technologies alongside core-js

Technologies alongside core-js

Companiesof 494 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
PHP367
Google Tag Manager367
Google Analytics355
Google Campaign Manager 360352
DoubleClick Floodlight352
MySQL338
WordPress334
Google Font API319
Cloudflare293
jQuery284
n9 rows shown
Denominator494 companies in this segment
Landing10 Sept 2026
Figurerows.tech-core-js.tech-pdf-js.tech-react.hq-gb

9 rows shownof 494 companies in this segmentlanding 10 Sept 2026/method/segment-rowsrows.tech-core-js.tech-pdf-js.tech-react.hq-gb

Who is in it

Company
Website
HQ country
Sector
Business category
Live technologies
Freshness
United Kingdom
51
Tech Companies
19
fresh
United Kingdom
54
Biotechnology
132
fresh
United Kingdom
33
Semiconductors
136
fresh
United Kingdom
72
Inns
179
fresh
United Kingdom
44
Automobile Dealers & Manufacturers
62
fresh
United Kingdom
54
Accounting & Bookkeeping Services
295
fresh
United Kingdom
81
Churches & Religious Organizations
25
fresh
United Kingdom
54
Tech Companies
40
fresh
United Kingdom
52
Investment Consultants & Financial Advisors
63
fresh

9 rows of 494, 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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