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Websites using Signal

86 websites detected · Updated Oct 28, 2026

What is Signal?

Signal is a technology in the Other category. 86 websites use Signal, detected by Hunter on Oct 28, 2026.

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The websites using Signal

A sample of the websites Hunter detects Signal on, ordered by web popularity.

Domain name Industry
1
google.com
Software Development 86,301 email addresses
2
icann.org
Technology, Information and Internet 2,072 email addresses
3
who.int
International Affairs 9,099 email addresses
4
insidehighered.com
Online Audio and Video Media 82 email addresses
5
icrc.org
Non-profit Organizations 7,329 email addresses
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You have 86 sites. Now reach the people.

Hunter already holds email addresses at all 50 websites listed above.

  • Anwar J. · Head of Industry Google

    85%

  • Jared E. · Senior Director, New gTLD Program ICANN

    99%

  • Manuel P. · Chief Executive Officer World Health Organization

    99%

Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.

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Who uses Signal

Websites running Signal, counted by industry and by country. Only the largest groups are shown.

By industry

Industry Websites
Professional Services 18
Technology, Information and Media 15
Manufacturing 7
Government Administration 7
Consumer Services 5
Hospitals and Health Care 4
Transportation, Logistics, Supply Chain and Storage 4
Administrative and Support Services 4
Financial Services 3
Construction 3
Accommodation Services 2
Retail 1

By country

Country Websites
United States 49
France 5
Sweden 5
United Kingdom 4
Switzerland 2
Germany 2
Canada 1
Czechia 1
Denmark 1
Finland 1
Georgia 1
Lithuania 1

Hunter detects Signal on 86 websites. The figure comes from Hunter's own crawl of company websites and is rebuilt every night, so it moves as sites adopt and drop the technology.

The table on this page is a sample of the websites running Signal, ordered by web popularity, with the industries they are in and how many email addresses Hunter holds for each. Create a free account to search any of them and see the addresses.

The websites Hunter detects Signal on most often also run Microsoft Excel, Python and jQuery.

Signal is one of the Other technologies Hunter tracks. Others it detects widely include Oxygen, Mustache and Wink.

Yes — that is what Hunter is for. The last column of the table shows how many email addresses Hunter already holds for a website, where it has found any. Sign up to see the addresses themselves, with the name and job title of the person behind each one.
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