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Websites using Heroku

452 websites detected · Updated Oct 7, 2026

What is Heroku?

Heroku is a technology in the Cloud Computing Services category. 452 websites use Heroku, detected by Hunter on Oct 7, 2026.

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The websites using Heroku

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

Domain name Industry
1
mozilla.org
Software Development 423 email addresses
2
surveymonkey.com
Software Development 148 email addresses
3
ft.com
Newspaper Publishing 3,096 email addresses
4
salesforce.com
Software Development 38,688 email addresses
5
cisco.com
Software Development 95,041 email addresses
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You have 452 sites. Now reach the people.

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

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Who uses Heroku

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

By industry

Industry Websites
Technology, Information and Media 137
Professional Services 105
Financial Services 28
Administrative and Support Services 22
Consumer Services 17
Manufacturing 15
Education 12
Entertainment Providers 11
Hospitals and Health Care 10
Retail 10
Accommodation Services 9
Information Technology and Services 9

By country

Country Websites
United States of America 256
United Kingdom of Great Britain and Northern Ireland 36
France 15
Germany 13
Canada 12
Australia 8
Brazil 7
Switzerland 7
Spain 7
India 7
Japan 6
Sweden 6

Heroku by country

The countries where we detected enough Heroku websites to rank them.

Hunter detects Heroku on 452 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 Heroku, 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 Heroku on most often also run Amazon Web Services, React and JavaScript.

Heroku is one of the Cloud Computing Services technologies Hunter tracks. Others it detects widely include cdnjs, Amazon Web Services and Google Cloud.

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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