// analytics
Websites that use Opentracker in 2026
We track 281 websites running Opentracker across 48 industries and 18 countries. Browse a sample of 100 matched company profiles below, each with industry, location, and verified contact data.
- industries
- 48
- countries
- 18
- websites tracked
- 281
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Companies using Opentracker
Showing 25 of 100
| Website | Company | Industry | HQ |
|---|---|---|---|
| canmoor.com | Real Estate |  GB | |
| controlinstruments.com | Machinery Manufacturing |  US | |
| helpsishere.org | Law Practice | US | |
| heratylaw.com | Law Practice | US | |
| iconsultancy.nl | Information Services |  NL | |
| ic-potential.com | Operations Consulting |  SE | |
| kilmerlucas.com | Financial Services |  CA | |
| rapind.com | Media Production | GB | |
| singersbabel.com | Music | US | |
| arthritisaustralia.com.au | Wellness and Fitness Services |  AU | |
| afoa.org | Environmental Services | US | |
| stainlesscablerailing.com | Building Materials | US | |
| toolkrib.com | Robot Manufacturing | US | |
| terrihiggins.com | Fine Art | US | |
| uspresort.com | Marketing Services | US | |
| vhcdc.org | Non-profit Organizations | US | |
| vattenfall.de | Utilities |  DE | |
| coffee.org | US | ||
| utoronto.ca | Higher Education | CA | |
| amnet-systems.com | Information Services |  IN | |
| scatech.com | Information Technology and Services | US | |
| nukewatch.org | Information Technology and Services | US | |
| lowerelectric.com | Consumer Services | US | |
| pegasusics.com | Investment Banking | US | |
| copyright.com | Information Services | US |
Refine to your ICP
Narrow these 100 companies down to the ones that match your ideal customer profile.
No credit card required.
Industry breakdown
How many websites use Opentracker?
We track 281 websites that use Opentracker in 2026. Those sites span 48 industries and 18 countries. The crawler re-checks each domain daily. So the count moves as sites adopt Opentracker or drop it.
Opentracker belongs to the Analytics category. Sites in that category tend to share a similar stack. As a result, they often share buying patterns too.
The table above shows a sample of 100 matched companies. Each row carries an industry, a country, and a live domain. You can search it, sort it, and export it.
Which industries use Opentracker most?
Adoption is not spread evenly. Instead, a few industries account for most of the matched sample:
- Information Services12%
- Information Technology and Services5%
- Marketing Services5%
- Law Practice4%
- Real Estate3%
Information Services leads that list. However, the long tail matters just as much. Adoption reaches 48 industries in total. So you can narrow the list to the segment you sell into.
Where are websites that use Opentracker based?
The matched companies sit in 18 countries. These lead the sample:
- United States 58
- United Kingdom 8
- Canada 6
- India 5
- Australia 3
United States is the largest single market in this sample. Because the country is stored per row, you can filter before you export. That keeps your outreach inside one timezone and one legal regime.
How to find websites that use Opentracker
Start with the table above. Then follow these four steps to turn it into an outreach list:
- Filter the sample. Narrow by industry or country until the rows match your ideal customer profile.
- Export the domains. Share the page to unlock the CSV, or sign in for the full dataset.
- Find the people. Run each domain through Domain Search to pull every work email behind it.
- Verify before you send. Pass the results through the Email Verifier so your bounce rate stays low.
Working at volume? Push the whole export through Bulk Tasks instead, or call the Domain Search API directly from your own stack.
Frequently asked questions
How many websites use Opentracker?
We track 281 websites that use Opentracker. The index refreshes daily, so the number shifts as sites adopt or drop it. Of those, 100 are matched to a company profile with industry, location, and contact data.
Can I download the list of websites that use Opentracker?
Yes. Share the page on LinkedIn to unlock a CSV export of the matched sample, with no signup required. For the full dataset and verified email addresses, create a free Tomba account.
Which industries use Opentracker the most?
Information Services leads the matched sample, at 12% of companies. In total, websites that use Opentracker span 48 industries.
How fresh is the Opentracker data?
Our crawler re-checks technology signals daily. So a site that removes Opentracker drops out of the index, and a new adopter appears without you refreshing anything.
Can I get email addresses for websites that use Opentracker?
Yes. Every domain in the table can be enriched with verified work emails and direct phone numbers. Run a single domain through Domain Search, or push the whole export through Bulk Tasks.
// get this list by api
Companies using Opentracker, one request away
Filter the company search by technology, then find and verify the people at each company. The technology filter is available on paid plans; 50 companies per page.
/reveal/searchCompanies that match a plain-language query or filters1 search credit02GET/domain-searchThe email addresses at a company, with names, roles and the company profile1 search credit per 10 results03GET/email-verifierWhether an address is deliverable: syntax, MX, SMTP, catch-all and greylisting checks1 verification creditcurl -X POST "https://api.tomba.io/v1/reveal/search" \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY" \
-H "Content-Type: application/json" \
-d '{"filters":{"technologies":{"include":["Opentracker"]}},"page":1}'const res = await fetch("https://api.tomba.io/v1/reveal/search", {
method: "POST",
headers: {
"X-Tomba-Key": process.env.TOMBA_API_KEY,
"X-Tomba-Secret": process.env.TOMBA_SECRET_KEY,
"Content-Type": "application/json"
},
body: JSON.stringify({"filters":{"technologies":{"include":["Opentracker"]}},"page":1})
});
const { data } = await res.json(); // data.companiesimport os, requests
res = requests.post(
"https://api.tomba.io/v1/reveal/search",
headers={
"X-Tomba-Key": os.environ["TOMBA_API_KEY"],
"X-Tomba-Secret": os.environ["TOMBA_SECRET_KEY"],
},
json={"filters":{"technologies":{"include":["Opentracker"]}},"page":1},
)
companies = res.json()["data"]["companies"]// technologies
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