TechLookup
Websites using sIFR
57 websites detected · Updated Oct 7, 2026
57 websites detected · Updated Oct 7, 2026
sIFR is a technology in the Website Optimization category. 57 websites use sIFR, detected by Hunter on Oct 7, 2026.
Create a free accountA sample of the websites Hunter detects sIFR on, ordered by web popularity.
| Domain name | Industry | ||
|---|---|---|---|
| 1 |
|
Higher Education | 1,052 email addresses |
| 2 |
|
Performing Arts | 97 email addresses |
| 3 |
|
- | 8 email addresses |
| 4 |
|
Technology, Information and Internet | 5 email addresses |
| 5 |
|
- | 3 email addresses |
Hunter already holds email addresses at all 20 websites listed above.
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Websites running sIFR, counted by industry and by country. Only the largest groups are shown.
| Industry | Websites |
|---|---|
| Consumer Services | 4 |
| Professional Services | 4 |
| Education | 3 |
| Entertainment Providers | 2 |
| Technology, Information and Media | 2 |
| Hospitals and Health Care | 1 |
| Oil, Gas, and Mining | 1 |
| Accommodation Services | 1 |
| Country | Websites |
|---|---|
| United States of America | 13 |
| Poland | 3 |
| Germany | 2 |
| United Kingdom of Great Britain and Northern Ireland | 2 |
| Netherlands | 2 |
| Bulgaria | 1 |
| Canada | 1 |
| Denmark | 1 |
| Spain | 1 |
| France | 1 |
| Romania | 1 |
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