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Websites using HSTS in the United Kingdom

Hunter detected HSTS on 41,720 websites whose company address is in the United Kingdom. The count is rebuilt daily from Hunter's index.

United Kingdom websites running HSTS

Hunter's highest-ranked United Kingdom sites running HSTS. Sites we hold no publishable contact data for are left out.

  1. 1 packtpub.com E-Learning Providers 167 email addresses
  2. 2 theguardian.com Book and Periodical Publishing 984 email addresses
  3. 3 bbc.co.uk Broadcast Media Production and Distribution 11,505 email addresses
  4. 4 bt.cn Telecommunications 5 email addresses
  5. 5 bbc.com Broadcast Media Production and Distribution 723 email addresses
  6. 6 openstreetmap.org IT Services and IT Consulting 290 email addresses
  7. 7 ft.com Newspaper Publishing 3,365 email addresses
  8. 8 independent.co.uk Online Audio and Video Media 330 email addresses
  9. 9 names.co.uk Technology, Information and Internet 32 email addresses
  10. 10 wn.com Internet News 61 email addresses
  11. 11 last.fm Technology, Information and Internet 262 email addresses
  12. 12 arneclo.com Retail 9 email addresses
  13. 13 diana-award.org.uk Non-profit Organizations 30 email addresses
  14. 14 safenames.net IT Services and IT Consulting 38 email addresses
  15. 15 justgiving.com Technology, Information and Internet 60 email addresses
  16. 16 youcanbook.me Software Development 22 email addresses
  17. 17 ikea.com — 9,197 email addresses
  18. 18 nationalarchives.gov.uk Museums, Historical Sites, and Zoos 430 email addresses
  19. 19 nominet.uk Software Development 65 email addresses
  20. 20 launchpad.net Software Development 11 email addresses
  21. 21 medicalnewstoday.com Wellness and Fitness Services 8 email addresses
  22. 22 xe.com Financial Services 108 email addresses
  23. 23 sheffield.ac.uk Higher Education 10,783 email addresses
  24. 24 econsultancy.com E-Learning Providers 17 email addresses
  25. 25 newscientist.com Book and Periodical Publishing 346 email addresses
  26. 26 arm.com Semiconductor Manufacturing 9,486 email addresses
  27. 27 portswigger.net Software Development 121 email addresses
  28. 28 thesun.co.uk Newspaper Publishing 188 email addresses
  29. 29 fca.org.uk Financial Services 3,066 email addresses
  30. 30 bmj.com Book and Periodical Publishing 408 email addresses
  31. 31 bl.uk Libraries 949 email addresses
  32. 32 ucl.ac.uk Research Services 21,900 email addresses
  33. 33 energystar.gov Hospitals and Health Care 117 email addresses
  34. 34 thedrum.com Technology, Information and Media 137 email addresses
  35. 35 citizensadvice.org.uk Non-profit Organizations 451 email addresses
  36. 36 trybooking.com Events Services 5 email addresses
  37. 37 standard.co.uk Newspaper Publishing 139 email addresses
  38. 38 ofcom.org.uk Telecommunications 1,256 email addresses
  39. 39 lcn.com Technology, Information and Internet 10 email addresses
  40. 40 heartinternet.uk IT Services and IT Consulting 18 email addresses
  41. 41 comparitech.com Computer and Network Security 30 email addresses
  42. 42 ons.gov.uk Government Administration 2,346 email addresses
  43. 43 ox.ac.uk Higher Education 651 email addresses
  44. 44 gamcare.org.uk Non-profit Organizations 121 email addresses
  45. 45 cqc.org.uk Hospitals and Health Care 1,170 email addresses
  46. 46 nationaltrust.org.uk — 1,689 email addresses
  47. 47 channel4.com Broadcast Media Production and Distribution 751 email addresses
  48. 48 tfl.gov.uk — 576 email addresses
  49. 49 imperial.ac.uk Research Services 16,138 email addresses
  50. 50 flourish.studio Software Development 6 email addresses

What those companies do

The largest industries across all 41,720 websites, not only the ones listed above. Sites with no industry recorded are in none of them.

  1. Professional Services 5,677 websites
  2. Technology, Information and Media 4,715 websites
  3. Retail 2,967 websites
  4. Manufacturing 2,680 websites
  5. Entertainment Providers 1,981 websites
  6. Consumer Services 1,607 websites

A list of United Kingdom domains is not a list of people.

Hunter turns each of those domains into named contacts with email addresses, and Discover takes the same two filters — HSTS, United Kingdom — and adds company size and industry on top.

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HSTS in other countries

The other countries where Hunter detected enough HSTS sites to rank them.

Reading the United Kingdom number

41,720 is the number of ranked websites in Hunter's index that were detected running HSTS and carry a United Kingdom company address. It is a floor, not a vendor's customer list, and the address is where the business is registered rather than where the site is served from.

A detection describes what a site runs today, and a tag left in place after a team stopped paying still counts — so treat one detection as a lead to check rather than as a confirmed contract.

See HSTS worldwide for the full count, the technologies it turns up alongside, and every country Hunter ranks it in.

HSTS in the United Kingdom FAQs

Hunter keeps an index of websites, records the technologies detected on each one and the company address it holds for it. 41,720 of the sites running HSTS carry a United Kingdom address. The number is rebuilt daily.

No. The table lists the highest-ranked of them, and it leaves out any site Hunter holds no publishable contact data for. Discover searches the whole set.

No. It is the address Hunter holds for the company behind the site, so it is where the business is registered rather than where the site is served from.

Yes. Open a domain to see the email addresses Hunter holds for it, or take the same two filters into Discover and add company size and industry before you export.
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