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Websites using HSTS in the United Kingdom

Hunter detected HSTS on 41,359 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 168 email addresses
  2. 2 theguardian.com Book and Periodical Publishing 982 email addresses
  3. 3 bbc.co.uk Broadcast Media Production and Distribution 11,290 email addresses
  4. 4 bt.cn Telecommunications 5 email addresses
  5. 5 bbc.com Broadcast Media Production and Distribution 734 email addresses
  6. 6 openstreetmap.org IT Services and IT Consulting 289 email addresses
  7. 7 ft.com Newspaper Publishing 3,292 email addresses
  8. 8 independent.co.uk Online Audio and Video Media 333 email addresses
  9. 9 names.co.uk Technology, Information and Internet 33 email addresses
  10. 10 wn.com Internet News 59 email addresses
  11. 11 last.fm Technology, Information and Internet 268 email addresses
  12. 12 arneclo.com Retail 8 email addresses
  13. 13 diana-award.org.uk Non-profit Organizations 30 email addresses
  14. 14 safenames.net IT Services and IT Consulting 39 email addresses
  15. 15 justgiving.com Technology, Information and Internet 59 email addresses
  16. 16 youcanbook.me Software Development 23 email addresses
  17. 17 ikea.com — 9,061 email addresses
  18. 18 nationalarchives.gov.uk Museums, Historical Sites, and Zoos 426 email addresses
  19. 19 nominet.uk Software Development 66 email addresses
  20. 20 launchpad.net Software Development 11 email addresses
  21. 21 medicalnewstoday.com Wellness and Fitness Services 6 email addresses
  22. 22 xe.com Financial Services 108 email addresses
  23. 23 sheffield.ac.uk Higher Education 10,675 email addresses
  24. 24 econsultancy.com E-Learning Providers 14 email addresses
  25. 25 newscientist.com Book and Periodical Publishing 345 email addresses
  26. 26 arm.com Semiconductor Manufacturing 9,392 email addresses
  27. 27 portswigger.net Software Development 115 email addresses
  28. 28 thesun.co.uk Newspaper Publishing 175 email addresses
  29. 29 fca.org.uk Financial Services 2,285 email addresses
  30. 30 bmj.com Book and Periodical Publishing 420 email addresses
  31. 31 bl.uk Libraries 943 email addresses
  32. 32 ucl.ac.uk Research Services 22,057 email addresses
  33. 33 energystar.gov Hospitals and Health Care 117 email addresses
  34. 34 thedrum.com Technology, Information and Media 140 email addresses
  35. 35 citizensadvice.org.uk Non-profit Organizations 248 email addresses
  36. 36 trybooking.com Events Services 5 email addresses
  37. 37 standard.co.uk Newspaper Publishing 141 email addresses
  38. 38 ofcom.org.uk Telecommunications 1,234 email addresses
  39. 39 lcn.com Technology, Information and Internet 6 email addresses
  40. 40 heartinternet.uk IT Services and IT Consulting 16 email addresses
  41. 41 comparitech.com Computer and Network Security 30 email addresses
  42. 42 ons.gov.uk Government Administration 2,345 email addresses
  43. 43 ox.ac.uk Higher Education 649 email addresses
  44. 44 gamcare.org.uk Non-profit Organizations 118 email addresses
  45. 45 cqc.org.uk Hospitals and Health Care 1,151 email addresses
  46. 46 nationaltrust.org.uk — 1,677 email addresses
  47. 47 channel4.com Broadcast Media Production and Distribution 721 email addresses
  48. 48 tfl.gov.uk — 576 email addresses
  49. 49 imperial.ac.uk Research Services 16,074 email addresses
  50. 50 flourish.studio Software Development 7 email addresses

What those companies do

The largest industries across all 41,359 websites, not only the ones listed above. Sites with no industry recorded are in none of them.

  1. Professional Services 5,619 websites
  2. Technology, Information and Media 4,627 websites
  3. Retail 2,954 websites
  4. Manufacturing 2,661 websites
  5. Entertainment Providers 1,974 websites
  6. Consumer Services 1,589 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

41,359 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. 41,359 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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