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Websites using HSTS in the United Kingdom

Hunter detected HSTS on 41,185 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 973 email addresses
  3. 3 bbc.co.uk Broadcast Media Production and Distribution 11,131 email addresses
  4. 4 bt.cn Telecommunications 5 email addresses
  5. 5 bbc.com Broadcast Media Production and Distribution 727 email addresses
  6. 6 openstreetmap.org IT Services and IT Consulting 287 email addresses
  7. 7 ft.com Newspaper Publishing 3,240 email addresses
  8. 8 independent.co.uk Online Audio and Video Media 334 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 266 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 38 email addresses
  15. 15 justgiving.com Technology, Information and Internet 59 email addresses
  16. 16 youcanbook.me Software Development 22 email addresses
  17. 17 nationalarchives.gov.uk Museums, Historical Sites, and Zoos 422 email addresses
  18. 18 nominet.uk Software Development 64 email addresses
  19. 19 launchpad.net Software Development 11 email addresses
  20. 20 medicalnewstoday.com Wellness and Fitness Services 6 email addresses
  21. 21 xe.com Financial Services 104 email addresses
  22. 22 sheffield.ac.uk Higher Education 10,555 email addresses
  23. 23 econsultancy.com E-Learning Providers 13 email addresses
  24. 24 newscientist.com Book and Periodical Publishing 345 email addresses
  25. 25 arm.com Semiconductor Manufacturing 9,308 email addresses
  26. 26 portswigger.net Software Development 113 email addresses
  27. 27 thesun.co.uk Newspaper Publishing 178 email addresses
  28. 28 fca.org.uk Financial Services 2,313 email addresses
  29. 29 bmj.com Book and Periodical Publishing 424 email addresses
  30. 30 bl.uk Libraries 938 email addresses
  31. 31 ucl.ac.uk Research Services 21,931 email addresses
  32. 32 energystar.gov Hospitals and Health Care 118 email addresses
  33. 33 thedrum.com Technology, Information and Media 137 email addresses
  34. 34 citizensadvice.org.uk Non-profit Organizations 255 email addresses
  35. 35 trybooking.com Events Services 5 email addresses
  36. 36 standard.co.uk Newspaper Publishing 140 email addresses
  37. 37 ofcom.org.uk Telecommunications 1,233 email addresses
  38. 38 heartinternet.uk IT Services and IT Consulting 15 email addresses
  39. 39 comparitech.com Computer and Network Security 30 email addresses
  40. 40 ons.gov.uk Government Administration 2,330 email addresses
  41. 41 ox.ac.uk Higher Education 644 email addresses
  42. 42 gamcare.org.uk Non-profit Organizations 118 email addresses
  43. 43 cqc.org.uk Hospitals and Health Care 1,148 email addresses
  44. 44 nationaltrust.org.uk — 1,648 email addresses
  45. 45 channel4.com Broadcast Media Production and Distribution 720 email addresses
  46. 46 tfl.gov.uk — 575 email addresses
  47. 47 imperial.ac.uk Research Services 15,747 email addresses
  48. 48 flourish.studio Software Development 6 email addresses
  49. 49 ueni.com Technology, Information and Internet 56 email addresses
  50. 50 southampton.ac.uk Higher Education 2,571 email addresses

What those companies do

The largest industries across all 41,185 websites, not only the ones listed above. Sites with no industry recorded are in none of them.

  1. Professional Services 5,584 websites
  2. Technology, Information and Media 4,598 websites
  3. Retail 2,944 websites
  4. Manufacturing 2,650 websites
  5. Entertainment Providers 1,963 websites
  6. Consumer Services 1,575 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

41,185 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. 41,185 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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