Data efficient speed tests

This is an overview of data efficient speed tests. That is, the speed tests are displayed on the descending data efficiency score as determined by the standardized speed test. The data efficiency score is listed in brackets after the speed test.

Because there is a proportionate use between data efficiency and climate friendliness, we also show the CO2 labels in this overview.

  1. Internet Speed at a Glance (100) A green CO₂ label with the the text A+ Tip
  2. myspeed.ai (100) A green CO₂ label with the the text A+
  3. Simple Speed Test Online (100) A green CO₂ label with the the text A+
  4. Broadband Genie (99) A green CO₂ label with the the text A+
  5. Down at a Glance (99) A green CO₂ label with the the text A+ Tip M-Lab
  6. True Speed at a Glance (98) A green CO₂ label with the the text A+ Tip M-Lab
  7. Speedtest.co.za (95) A green CO₂ label with the the letter A Fireprobe
  8. TestMy.net (94) A green CO₂ label with the the letter A Tip
  9. MyBroadband (92) A green CO₂ label with the the letter A Fireprobe
  10. Google Fiber (84) A green CO₂ label with the the letter B Tip
  11. Real Speed (84) A green CO₂ label with the the letter B Tip
  12. Gcore (83) A green CO₂ label with the the letter B LibreSpeed
  13. LibreSpeed (82) A green CO₂ label with the the letter B
  14. SG Speed Test (79) A green CO₂ label with the the letter C
  15. Meter.net (77) A green CO₂ label with the the letter C
  16. CIRA's Internet Performance Test (76) A green CO₂ label with the the letter CM-Lab
  17. WhistleOut (76) A green CO₂ label with the the letter C M-Lab
  18. Bandwidth Place (73) A green CO₂ label with the the letter C M-Lab
  19. Bredbandskollen (64) A yellow CO₂ label with the the letter D
  20. M-Lab (61) A yellow CO₂ label with the the letter D Tip
  21. Google's Internet speed test (60) A dark yellow CO₂ label with the the letter E M-Lab
  22. HighSpeedInternet (60) A dark yellow CO₂ label with the the letter E M-Lab
  23. Which Broadband Checker (59) A dark yellow CO₂ label with the the letter E
  24. Comcast Business Internet Speed Test (58) A dark yellow CO₂ label with the the letter E
  25. SpeedSmart (52) A dark yellow CO₂ label with the the letter E
  26. U Switch (52) A dark yellow CO₂ label with the the letter E
  27. Broadband Speed Checker (50) A red CO₂ label with the the letter F
  28. RealSpeeds (50) A red CO₂ label with the the letter F M-Lab
  29. Xfinity Speed Test (50) A red CO₂ label with the the letter F
  30. Samknows (original) (42) A red CO₂ label with the the letter F
  31. Cloudflare (41) A red CO₂ label with the the letter F Pop
  32. Verizon (41) A red CO₂ label with the the letter F
  33. OpenSpeedTest™ (37) A red CO₂ label with the the letter F
  34. Think Broadband (the standalone version) (33) A red CO₂ label with the the letter F
  35. Fireprobe (30) A red CO₂ label with the the letter F
  36. IPv6 Test (30) A red CO₂ label with the the letter F
  37. WiFiman (27) A red CO₂ label with the the letter F
  38. Comparitech (23) A red CO₂ label with the the letter F
  39. IPv4 / IPv6 - HTML5 Speedtest (20) A red CO₂ label with the the letter F LibreSpeed
  40. IPv4 - HTML5 Speedtest (20) A red CO₂ label with the the letter F LibreSpeed
  41. IPv6 - HTML5 Speedtest (19) A red CO₂ label with the the letter F LibreSpeed
  42. Astound (17) A red CO₂ label with the the letter F
  43. Speedcheck™ (16) A red CO₂ label with the the letter F
  44. Fast (11) A red CO₂ label with the the letter F Pop
  45. Speedtest (5) A red CO₂ label with the the letter F Pop
  46. SpeedOf.me (1) A red CO₂ label with the the letter F Pop
  47. BroadbandNow (0) A red CO₂ label with the the letter F Cloudflare
  48. nPerf (0)
  49. Speedtest4.php (0)
  50. Waveform (Bufferbloat and Internet) speed test (0)