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) Tip
  2. TestMy.net (94) Tip
  3. Google Fiber (84) Tip
  4. RealSpeed (84) Tip
  5. LibreSpeed (82)
  6. Meter.net (77)
  7. Bandwidth Place (73)
  8. Bredbandskollen (64)
  9. M-Lab (61) Tip
  10. HighSpeedInternet (60) M-Lab
  11. SpeedOf.me API sample page (59) Tip
  12. Which Broadband Checker (59)
  13. Comcast Business Internet Speed Test (58)
  14. SpeedSmart (52)
  15. U Switch (52)
  16. Broadband Speed Checker (50)
  17. Xfinity Speed Test (50)
  18. Samknows (original) (42)
  19. Cloudflare (41) Pop
  20. Verizon (41)
  21. OpenSpeedTest™ (37)
  22. Think Broadband (the standalone version) (33)
  23. Fireprobe (30)
  24. IPv6 Test (30)
  25. Toast (29)
  26. Ookla Speedtest (28) Pop
  27. Comparitech (23)
  28. IPv4 / IPv6 - HTML5 Speedtest (20)
  29. IPv4 - HTML5 Speedtest (20)
  30. IPv6 - HTML5 Speedtest (19)
  31. Astound (17)
  32. Speedcheck™ (16)
  33. Fast (11) Pop
  34. SpeedOf.me (1) Pop
  35. DSLReports (0)
  36. nPerf (0)
  37. Speedtest4.php (0)