Of course there is a top 5 best speed tests. However, the overview below provides useful practical advices. The first advice is therefore: Continue reading this web page.
Fastest speed test
If you want to know your internet speed as soon as possible, use ZOMDir's Internet Speed at a Glance. This speed test gives you a rough indication of your internet speed.
Router speed test
If you want to measure your router's internet speed, then use Real Speed.
Note: Realspeed is our first choice in our instruction How to test your internet speed?
Most accurate speed tests
Which speed test is most accurate depends on the download speed you expect to measure.
In general, for most speeds, Real Speed is probably the most accurate speed test available. It's not without reason that Real Speed is number one in our top 5 of best speed tests.
While we haven't tested Real Speed at speeds below 100 Mbps, it still ranks number one in our top 5 speed tests (with download speeds up to 100 Mbps).
True internet speed
If you want to know your true internet speed (which is 12% higher than advertised), you should use True Speed at a Glance (up to 100 Mbps) or SpeedOf.me (125 Mbps and higher).
Comparing SpeedOf.me to True Speed at a Glance shows that True Speed at a Glance outperforms SpeedOf.me on several aspects.
Most informative
If you want to know as much details as possible of your internet speed use the speed test of Cloudflare.
Privacy-friendly
If you want to use a privacy-friendly speed test then there are a lot of options. Well known privacy respecting speed tests are:
Note that we consider Ookla's Speedtest as the least privacy-friendly speed test there is.
Usability
If you want to use a usable speed test then use Cloudflare, Fast or Google Fiber. In addition to these three popular speed tests, there are a multitude of usable speed tests available.
Specific purpose
If you want to do a speed test with a specific purpose in mind, use the Interactive Speed Test Advisor.
Finally, you can also select a speed test based on criteria such as:
- The most accurate speed test
- The amount of data a speed test uses
- The most climate-friendly speed test
- The most accessible speed test
- The security of speed tests
- The best Ookla clone
Want to test over IPv6? Then use the -standalone- Think Broadband Speed Test, this is the best IPv6 speed test.
Note that these recommendations are very different from the recommendations of other speed test tests.
Please note that all speed tests are safe to use.
Your own speed test?
Some speed tests offer you the ability to host a clone or variation of the speed test on your own website. If you are interested, check out this overview of clone examples.