Advice

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 RealSpeed.

Note: Realspeed is our first choice in our instruction How to test your internet speed?

Most accurate speed tests

If you want a relatively accurate speed test, it is best to use one of the following speed tests:

  1. Down at a Glance - accurate, fast, privacy-friendly, accessible
  2. Google Fiber - a highly recommended speed test

Both speed tests earned 5 stars ★★★★★. If you compare Down at a Glance to Google Fiber, you will see that Down at a Glance has slightly better specs than Google Fiber.

Please note that you should often use your ISP's speed test when contacting your ISP about slow internet speed.

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 or SpeedOf.me.

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:

  1. Cloudflare
  2. Fast
  3. Google Fiber
  4. M-Lab

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:

  1. The most accurate speed test
  2. The amount of data a speed test uses
  3. The most climate-friendly speed test
  4. The most accessible speed test
  5. The security of speed tests

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.