Most of us are familiar with those popularinternet speed test servicesout there.
You’ve probably seen some of these sites before, like Speedtest.net and Speakeasy.
How accurate are they?

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Sadly, they’re often not at all accurate.
Read through ourHow to Test Your Internet Speedtutorial if you haven’t already.
Internet speed test sites are often adequate, but aren’t always the best way to test your bandwidth.
A tiny computer with several huge jobs, like properly navigating all sorts of traffic around your connected home.
Just like your machine or smartphone, various things keep it from working quite as well over time.
With modems and routers, those issues sometimes manifest as sluggish web browsing and movie-streaming.
Learnhow to properly restart a router and modemproperly.
Otherwise, this step will have to be repeated to improve accuracy.
Don’t forget mobile devices, too.
Assuming you’re not testing from your phone, of course.
You should do this before each subsequent test, assuming you plan on testing several times in a row.
See ourHow to Clear Internet Cache in Every Major Browserguide for directions.