Speed basics guides

Plain-language guides to what your speed test numbers mean and what speed you really need.

Speed basics

Download vs Upload Speed: What's the Difference?

Download speed is data coming to you; upload is data you send. See which activities need which, why plans are asymmetric, and how to test both.

4 min read Speed basics

How Long Does It Take to Download 100 GB?

See how long 100 GB takes to download at 25, 50, 100, 200, 500 and 1000 Mbps, why real downloads run slower, and how to work out any file size.

4 min read Speed basics

Is 200 Mbps Fast? Who It's Enough For

Is 200 Mbps fast? See what 200 Mbps handles — how many 4K streams, video calls and big downloads — and whether a family needs more than 200.

5 min read Speed basics

Is 25 Mbps Good Enough in 2026?

Is 25 Mbps still good in 2026? See what it handles — one 4K stream or a few HD — where it struggles, and who should upgrade.

5 min read Speed basics

Is 50 Mbps Fast? What It Can (and Can't) Handle

Is 50 Mbps fast enough? See how many HD and 4K streams, calls and downloads 50 Mbps really supports, and who should consider more.

5 min read Speed basics

Is 500 Mbps Fast? Do You Really Need It?

Is 500 Mbps fast, and is it worth paying for? See what 500 Mbps handles — 4K streams, video calls, download times — and who genuinely needs it.

4 min read Speed basics

What Is Latency? Latency vs Ping vs Bandwidth Explained

Latency is the delay before data starts arriving — it decides how responsive the internet feels. See how it differs from ping and bandwidth.

5 min read Speed basics

How to Test Your Internet Speed Accurately

Get a speed test result you can trust: what to switch off, why a cable matters, when to test, and how to compare results with your plan.

4 min read Speed basics

Is 100 Mbps Fast? What It Can Handle

Is 100 Mbps fast enough? See how many 4K streams, video calls and gamers 100 Mbps supports, how long downloads take, and who should upgrade.

5 min read Speed basics

Is 300 Mbps Fast? What It Can Handle

Is 300 Mbps fast enough? See how many 4K streams, video calls and gamers 300 Mbps supports, how long downloads take, and who should upgrade.

5 min read Speed basics

Mbps vs MBps: What's the Difference?

Mbps (megabits) and MBps (megabytes) differ by a factor of 8. Learn why your download shows a smaller number than your plan, with examples.

4 min read Speed basics

What Is a Good Internet Speed? (By Household Size)

What counts as a good internet speed depends on how many people are online. See realistic download and upload targets for every household size.

5 min read