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Plain-English troubleshooting paired with real diagnostics — use our speed test, Connection Doctor and network tools to verify each fix.

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Why is my internet so slow? A step-by-step diagnostic checklist

Slow internet almost always comes down to one of a handful of causes. Work through them in order — from the free five-second checks to the ones worth spending on — and find out whether it's your ISP, your router or your Wi-Fi.

Troubleshooting · Jun 15, 2026 · 9 min read
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Latest articles

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Gaming Upcoming

What is bufferbloat, and how do you fix it?

Why your ping spikes the moment someone starts a download — and the one router setting that fixes it.

Jun 14, 2026 · 7 min
Remote Work Upcoming

Internet fine but Zoom keeps dropping? Here's why

Your speed test says you're fine, yet calls freeze. The culprit is jitter and packet loss — and you can prove it.

Jun 14, 2026 · 6 min
Basics Upcoming

Download vs upload vs ping: what each number means

A plain-English guide to the three figures every speed test shows — and which one you should care about.

Jun 13, 2026 · 5 min
Wi-Fi Upcoming

Wi-Fi vs Ethernet: is a cable really faster?

We tested both. Here's when wireless is perfectly fine and when a cable is worth the hassle.

Jun 13, 2026 · 6 min
Privacy Upcoming

How to do a DNS leak test (and read the result)

A connected VPN isn't proof you're protected. Run a real leak test and learn what a leak actually looks like.

Jun 12, 2026 · 7 min
Troubleshooting Upcoming

Is my ISP throttling me? How to tell

Evening slowdowns, capped speeds on certain sites — how to gather evidence before you call support.

Jun 12, 2026 · 8 min
Gaming Upcoming

What is a good ping for gaming?

The numbers that matter for FPS, MOBA and fighting games — and why median ping can lie to you.

Jun 11, 2026 · 4 min
Web & Dev Upcoming

Why is my website slow? Find the broken layer

DNS, TTFB, SSL or the host? A fast triage for developers when a client says 'the site is down'.

Jun 11, 2026 · 9 min
Wi-Fi Upcoming

How to find the least crowded Wi-Fi channel

Channel overlap quietly kills your speed. Here's how to scan for the clearest one and switch.

Jun 10, 2026 · 6 min
Privacy Upcoming

Is my VPN actually working? A 60-second check

DNS, WebRTC and IPv6 leaks all bypass the 'connected' indicator. Verify all three at once.

Jun 10, 2026 · 5 min
Basics Upcoming

How much speed do I really need for 4K streaming?

Per-stream requirements for the major services, plus how many simultaneous streams your line can take.

Jun 9, 2026 · 5 min

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