IsItDown Blog — Guides & Explainers

Your browser can't reach the internet's phone book — but your connection is probably fine. Here's how to tell, and the five fixes that actually work.

Your browser knocked and nobody answered — here's how to tell whose fault it is and fix it fast.

Chrome can't find the site's address. Seven fixes in order — from a 10-second typo check to switching your DNS for good.

Download speed is the least important number for calls and gaming. These three decide how your connection actually feels.

It's not broken — it's rush hour. Why 7–11 PM is the slowest time online, and the fixes that actually work.

That moment of doubt: is the site broken, or is it your connection? Here are five fast, reliable ways to find out.

Twelve checks, in order, from the 10-second fixes to the deeper diagnostics. Find the real cause instead of guessing.

404, 500, 503 — every code you'll actually encounter, translated into plain English with what to do next.

Traffic spikes, DNS failures, expired certificates, bad deploys — the eight real reasons sites go offline, explained without jargon.

What the numbers actually mean, how to test accurately, and what speed you really need — no marketing fluff.