The Down Checkr Blog

Plain-English guides on outages and connectivity — how to tell if a site is really down, why outages happen, and how to fix a page that won’t load.

502 Bad Gateway and Other Server Errors: What They Mean & How to Fix Them

"502 Bad Gateway." "503 Service Unavailable." Here’s what the common server error codes actually mean — and whether you can fix them.

Your IP address is your device’s identity on the internet. Here’s what it is, what it reveals (and what it doesn’t), and how to find yours.

When a page refuses to load, work through these twelve fixes in order. Most problems are solved long before you reach the bottom.

Outages feel random, but almost all of them trace back to a short list of causes. Understanding them makes every outage less mysterious.

The single most useful question when a site won’t load is "is it just me?" Here’s how to answer it in 30 seconds and what to do next.