Is that website actually down? This essential web tool will tell you

Everyone’s always talking about new tools, but some of the best tools are the classic ones—incredibly useful things that have been around for ages. These are the tools that have stood the test of time and are just as handy today as they were 20 years ago.

They’re also the kinds of things you won’t hear about from most people or publications. And it’s easy to see why: They’re not the hot new thing. They’re just quietly helpful for anyone in the know.

So today, let’s take a look at one of those web-wide classics.