"super clean interface, very intuitive"

"incredible service"

"damn easy and foolproof to set up"

Beautiful StatusCake Alternative

Before OnlineOrNot: Customers frantically tweeting you, calling you, texting you, wondering why your website isn't letting them buy your products. After OnlineOrNot: Automatic, reliable notifications when things break, letting you fix issues before they impact your revenue.

Beautiful Uptime Monitoring

Making sure your websites, web apps, and APIs are still online doesn't have to mean using a tool that looks like it was built in the 90s.

Set-up is quick too, most users have their uptime monitoring running within a minute.

OnlineOrNot's Uptime Dashboard

Alerts where you need them

OnlineOrNot supports sending alerts via:

  • Email
  • SMS
  • Slack/Discord
  • Webhooks
  • and more to come!
OnlineOrNot sends alerts via Email, SMS, Slack, Discord, Webhooks, and more to come.

Monitor correctness too

Your servers are responding, but is the data correct? Our powerful assertions feature helps you keep track of the data your API sends.

OnlineOrNot's API assertions

Say goodbye to false-positive alerts

When something goes wrong, OnlineOrNot double checks your Uptime Checks from up to 18 locations around the world before sending you an alert.

An interconnected map of the world.

Monitor, as a team

Keeping the lights on is your whole team's job, not the responsibility of just one person. OnlineOrNot is designed for teams in mind.

OnlineOrNot's Team Dashboard

Last week kept us busy

With plenty of room for more pages to check, incidents to catch, and notifications to send

Pages checked
973,459
Incidents caught
272
Notifications sent
463

What others are saying about OnlineOrNot

  • I'm using @Online_Or_Not to monitor my @cloakist customers' sites, so I can respond quickly if they stop working Love it. Super clean interface, very intuitive. Particularly impressed at how it can wait for full page load Thanks @RozenMD for making this awesome tool!
  • I just set up some site aliveness checks for @Archium_io with @RozenMD's Took me less than five minutes and it was completely self-explanatory, not to mention gorgeous. Seriously good experience. Great job, Max! 👏👏

Frequently asked questions

Here are the most frequently asked questions from our hundreds of users:

Have questions? Ready to get going? Let's go:

No time limit, and no credit card required.

The average cost of downtime for smaller businesses is around $137 to $427 per minute. For larger companies this rises to $5600 per minute, according to a 2014 study by Gartner.

While it's easier than ever to build websites and web apps, it's harder than ever to be sure they stay online.

Most teams struggle with two challenges when it comes to monitoring:

  • Noisy, irrelevant alerts (so they miss important ones)
  • Their tools are so slow and difficult to use that the team gives up on them

That's why I built OnlineOrNot — to make uptime monitoring better for teams.

Over the last 9 months we've checked over 45.4 million pages (like yours). I'd love you to give it a try.

Max Rozen, creator of OnlineOrNot
Max Rozen
Founder of OnlineOrNot