Pick a replacement by how much you want to watch. If you only need to know when a site or API goes down, a simple uptime monitor is quickest to set up. If you also want server metrics, status pages or on-call and incident tools, choose a broader platform. Eight options follow, in no particular order, grouped by that scope.
Uptime monitoring is a quiet job until it isn't. For months nothing happens, and then one night a certificate expires or a server stops answering and the only thing that matters is whether the right person hears about it fast. NodePing presents itself as uptime monitoring for websites and servers, with SMS alerts at the heart of its pitch, so alerting is the first thing to compare in any replacement.
All eight monitors at a glance
| Tool | Scope | Good for |
|---|---|---|
| Better Stack | Observability and incident stack | On-call, logs and incidents alongside monitoring |
| HetrixTools | Uptime and server monitoring | Uptime, server metrics and blacklist checks together |
| Pingdom | Website monitoring | Sites already inside the SolarWinds family |
| Pulsetic | Uptime with status pages | Status pages on your own domain |
| Site24x7 | Full IT monitoring | Websites, servers, networks and cloud in one place |
| Updown.io | Simple website monitoring | A lightweight monitor without extras |
| Uptime.com | Website and API monitoring | Websites, APIs and cron jobs with many alert routes |
| UptimeRobot | Uptime monitoring service | Getting first monitors running in minutes |
Uptime and server monitors listed alphabetically
In no particular order of preference, sorted by name. Each line reflects what the vendor says about its own service.
Better Stack
Best for: Engineering teams wanting incident management, on-call, logs, metrics and error tracking in one stack, which the vendor now pitches with an AI SRE; a free plan is named.
HetrixTools
Best for: Server owners and hosts who want uptime, server metrics and blacklist status watched from one account, with alerts on many channels, per the vendor.
Pingdom
Best for: Teams wanting simple website monitoring; the vendor now presents it within SolarWinds Observability for wider visibility.
Pulsetic
Best for: Small teams wanting uptime alerts confirmed from a second region and status pages on their own domain; the vendor names a free plan.
Site24x7
Best for: IT teams monitoring websites, servers, networks, applications and cloud platforms together, as the vendor describes it.
Updown.io
Best for: Developers who want a simple website monitor with very little to set up, which is the vendor's whole pitch.
Uptime.com
Best for: Businesses monitoring websites, APIs and scheduled jobs, with email, SMS and Slack alerts the vendor describes as unlimited.
UptimeRobot
Best for: Anyone wanting SSL, keyword and cron monitoring with alerts by email, SMS or Slack, and the quick start the vendor promotes.
From sign-up to a working alert
The thing to test in any replacement is how fast a small team gets from sign-up to a working set-up, and who maintains it afterwards. Adding a first monitor takes minutes almost everywhere. What takes longer is the rest: checks from more than one region so a single network blip doesn't wake anyone, alert rules that reach the right person, maintenance windows so planned work doesn't trigger a flood, and a status page customers can trust.
Maintenance is the hidden part. Monitors drift as you add services, rename domains and change who's on call. A tool that makes it easy to see every check in one list, and to change alert routes in one place, will stay accurate longer than one that's quick to start but awkward to tidy. Tools in this category split by who they're built for and how much you set up yourself, so run the same real task through each before you decide.
Simple monitors, server tools and full stacks
Simple uptime checks. Updown.io, UptimeRobot and Pulsetic focus on telling you when a site, API or job stops responding. The last of these adds status pages on your own domain and alerts confirmed from a second region before they fire.
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Uptime plus server health. HetrixTools watches server metrics and blacklist status as well as uptime, which suits hosts and anyone running mail servers. Uptime.com covers websites, APIs and cron jobs with a wide choice of alert routes.
Broader monitoring stacks. Site24x7, Pingdom and Better Stack go further. One monitors servers, networks, applications and cloud platforms together, one now sits inside SolarWinds Observability, and one bundles incident management, on-call, logs and error tracking with its monitoring.
My advice for small engineering teams
Don't buy more monitoring than you'll maintain. A small team with a few sites and APIs is often better served by a simple uptime tool that everyone understands than by a full observability stack that only one person knows how to change. Move up to a broader platform when you're already juggling logs, incidents and on-call across several tools.
Whatever you choose, watch your own website as a whole, not just the server. Bots and scrapers can put real load on a small site; my guide on stopping AI bots scraping your website covers that side. And if what you want to monitor is mentions of your brand rather than your servers, my Brand24 review is the better read.
Set up alert routing before you switch over
- Write down who should hear about each service going down, by day and by night.
- Send a test alert through every channel you plan to use, including SMS, and confirm it arrives.
- Set maintenance windows for planned work so the team doesn't learn to ignore alerts.
- Run old and new monitors side by side for a short period and compare what each one catches.
- Only then switch off the old monitors and update any status page links you've shared with customers.
Do you make uptime monitoring software? Tool makers can ask to be considered for a featured place on this list.
Want your tool on this list? Featured spots and reviews here are paid partnerships. Here's how to partner with me.
Frequently asked questions
What is uptime monitoring?
It's a service that checks your website, API or server at regular intervals from outside your network and alerts you when it stops responding or responds with errors.
Why monitor from more than one location?
A check from one place can fail because of a local network problem. Confirming from a second location cuts false alarms that wake people for nothing.
Do I need a status page?
If customers rely on your service, a status page saves your support team answering the same question during an outage. Small internal tools may not need one.
What's the difference between uptime monitoring and observability?
Uptime monitoring tells you something is down. Observability tools add logs, metrics and traces so you can find out why.
Should alerts go by SMS or chat?
Use chat for warnings during working hours and SMS or phone alerts for real outages out of hours. Test every route before you rely on it.
How do I avoid alert fatigue?
Confirm failures from more than one location, set maintenance windows and route each alert to one owner. Fewer, more accurate alerts get acted on.
