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You can monitor a home internet connection for free by running checks from an always-on computer, a compatible router, or an optional Raspberry Pi. Start by deciding what you need to catch: a loss of connectivity, high latency or packet loss, changing download speeds, or bandwidth use by device. Those are different signals and may need different tools. For basic outage detection, check your router and several external targets; for history that combines ping, HTTP checks, and speed tests, Internet Pi is an integrated option. A local monitor can record a failure but may not be able to alert you through the same failed connection.
Choose what you want to measure
“Internet is slow” can mean several things. A useful monitoring setup measures the symptom you care about instead of treating every chart as an internet health score.
| Signal | What it tells you | Useful check |
|---|---|---|
| Reachability or uptime | Whether a device or service responded to a check. | Check the local gateway and multiple external destinations. Add HTTP, DNS, or TCP checks where appropriate. |
| Latency | How long a response takes from the monitor’s location. | Record ping response times to the gateway and external targets. |
| Packet loss | How often probes fail to receive a response. | Track repeated ping results; a failed ping to one destination alone does not establish a full outage. |
| Speed | Throughput at the time of a test, not a continuous measure of every application. | Run periodic speed tests and keep their history, while accounting for the data they consume. |
| Per-device bandwidth | Which devices or interfaces are using traffic, depending on the router and tool. | Use router traffic accounting or interface monitoring where supported. |
Also decide where the monitor should run. A device inside your home network can compare local gateway reachability with outside reachability. It cannot, by itself, guarantee that you will receive an alert while your home internet is down: the connection used to send that alert may be the connection that failed.
Start with hardware you already have
A free setup does not require buying a Raspberry Pi or subscribing to a monitoring service. An always-on computer or a compatible router may be enough. Consider a dedicated host only if you want the monitor to keep running without leaving a personal computer on, or if your existing router cannot run the tools you need.
#1 Best Overall
- Automatic Router Rebooter / Reset - Stop manually restarting your router! Automate the process to ensure highly reliable internet connection uptime
- Constantly Monitors Router and/or Modem Internet Health. Keep Connect provides 24/7/365 protection to ensure that your smart home and connected devices are always online and available.
- Notifications - Free Texts or Emails from Keep Connect notifying you of detected eventsif you choose to enter your phone number/email. You may also choose No Notifications.
- Perfect for Smart Home Reliability - Schedule Periodic Resets to keep your connection fresh and fast.
- Premium Cloud Services App Available (iOS App Store and Google Play Store) - Our Premium Keep Connect Cloud Services platform allows using our Online/Mobile App to monitor many locations in one place as well. Cloud Services allows remote management of devices at all locations as well as heartbeat monitoring of your Keep Connects to notify you in the event of an ISP internet outage at one of your sites.
- Existing computer or virtual machine: a flexible place to run a monitoring stack or self-hosted uptime tool.
- Router: potentially the simplest place to view interface or device traffic, if its firmware and hardware support the relevant packages.
- Raspberry Pi: an optional dedicated host, not a prerequisite. Internet Pi recommends a Raspberry Pi 4 Model B or better for fast measurements; its maintainers say other computers and VMs may work, while noting that the project is regularly tested on Raspberry Pi and Raspberry Pi OS.
- Cloud-assisted sensor: a packaged alternative if you prefer a dashboard and alerts tied to an account rather than maintaining a fully local stack.
Build a dashboard with Internet Pi
Internet Pi is an Ansible configuration project that installs Prometheus and Grafana alongside containers for Speedtest.net tests and HTTP tests. Its monitoring setup can provide uptime, ping statistics, and speed-test history. It can run on a Raspberry Pi and may also run on another computer or VM; the maintainers describe Raspberry Pi and Raspberry Pi OS (32-bit and 64-bit) as the environments they regularly test.
Plan for speed-test data use
Automated speed tests transfer data, and repeated tests can use a substantial amount. The project repository warns that its internet monitoring downloads a “decently-large amount of data” daily and advises people on metered connections to avoid the speed tests or tune the internet-monitoring setup to run them less often. The repository does not publish a daily data total, so do not assume a particular number of gigabytes. If your connection has a data cap, check your usage and adjust or disable speed-test scheduling before leaving it running.
Account for host limitations
The project recommends Raspberry Pi 4 Model B or better for fast measurements. Its documentation gives older Pi models as examples of possible speed-test constraints, including Pi 3 Model B+ limitations of 100 Mbps or 300 Mbps. Those are project maintainer notes, not universal hardware benchmarks; actual results depend on the device, network, and test conditions. A dedicated Pi is not essential if you already have a suitable computer or VM.
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When this stack fits
- Choose it if you want one dashboard for ping, HTTP checks, and speed-test history.
- Choose a simpler endpoint monitor if you mainly need availability checks and alerts.
- Do not enable frequent speed tests just to create more data: each test consumes traffic and may not help answer whether a particular device or service is having trouble.
Use Uptime Kuma for endpoint checks
Uptime Kuma is a self-hosted uptime monitoring tool. Its described check types include HTTP/HTTPS endpoints, TCP ports, DNS records, ping to IP addresses or domain names, databases, Docker containers, and other services. Its product information also describes alerting and history charts. An informational page lists a 20-second minimum interval, but identifies itself as unofficial; treat that figure as third-party product information, not a benchmark or a guarantee for every version.
Rank #2
- NEVER MANUALLY REBOOT YOUR ROUTER AGAIN – The ConnectSense Rebooter Pro plugs between your modem or router and the wall outlet, automatically detecting lost internet connectivity across up to 5 network targets and power cycling your equipment instantly — keeping your home, office, or remote location always online 24/7.
- SCHEDULED & AUTOMATIC REBOOTS – Set up to 10 custom reboot schedules to proactively clear memory leaks, prevent slowdowns, and keep your connection fresh — even before problems occur. Perfect for smart homes, security cameras, smart locks, thermostats, and any device that depends on a stable internet connection.
- REMOTE CONTROL FROM ANYWHERE – Trigger a manual reboot anytime from the free ConnectSense app (iOS & Android) or directly from your home network. Whether you're traveling, at work, or managing a vacation rental or remote office, you stay in control of your network without needing to be on-site.
- AUTOMATIC POWER OUTAGE RECOVERY – When the power goes out, the Rebooter Pro automatically restores and reboots your networking equipment once power returns, eliminating downtime and the need for manual intervention. Ideal for unattended locations, rental properties, and small business networks.
- INTEGRATOR & PRO-GRADE FEATURES – The only router rebooter with a built-in local HTTPS API, giving IT professionals, smart home integrators, and power users advanced automation, monitoring, and remote management capabilities — no cloud subscription required for local control.
Separate a home-network fault from an outside failure
- Add a check for your local router or gateway. This provides a local reference point from the monitor’s position.
- Add more than one external target. If one target fails to answer, another may still respond, helping you avoid mistaking a target-specific issue for a complete loss of internet access.
- Pair check types when useful. A ping failure alone does not prove the internet is down; some destinations may not answer ping. Pair it with DNS or HTTP checks so you have more than one kind of evidence.
- Review the history alongside the symptom. Compare the time a device or service had trouble with gateway reachability, external checks, and latency or loss records.
Uptime Kuma itself is described as open source and free, but running it on a public cloud server can incur that server’s hosting cost. A self-hosted checker on a computer at home avoids that hosting expense if the computer is already available, but it remains dependent on power and the home network.
Check traffic on an OpenWrt router
If your router runs OpenWrt and you want traffic history rather than just endpoint uptime, examine its native packages first. OpenWrt documentation distinguishes tools for current observations from tools for historical usage:
| Purpose | Tools described | What to keep in mind |
|---|---|---|
| Current bandwidth observation | bmon and iftop |
Useful for seeing traffic as it happens; these are not the same as a long-term history. |
| Historical usage | vnstat and nlbwmon |
Review support and behavior for the specific router and installed firmware. |
| Historical system and interface graphs | collectd and RRDTool |
The statistics package documentation describes graphs for ping, interface bandwidth, CPU, memory, disk, and uptime. |
OpenWrt warns that flow offloading may cause some traffic data not to be recorded accurately. Package availability, commands, and this caveat should be checked against the particular router and OpenWrt version before relying on the numbers. Router traffic statistics also answer a different question from external uptime checks: they can help investigate local usage, but they do not by themselves establish whether an internet destination is reachable.
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Orb advertises a headless sensor for Raspberry Pi, Docker, Linux, routers, and Home Assistant-compatible devices, with monitoring and reporting through an Orb Cloud dashboard. Its vendor describes uptime, responsiveness, packet loss, reliability, speed, automated speed tests, and cloud alerts, and advertises a free allowance of up to five Orbs. These are vendor claims and the allowance may change. Because the sensor is associated with an account and cloud dashboard, this is a cloud-assisted option, not a fully local-only monitoring stack. Review the current account, data, and privacy terms before deploying it.
Rank #3
- Auto-Fixes Frozen Internet — No More Manual Reboots. Continuously monitors your connection by pinging 3 independent DNS servers every 60 seconds. All must fail multiple consecutive checks before action is taken to help prevent false alarms. When your router becomes unresponsive, Internet Watchdog automatically power-cycles it and verifies the connection is restored before resuming monitoring. Operates 24/7 while you sleep, travel, or work.
- Smart Retry Logic — Prevents Rapid Reboot Cycles. Built-in grace periods allow your internet time to recover before any reboot. If the first restart does not resolve the issue, Watchdog waits 30 minutes and retries, up to 3 total attempts. If the problem persists, it stops retrying and provides LED and app indication. Designed to avoid unnecessary reboot loops and repeated power cycling.
- Scheduled Daily Reboots — Optional Preventative Maintenance. Set a daily reboot time, such as 4:00 AM, to refresh your router and help reduce slowdowns. Ideal for vacation rentals and short-term rental properties that require consistent guest WiFi. Uses the same controlled reboot process with connection verification.
- Free PumpFuse App — Setup in About 60 Seconds, No Account Required. Download the PumpFuse app for iOS or Android, connect via Bluetooth, enter your WiFi credentials, and complete setup in minutes. Monitor status, review event history, adjust settings, and trigger manual reboots from your phone. No cloud account, no subscription, and no ongoing service fees. For users who prefer notifications, compatible Home Assistant integration supports automation-based alerts for all 9 device events.
- Smart Home and Developer Ready — Local Control and Integration. Automatically discovered by Home Assistant via MQTT with 11 available entities including sensors, switches, and controls for automation dashboards. Includes a full local REST API accessible via device-specific .local hostname, eliminating the need to look up IP addresses. Built-in MCP server supports OpenClaw and other compatible AI assistants. Designed for local network control.
Make alerts useful during an outage
A monitor running at home can retain useful history, but an alert sent over the home connection may not reach you when that connection is down. For notification during a home outage, use an independently hosted checker or another notification path that does not rely on the failed connection. That adds a dependency—and possibly a hosting cost—but separates the alerting path from the connection being monitored. Decide whether local logging is sufficient or whether remote notification during an outage is a requirement before choosing where to run the checker.
Pick a setup by the question you need answered
| Your priority | Starting point | Trade-off |
|---|---|---|
| Basic outage detection | Uptime Kuma on an existing always-on computer, with a gateway check and multiple external checks. | Self-hosting requires a device that stays on; remote alerts need an independent delivery path. |
| Ping, HTTP, and speed history together | Internet Pi on a suitable computer, VM, or optional Raspberry Pi. | More setup than a single endpoint monitor; automated speed tests consume data. |
| Per-interface or per-device traffic history | OpenWrt’s supported bandwidth tools on your router. | Package support depends on the specific hardware and firmware; flow offloading can affect recorded traffic. |
| Packaged sensor and cloud dashboard | Orb’s advertised sensor options. | Cloud/account-based reporting is not a local-only arrangement; verify current terms and free allowance. |
There is no controlled head-to-head benchmark established for these options. Compare them by monitoring vantage point, signals captured, setup and maintenance, hardware or hosting cost, speed-test data use, and whether alerts must arrive during a home outage—not by assuming one has universally better performance.
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ScreenshotNeo is a website screenshot API and MCP server, not an internet-uptime monitor. It is useful only if you also need a clean capture of a webpage, for example to document what a public status page showed; it will not measure your home connection’s uptime, latency, packet loss, or bandwidth. A one-call screenshot request looks like this (see the ScreenshotNeo API documentation):
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curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpScreenshotNeo removes cookie banners, newsletter popups, and chat widgets before the shot; bot checks, blank pages, and failed loads are never billed. Its MCP server lets AI agents take screenshots, and the free plan includes 1,000 screenshots a month with no card; paid plans start at $5 for 3,000. Learn more at ScreenshotNeo, or sign up free.
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One external check fails, but other services work
Do not infer a total outage from a single ping or endpoint. Compare the gateway check with multiple external targets and, where useful, DNS or HTTP checks. A destination-specific response policy or service problem can make one check fail while connectivity remains available.
Rank #4
- INTERNET OFF AND ON ALERTS IN MINUTES: This Wifi internet outage detector reports to the MySpool cloud several times every minute. Two missed check-ins send an Internet OFF alert, usually delivered within 1 to 3 minutes, and an Internet ON alert follows the moment service returns.
- RECIPIENTS AND TIMING YOU CONTROL: Send alerts to up to 5 email addresses plus one SMS number. Internet ON and Internet OFF notifications can be configured separately, so you can enable both or only the alerts you need. Set active hours to help avoid unwanted notifications during the night.
- NO APP, NO HUB, NO SOFTWARE: This wireless internet monitor plugs into any open LAN port on your router or switch and runs on its own. Nothing to install on a phone or PC, no gateway or bridge to buy, and no smart home ecosystem to join. A/C power cable with adapter is included.
- SET YOUR OUTAGE THRESHOLD: A dashboard slider sets the outage interval anywhere from 2 to 30 minutes, so a brief dropout never fires an internet down alert. Every event is logged with a timestamp on a secure web page you can show your provider.
- RELIABLE REMOTE INTERNET MONITORING: Runs continuously with no manual input, making it practical for vacation homes, rental properties, branch offices, server closets, and camera or NVR cabinets. Designed by Bell Labs engineers, this device monitors your internet connection around the clock for outages.
The monitor reports a local gateway failure
Investigate the local network path, router, or monitor’s connection before treating the event as an ISP outage. The gateway check exists to distinguish a local reachability problem from an external one.
Speed-test history is incomplete or costs too much data
Reduce the test frequency or disable the speed-test part of the setup, particularly on metered connections. The Internet Pi project warns of substantial daily downloads but does not publish a fixed daily total.
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Check the router’s flow-offloading configuration and consult documentation for the installed OpenWrt release. OpenWrt warns flow offloading may leave some traffic unrecorded; package and firmware support can vary.
The monitor is unavailable during a power or internet failure
A local host needs power and local network access to keep checking and recording. If you need an alert that reaches you during a home outage, arrange for an external checker or an independent notification path rather than relying solely on the affected connection.
Best Value
- Real-time Power Outage Notifications - Power Pal continuously monitors the power within your location, enabling you to receive real-time text or email notifications whenever a power outage occurs.
- Compact Design - Power Pal features a compact and space-saving design, ensuring it seamlessly blends into any environment without taking up too much receptacle space.
- Smart and Reliable - PowerPal works seamlessly with or without connected devices. Use it as a standalone power outage monitor, providing convenience and peace of mind.
- Easy Setup - Simply plug PowerPal into any standard outlet and set it up with no app required, no fees for texts/email notifications. You can also connect it to your Keep Connect Mobile App to use it with your Cloud Services account. It integrates effortlessly into your smart home ecosystem, making it a handy and must-have IoT Device.
- Industry-leading Customer Service - Our support team is dedicated to providing you with a top-notch customer service and technical support. Whether you have questions, need assistance, or require troubleshooting, our team is available to help you every step of the way.
Frequently Asked Questions
Can I monitor my internet without buying a Raspberry Pi?
Yes. An existing always-on computer, VM, or compatible router may be enough; a Pi is optional.
Does one failed ping mean my internet is down?
No. A target may not answer ping even when other internet access works. Compare multiple targets and check types.
Will local monitoring alert me if my home internet goes out?
Not reliably through the same connection. Use an independently hosted checker or notification route if alerts must arrive during the outage.
Quick Recap
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