internetmon.org

What It Is

Internet Connection Monitor (ICM) is a free Google Chrome extension designed to continuously monitor whether your internet connection is online, record outage events, calculate availability and downtime, and display your public IP address and latency. It is especially useful when broadband, Starlink, router, or ISP service is unstable, giving users objective logs for troubleshooting or filing complaints.

Core Features and Ecosystem

ICM supports detection intervals of 1, 2, 3, and 5 seconds, lets you customize the ping URL, and determines connection status using Chrome internal APIs and HTTPS ping. It can distinguish between Online, Offline, and a connection-error state where LAN/Wi‑Fi is working but there is no internet access. Features also include real-time latency monitoring, sound alerts, light/dark themes, connection logs, CSV/PDF export, plus new v6.1 additions such as JSON backup and restore, icon overlays for latency/disconnections/availability, and hourly/weekly insight statistics. In terms of compatibility, it works with Chrome as well as Chromium-based browsers such as Edge, Brave, and Arc, but there is currently no Firefox version.

Pricing and Permissions

The main text clearly states that ICM is a free extension, with no mention of a paid version or subscription. On privacy and permissions, it claims to require no permissions and does not access browsing history; the public IP address is retrieved via the ipify.org API. This is user-friendly for everyday users, though the text does not state whether it is open source, and only GitHub discussions are provided for support and feature requests.

Pros and Cons

Its strengths are that it is lightweight, free, and easy to use. The logs and statistics are very practical for documenting ISP issues, and CSV/PDF export reduces the effort needed for later analysis. The drawbacks are also clear: it cannot keep recording when Chrome is closed; detection accuracy during computer sleep should not be fully relied on; it does not measure internet speed; it only supports Chromium browsers; and the default ping target is Google servers, which may cause false results or be unavailable in some network environments. However, this can be mitigated by setting a custom ping URL.

Who It’s For and Access from China

ICM is suitable for remote workers, home broadband users, anyone who needs to prove ISP outage issues, and people troubleshooting router or modem problems. For access from mainland China, the website itself is unclear, but its default detection depends on Google servers, and ecosystem entry points such as the Chrome Web Store and Twitter may also be restricted, so it is rated as “partially restricted.” If your main need is speed testing, Speedtest is a better fit; if you need independent 24/7 monitoring, consider router logs, system-level monitoring, or a self-hosted probe setup.