Dotcom-Monitor Web Performance Blog

Looking for the best observability tools? We compared 20 platforms on metrics, logs, traces, and pros and cons so you can choose with confidence.

How do you monitor networks you don’t own? These 7 cloud-based network monitoring best practices cover locations, check intervals, agents and alert rules.

The best network monitoring software depends on where you need to see from. For switch, router and interface data, use an SNMP and flow tool such as PRTG, LibreNMS, Zabbix

A 200 response does not mean your PDF loaded. See how to monitor embedded PDF viewers with scripted checks, content assertions, and smart alerting.

Your cloud provider’s monitoring runs inside the failure domain it watches. Here’s what to test before you pick a monitoring tool.

Prevent silent phone line outages. Learn how operations teams use SIP checks and inward-dialing tests to keep customer lines running smoothly.

How external synthetic monitoring meets DORA’s detection and availability obligations, mapped requirement by requirement.

Dotcom-Monitor’s DNS resolve modes control caching, failure detection speed, and real-user timing accuracy—learn which mode fits your monitoring checks.

IPv6 protocol checks run once a minute from native nodes, isolating faults your IPv4 monitoring will never catch. Here’s how Dotcom-Monitor does it.

Ensure 100% uptime across all routing paths. Learn how native IPv6 network monitoring catches hidden DNS, firewall, and gateway configuration errors.

Round-robin vs concurrent synthetic monitoring: how each schedules checks across locations, the cost trade-off, and when to use which.

Updated June 2026 · 11-minute read Ask any on-call engineer about their monitoring and they will tell you the same thing: the alerts are not the problem. The noise is.