In Uptrends you can monitor two ways - standard or concurrent.
Concurrent monitoring allows you to run a number of monitor checks for the same monitor at the same time, to more quickly and reliably reach a conclusion whether an error can be regarded a confirmed error. The details are described in the KB articles of this category.
All articles in this category
Configuring concurrent monitoringA guide on how to configure Concurrent monitoring within Uptrends.
Errors and alerting for concurrent monitorsHow does error generation and alerting work for concurrent monitors?
How does Concurrent monitoring work?An overview about Concurrent monitoring
Understanding your concurrent monitoring resultsWhere to find and how to interpret the results of concurrent monitoring.