No issues. No hidden tricks. Just does exactly what it says it does. Product feels finished and is a pleasure to use.

You specify a website as an object, add the tracking script to its code and then away it goes, giving you a lovely dashboard and visitor metrics. Very helpful.

In terms of future "nice to haves" for the product - a method to query the data via API or export large sets of the data would be cool. Some form of reporting, wrap-up or notification ( think daily/weekly email or slack notifications of visitor numbers ) could be cool too. Maybe branching into SEO performance ( doesn't quite feel right for the product's niche ) or adding in other analytics for overlap and additional info in some way, i.e. G4A. After checking the roadmap, the export and reporting is already underway.