Why purpose-built analytics tools beat Optimizely / VWO's A/B test tracking
 · 4 min read
We typically find that relying just on Optimizely, VWO or Convert.com's A/B test tracking has hidden costs:
- Restrictive analytics capabilities
 - Worse site performance
 - Increases your compliance obligations & compromises your data sovereignty
 
In our experience Analytics tools like GA and Snowplow are more trustworthy and full-featured. And, at Mint Metrics, all experiments get tracked into both GA & Snowplow for clients. We no longer use or trust SaaS testing tools' built-in trackers.
Here's how purpose-built analytics tools lifts your split testing game...