The Archive. Audio Technica ATR-3350 Lavalier Omnidirectional Condenser Microphone: Musical Instruments. Split Testing - Visual Website Optimizer. What is This is NOT the total number of monthly visitors to your website, instead it is the number of visitors tested. For example, if your total monthly traffic is 10,000 visitors and you just run the test just on Contact Us page, which gets about 1,000 visitors per month then 1,000 is what will be counted as your visitor quota. If you have 2 tests running on your website, where 1,000 and 5,000 visitors have been tested. Your total visitors tested will be 6,000. What is.