0.5% conversion is pretty good for a SaaS product that only targets businesses.
Hard to imagine what 99.5% of the traffic is doing on the website.
Is Netflix considered SaaS? Perhaps my mental definition is way off on scope of SaaS. Honest question, not trying to be sarcastic
On the other hand, Google Calendar, Gmail, etc are providing software and would probably be considered SaaS products. You're providing the content and Google is providing the means of managing it.