How can I increase my fill rate?

[alicepang]

My fill rate is very low. What can I do to increase fill rate?

[mopubJimmy]

1. lower CPMs
2. Add ad networks to compete against MPX
3. Geo-target these ad networks based on the following
   •Tapit: Australia, Canada, USA, Malaysia, UK, Germany
   •iAd: US, Canada, UK, France, Italy, Germany, Spain, Japan
   •InMobi: UK, India, South Africa, Japan, France, Italy, Germany, USA, Australia
   •Millenial: US
   •MobFox iOS: US, UK, Germany, Austria, Switzerland, France, Italy, Spain
   •MobFox Android: US, UK, Austria, Germany, Switzerland, Italy, and France