Why would traffic be decreasing when more people are actually coming to the store?

[Layla Taov]

I have noticed that my traffic is decreasing lately but I have had more people coming so it should be increasing. Is there a bug or something in the system? 

[Theresa Tennyson]

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Layla Taov wrote:

I have noticed that my traffic is decreasing lately but I have had more people coming so it should be increasing. Is there a bug or something in the system? 

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The traffic score is based on the amount of time avatars spend on your lot as well as the raw number. A large number of avatars staying a short time can give you a lower traffic score than a small number of avatars staying for a long time.

[Rolig Loon]

One unit of traffic accrues for every minute an avatar spends in a parcel but only for avatars that do not move to another parcel (for at least five minutes) within the 24 hour data-collection period.