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The percent bonus given to the various visit transition types. By default, the following preferences and values exist:
| places.frecency.embedVisitBonus | 0 |
| places.frecency.linkVisitBonus | 100 |
| places.frecency.typedVisitBonus | 2000 |
| places.frecency.bookmarkVisitBonus | 75 |
| places.frecency.defaultVisitBonus | 0 |
| places.frecency.downloadVisitBonus | 0 |
| places.frecency.permRedirectVisitBonus | 0 |
| places.frecency.tempRedirectVisitBonus | 0 |