World of Warcraft/Leveling

Rest credit
When your character is rested you will get a %200 experience bonus for killing monsters.

While in a city or inn you will get rest credit at 4 times the rate as elsewhere. The maximum rest credit you can accumulate is one and a half levels worth.

Quests
You will level faster if you do the quests. In you quest log you will see a list of the quests you have.

The quests in the list will be shown in one of fore colors depending on your level and the quest level:

Red,   This is an almost impossible or impossible quest for you, wait to you level up or go with a group. Orange, This will be hard but you should be able to do it and it will get you the most experience. Yellow, This quest should be easy for you. Green, This quest should be very easy, but will not get you much experience. Gray,  This quest will give you no experience at all, Skip it unless you think it is fun.

Some quests are Elite, Elite quests are ment to be done by groups, They are veery hard to solo.