Using the Looking for Group interface, or joining a good guild, and doing instances that are around your level. You'll learn valuable grouping skills, and the level of loot in an instance is typically much better than what you could find on your own. If possible, concentrate on instances with humanoid mobs, since selling the cloth that they drop is a good way to make money.
Dugi’s leveling guide is the leveling addon I’ve always used to level as fast as possible. It will show you where to go and what to do in-game, speeding up the leveling process. This is optional though, as the game already does a pretty good job at showing you where to go at all times. The addon does, however, come with a couple of other nice features and perks.
Patch 8.1.5 Hotfixes: March 26th Some early hotfixes today as we get more nerfs for the Zandalari regeneration racial, Paladins get less hasty, everyone gets 50% more conquest points in Rated BGs and Arenas until the 9th weekly Conquest Reward, Tiger's Peak is closed down as previously announced, in addition to the usual bug fixes for quests raids and achievements. World of Warcraft WoW Mar 26, 2019 at 17:10 by Starym