There's a 100% XP buff that is active RIGHT NOW until a month from now. Here's key takeaways regarding the speed of this leveling vs leveling in Shadowlands.: CompetitiveWoW
Complete 1-120 WoW BfA Leveling Guide with Boostcary.com
Complete 1-120 WoW BfA Leveling Guide with Boostcary.com
Master of World of Warcraft : What happens when Blood Elves and Dranei have kids