Melee is mostly bound to weapons and the actual level of your character doesn't matter
Well, if progression is the only thing you care about, spell casters will give you the best experience as a new player because they literally scale as you level up. In fact, the only thing that will give you significant damage boost is going to be the level of your main spell. Difference in damage between a level 20 and 21 spell gem is going to be around ~15% increase. Level 20 vs 24(so a lvl 21 gem with a lvl 4 empower support) would almost double your damage.
Melee is mostly bound to weapons and the actual level of your character doesn't matter. If your weapon is bad, so will your character. There are hundreds of leveling unique weapons and most of them are going to be better than whatever you can get from a spell. Melee doesn't require constant increase in links, either. Just change your crap weapon for a better one and you're set to continue your journey.

Nov
Really glad you tried Path of Exile
Check out some guides for new players and just start playing. If you like games like Diablo, Torchlight, and others, this is really fun.

Jun
Some Newbies Guide to Farm Currency in PoE
If you are getting to maps as a totally new player, it's hard for you to farm currency in Path of Exile, you will need to have a lot of tries to find the right way to farming money in this game, which will take so much time

Apr
PoE 3.14 Ultimatum Top Ranger Starter Builds
Poe4orb has also prepared the latest PoE 3.14 Ultimatum Top Ranger Starter Builds collection. Check out these most popular ultimatum builds of Deadeye, Pathfinder and Raider now!
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Dec
poe4orbs:[3.9]PoE Metamorph Duelist Builds (PC,PS4,Xbox,Mobile)
Welcome to the best PoE 3.9 Duelist Builds brought by R4PG. Choose your favorite ascendant from Champion, Gladiator, Slayer and start your Metamorph journey!

Jan
Best PoE 3.13 Ritual Ranger Starter Builds
Many of the builds in this PoE 3.13 Ritual Ranger Builds guide are good for starter that are popular with many players. For the three ascendancy classes of Deadeye, Pathfinder and Raider, the focus of each build is also different. Hope it helps you.

Jul
New Player Should Never Play HC
I have performed mostly HC in each and every game which has it, I began PoE HC also it was great when Used to do. Hell, I even find Invasion is the most enjoyable time I have ever endured within this game