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.

Feb
PoE 3.13.1e Patch Preview
This is a preview of 3.13.1e patch notes to give you an idea of what to expect. Check them out below!

Oct
How do you get your sac fragments in Path of Exile?
If we're talking about day 1 atziri farming, you'll be mapping enough to reach a decent level ~75-80 and you shouldve collected a few sets with whatever vaal Path of Exile Orbs you have

Apr
PoE 3.14 Ultimatum Top Templar Starter Builds
Poe4orb has prepared the latest PoE 3.14 Ultimatum Top Templar Starter Builds collection. Check out these most popular ultimatum builds of Guardian, Hierophant and Inquisitor now!

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

May
POE Leagues Transverse Comparison
Now is the show time of Flashback, but we should never forget these great leagues, which has brought us a lot of happiness in the past years. Then here comes a question like "Which is your favorite league" or "Do you love Harbinger/Abyss/Bestiary, why?"

Sep
When Buy Poe Currencies You Need Knowledge
In Path of Exile game a couple participant want Path of Exile ORBS to purchase mounts, products, and up skill, meaning it is easy to want a great deal more Path of Exile Currency ! Any time you've got no Path of Exile Currency you can expect to FARM-in on your own, even if you have obtained zero time farming Path of Exile Currency that you choose to will order type on line net site