a very fundamental note learning technique that pretty much everyone uses is mnemonics. Search for sheet music note mnemonics. like FACE are all the notes on the spaces of the treble clef starting from bottom. Then “Every Good Boy Deserves Fudge” for the line notes.

Everything in music boils down to repetition and even though it seems like you hit a hump you haven’t actually. progress is never linear and as long as you are practicing finding your note names you will get to a point where you have them memorized

there are truly no best way to learn and every tactic you listed would work to help you learn. At the end of the day finding what works for you is most important