On to vs. Onto - The Blue Book of Grammar and Punctuation
https://www.grammarbook.com/blog/definitions/on-to-vs-onto/
WebRule 1: In general, use onto as one word to mean “on top of,” “to a position on,” “upon.” Examples: He climbed onto the roof. Let’s step onto the dance floor. Rule 2: Use onto when you mean “fully aware of,” “informed about.” Examples: I’m onto your scheme. We canceled Julia’s surprise party when we realized she was ...
DA: 24 PA: 54 MOZ Rank: 63 Up or Down: Up