This is the 1493rd most frequent Korean word.
홈페이지에
"On the homepage."
Here, '홈페이지에' indicates the location where an action (uploading) occurred, specifying the destination or platform.
홈페이지에 새로운 사진을 올렸습니다.
I uploaded new photos to the homepage.
'홈페이지에' functions as the place or medium where the action of inquiring happens or is directed.
질문이 있으면 홈페이지에 문의하세요.
If you have questions, ask on the homepage.
In this sentence, '홈페이지에' denotes the medium or platform where information updates occur.