i checked my stats.fm top 2023 artists vs wrapped, and i'm seeing the same inaccuracies that you mention. my wrapped artists were:

• Artist A
• Artist B
• Artist C
• Artist D
• Artist E (not on top 5 on stats.fm)

while on stats.fm, it shows:

• Artist A
• Artist D
• Artist B
• Artist F (not on top 5 for wrapped)
• Artist C
• Artist E

i think that spotify is definitely strategic with placing certain artists in certain positions. for example, "Artist F" probably was in top 5 last year as well (and is a successful but less-well-known artist), but went unlisted on wrapped this year and was replaced by Artist C, a global top 200 artist. and it worked - i had not listened to Artist C in a while, and when i saw my wrapped results, i started listening to them again.

would the suggestion be to have the post title in the URL?

damn that's impressive