Review :
Theme
Pretty original, there is any "YouTube" theme on the server and it's sufficiently original.
Build
Not good, your build is a bit empty, you use the logo of YouTube 3 time and don't looks really detailed.
Also, try to build your parkour in or on your build, and not floating around like you did.
Parkour
Not good too, there is not a lot of variation of block, try to add ice, fence, soul sand...
Your parkour is also a bit repetitive (a lot of neo, headhitter and ladder pillar).
I think your parkour is a medium one, and there is also 58 (?) jumps on it, so good point !
Miscellaneous
You need to put a yellow wool at the end of your parkour below the pressure plate and not an orange stained hardened clay.
Exploit :
My opinion
Not gonna be accepted, I think the theme is good but it's a bit too hard to build a good thing. Also, try to improved a bit your parkour.
Also, I'm not a map judger, so their opinions can be different !