https://www.speedrun.com/scarletmichelle/allposts
https://www.speedrun.com/tejas91/allposts (their post is just a copy of this reddit post https://www.reddit.com/r/speedrun/comments/k58mh5/what_is_your_favourite_speedrun_ever_performed)
https://www.speedrun.com/ChristyGamer/allposts posted this one 3 days ago, but looks like the account is still up
@Oreo321 and @Pear, judging by the fact that they said the picture in the top left next to "Games" I'm guessing they are actually talking about the logo on their profile page, which does have a white background. It does seem to just be the picture that is like that though, even though it's a PNG, unless the site does something to the image server-side after it's been uploaded.
@MagicMason1000 are you sure you uploaded the correct file? As a sidenote the logo image is supposed to contain the text "speedrun.com" in some fashion, though I am not sure how strict the site is about that when it comes to logos on peoples profile pages.
@UbuntuJackson Just use the online tool linked above (here is the link again for convenience https://mattbraddock.com/yt-frame-timer/). Works exactly the same, but doesn't require you download anything.
@Rusty_ That is a really interesting bug. Some additional info from just messing around; it is not only when submitting to that game, it seems to happen on every single page for that game. Not only that but it seems to happen on any URI that starts with "speedrun.com/splits" (except for the ones that are actual usernames, those resolve to /user/splits...). Only found one other page in addition to Split/Second, which is a marathon called Splitsmas. But it also seems to work on the 404 pages, so /splits1 for example will also log you out. The logout doesn't seem to be permanent, you get logged in again once you go to any other page, but it does seem like it currently makes it impossible to submit runs to that particular game. No idea what is actually causing it, but I thought the extra information might be helpful in figuring it out.
@coshgaming The game is actually on here, just under it's Japanese title "Runabout 3D: Drive Impossible", here is the page if you want to check it out https://www.speedrun.com/runabout_3d_drive_impossible
https://www.speedrun.com/thanhtruong/allposts
The post seems to be a copy of a post Pac made 6 years ago (here https://www.speedrun.com/The_Site/thread/0rb74)
@EmeraldAly Not sure if they changed the endpoint since you added the link, but it seems you need to use "/channel" and not "/user"