The fact they are not on there right now means ABSOLUTELY NOTHING. Time will tell when they show up, but Trump's 13982-13984 EOs are not on the website at all.
Trump's 13977-13981 EOs are scheduled to be published on 01/22/2021 (Source).
Trump's 13982-13984 EOs were signed Jan 19-20th. Trump's 13977-13981 EOs were signed Jan 18th. (Source)
PedoJoe's 17 EOs (not numbered - doubt that means anything as they are issued sequentially) are available at whitehouse.gov (Source)
The link I provided in the OP has been updated and guess what? There are 9 of Biden's Executive ORDERS right now.
Check it yourself: https://www.federalregister.gov/public-inspection/search?conditions%5Btype%5D%5B%5D=PRESDOCU