Search for the Blindeye

Search for the Blindeye Website.
At the end of "Gideon Rises", the 20th episode of Season 1 of Gravity Falls, d uring the end credits of that episode, there is a cryptogram that reads  "5-19-23-6-21-16 18-9-6 4-16-19 22-12-15-10-20-19-25-19-5"  Once decoded, it reads  "SEARCH FOR THE BLINDEYE", if googled and omonimous website appears in the search results.

The Site
Inside this website an animation of Bill Cipher can be found with a modified version of the theme of Gravity Falls playing in a loop with a "Brbrbrbrbrbr" sound mixed in, bellow the animation there´s an A1Z26 Cipher "9-21-4-9-22-19-6-18-15-6-5-4" by clicking on it the following text appears right bellow in red "October First".

If the site is inspected with the Google Chrome "Inspect element" or "View source code" tools, a text-image appears with a depiction of Bill Cypher, the following message can be found hidden inside "EYES ALL AROUND YET NONE CAN SEE THE TRUTH".