https://unicodefyi.com/guide/byte-order-mark-guide/
Understanding Byte Order Mark (BOM) — Unicode Guides
Aug 19, 2024 - The Byte Order Mark (BOM) is a special Unicode character used at the start of a text stream to signal its encoding and byte order. This guide explains what the...
byte order markunderstandingbomunicodeguides
https://invisiblecharacterviewer.com/characters/byte-order-mark
Byte Order Mark / BOM (U+FEFF) - The Invisible Bug Maker
The byte order mark (BOM, U+FEFF) causes invisible bugs in JSON, CSV, PHP, and shell scripts. Learn how to detect and remove it.
byte order markthe invisiblebomumaker