In the pages web browser's source I have the following tab prefix:

I checked out the main.blade.php which is the main layout template, but it has no any initial tabs or white spaces:

I don't know why this tab is rendered?! I'm using laravel-5.4

CodePudding user response：

It may be the BOM (byte order mark)

Read more here: https://www.w3.org/International/questions/qa-byte-order-mark