בעיית תקפות של UTF-8

ניסיון לבדוק תקפות של אתר שלי נתן הודעה כדלהלן. האם לדעתכם משהו פותר את זה או להתעלם?

Notes and Potential Issues

The following notes and warnings highlight missing or conflicting information which caused the validator to perform some guesswork prior to validation. If the guess or fallback is incorrect, it could make validation results entirely incoherent. It is highly recommended to check these potential issues, and, if necessary, fix them and re-validate the document.

1. Byte-Order Mark found in UTF-8 File.

   The Unicode Byte-Order Mark (BOM) in UTF-8 encoded files is known to cause problems for some text editors and older browsers. You may want to consider avoiding its use until it is better supported.