Utf-8 Apr 2026
: Save source files in UTF-8 without BOM (Byte Order Mark) to avoid unexpected "weird characters" in certain environments, though some legacy Windows applications may still prefer the BOM. The "Review" Verdict
: Always set the charset in your HTML head using as the very first element. : Save source files in UTF-8 without BOM
: The bit patterns are designed so that a decoder can easily find the start of the next character, even if some data is corrupted or the stream starts mid-character. Implementation Best Practices use multi-byte aware functions (e.g.
: When processing strings, use multi-byte aware functions (e.g., mb_strlen() in PHP) because standard length functions will count bytes rather than the actual number of characters. : Save source files in UTF-8 without BOM