Why might the HTML code in browsers like Mozilla differ from the actual characters displayed on a webpage?

The HTML code in browsers like Mozilla may differ from the actual characters displayed on a webpage due to encoding issues. This can happen when the webpage's character encoding is not properly specified in the HTML code. To solve this issue, you can add a meta tag in the head section of your HTML document to specify the character encoding, such as UTF-8.

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<!-- Your webpage content here -->
</body>
</html>