This error will occur when the browser can't decode certain characters used in your content. # How do I fix this ? The following ways can be used to approach this problem: * Add `` to your `` * Make sure your editor saves files in the correct encoding. * Make sure your content is being saved in the correct encoding in your database. * Be sure to send the encoding yourself using the technology you're using. For example in PHP `header('Content-Type:text/html; charset=UTF-8');` * When using Apache you can add `AddCharset UTF-8 .html` to the .htaccess file, or `AddDefaultCharset UTF-8` * When using Nginx you can add `http { charset utf-8; }` to your `nginx.conf` file. # Resources * [HTML charset](http://www.w3schools.com/html/html_charset.asp) * [How to Avoid Character Encoding Problems](https://webmonkeyuk.wordpress.com/2011/04/23/how-to-avoid-character-encoding-problems-in-php/) * [UTF-8: The Secret of Character Encoding](http://htmlpurifier.org/docs/enduser-utf8.html#fixcharset-server-php) * [UTF-8 Nginx](http://stackoverflow.com/questions/19772955/utf-8-not-working-nginx)