If icons are displaying like strange characters or not showing up at all, this is most likely caused by a cross-origin error. You can fix it by adding the following code to the .htaccess file in the root directory of your website:
# Allow access from all domains for webfonts. # Alternatively you could only whitelist your # subdomains like "subdomain.example.com". <IfModule mod_headers.c> <FilesMatch "\.(ttf|ttc|otf|eot|woff|font.css|css)$"> Header set Access-Control-Allow-Origin "*" </FilesMatch> </IfModule>
If this solution doesn’t work, please contact your hosting provider for assistance because the cross-origin error is server related.