WordPress generates many kinds of rss feeds automatically, as demonstrated clearly here , they are:
Most WordPress themes will output them in header area, like:
on WordPress.com Blog. https://en.blog.wordpress.com/
Recently one of my clients wanted to change Woocommerce US Dollar sysbol “$” to “USA$” .
I found it to be very easy. Just insert the following code block to functions.php file under theme folder.
Woocommerce shows a Sales icon badge on product images if you set Sale Price:
Sometimes we experience such error message, which shows up on header area of WordPress site, or generates blank screen.
PHP Warning: Cannot modify header information - headers already sent by (output started at /public_html/.../wp-content/themes/.../functions.php:1) in /.../wp-includes/option.php on line 563
After Firefox 26, we often experience Secure Connection Failed error with Firefox when we are trying to connect to a HTTPS website, like https://www.facebook.com/