The Problem
When you post a link to another blogger’s post, a pingback should appear in their comments section. However I noticed that there was no pingback from me. At first I brush it aside thinking the other party’s blog either did not support pingback or refuses my pingback. Then later I realised it can’t be EVERYONE. So I dig further and discover, to my surprise, the theme’s title tag in header.php is giving me the problem.
<title><?php wp_title(''); ?><?php if ( !( is_404() ) && ( is_single() ) or ( is_page() ) or ( is_archive() ) ) { ?><?php _e(' « '); ?><?php } ?><?php bloginfo('name'); ?></title>
I still can’t figure out why the above code is giving me the problem. I coded it for SEO purpose without the need for a plugin but inadvertently introduce a bug instead. And I had used it for all the themes I ported over. So if you experienced the pingback bug with my themes, please see the solutions as below.
The Solution
1. WP Default theme’s title tag (Non-SEO optimised)
Replace the title tag in header.php with
<title><?php bloginfo('name'); ?> <?php if ( is_single() ) { ?> » Blog Archive <?php } ?> <?php wp_title(); ?></title>
2. Install WP Plugin: Optimal Title (SEO optimised)
Install and activate Optimal Title plugin. Replace the title tag in header.php with
<title><?php optimal_title(); ?> <?php bloginfo('name'); ?></title>
You may also download the new theme files for comparison. Only header.php file need to be fix.
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