How to Create Schemas Breadcrumbs for WordPress Site

Hello guys Schema and Search Engine come together to bring a richer web data for your website1. The transition from displaying a simple site title, site url and site description is now fully evolve into a more complex search result where you can display video and news thumbnail, user reviews and ratings and many more schema supported microdata for search engines.

But… what about adding schemas breadcrumbs to your WordPress site?

Don’t worry, you do not need to be a SEO or Schemas expert to add an effective schemas breadcrumbs for your WordPress site. Just open your theme functions.php and add this code.

function dez_schema_breadcrumb() { global $post; //schema link $schema_link = 'http://data-vocabulary.org/Breadcrumb'; $home = 'Home'; $delimiter = ' » '; $homeLink = get_bloginfo('url'); if (is_home() || is_front_page()) { // no need for breadcrumbs in homepage } else { echo '<div id="mpbreadcrumbs"> '; // main breadcrumbs lead to homepage if (!is_single()) { echo 'You are here: '; } echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . $homeLink . '">' . '<span itemprop="title">' . $home . '</span>' . '</a></span>' . $delimiter . ' '; // if blog page exists if (get_page_by_path('blog')) { if (!is_page('blog')) { echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_permalink(get_page_by_path('blog')) . '">' . '<span itemprop="title">Blog</span></a></span>' . $delimiter . ' '; } } if (is_category()) { $thisCat = get_category(get_query_var('cat'), false); if ($thisCat->parent != 0) { $category_link = get_category_link($thisCat->parent); echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . $category_link . '">' . '<span itemprop="title">' . get_cat_name($thisCat->parent) . '</span>' . '</a></span>' . $delimiter . ' '; } $category_id = get_cat_ID(single_cat_title('', false)); $category_link = get_category_link($category_id); echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . $category_link . '">' . '<span itemprop="title">' . single_cat_title('', false) . '</span>' . '</a></span>'; } elseif (is_single() && !is_attachment()) { if (get_post_type() != 'post') { $post_type = get_post_type_object(get_post_type()); $slug = $post_type->rewrite; echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . $homeLink . '/' . $slug['slug'] . '">' . '<span itemprop="title">' . $post_type->labels->singular_name . '</span>' . '</a></span>'; echo ' ' . $delimiter . ' ' . get_the_title(); } else { $category = get_the_category(); if ($category) { foreach ($category as $cat) { echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_category_link($cat->term_id) . '">' . '<span itemprop="title">' . $cat->name . '</span>' . '</a></span>' . $delimiter . ' '; } } echo get_the_title(); } } elseif (!is_single() && !is_page() && get_post_type() != 'post' && !is_404()) { $post_type = get_post_type_object(get_post_type()); echo $post_type->labels->singular_name; } elseif (is_attachment()) { $parent = get_post($post->post_parent); $cat = get_the_category($parent->ID); $cat = $cat[0]; echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' '); echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_permalink($parent) . '">' . '<span itemprop="title">' . $parent->post_title . '</span>' . '</a></span>'; echo ' ' . $delimiter . ' ' . get_the_title(); } elseif (is_page() && !$post->post_parent) { $get_post_slug = $post->post_name; $post_slug = str_replace('-', ' ', $get_post_slug); echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_permalink() . '">' . '<span itemprop="title">' . ucfirst($post_slug) . '</span>' . '</a></span>'; } elseif (is_page() && $post->post_parent) { $parent_id = $post->post_parent; $breadcrumbs = array(); while ($parent_id) { $page = get_page($parent_id); $breadcrumbs[] = '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_permalink($page->ID) . '">' . '<span itemprop="title">' . get_the_title($page->ID) . '</span>' . '</a></span>'; $parent_id = $page->post_parent; } $breadcrumbs = array_reverse($breadcrumbs); for ($i = 0; $i < count($breadcrumbs); $i++) { echo $breadcrumbs[$i]; if ($i != count($breadcrumbs) - 1) echo ' ' . $delimiter . ' '; } echo $delimiter . '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_permalink() . '">' . '<span itemprop="title">' . the_title_attribute('echo=0') . '</span>' . '</a></span>'; } elseif (is_tag()) { $tag_id = get_term_by('name', single_cat_title('', false), 'post_tag'); if ($tag_id) { $tag_link = get_tag_link($tag_id->term_id); } echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . $tag_link . '">' . '<span itemprop="title">' . single_cat_title('', false) . '</span>' . '</a></span>'; } elseif (is_author()) { global $author; $userdata = get_userdata($author); echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_author_posts_url($userdata->ID) . '">' . '<span itemprop="title">' . $userdata->display_name . '</span>' . '</a></span>'; } elseif (is_404()) { echo 'Error 404'; } elseif (is_search()) { echo 'Search results for "' . get_search_query() . '"'; } elseif (is_day()) { echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_year_link(get_the_time('Y')) . '">' . '<span itemprop="title">' . get_the_time('Y') . '</span>' . '</a></span>' . $delimiter . ' '; echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '">' . '<span itemprop="title">' . get_the_time('F') . '</span>' . '</a></span>' . $delimiter . ' '; echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_day_link(get_the_time('Y'), get_the_time('m'), get_the_time('d')) . '">' . '<span itemprop="title">' . get_the_time('d') . '</span>' . '</a></span>'; } elseif (is_month()) { echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_year_link(get_the_time('Y')) . '">' . '<span itemprop="title">' . get_the_time('Y') . '</span>' . '</a></span>' . $delimiter . ' '; echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '">' . '<span itemprop="title">' . get_the_time('F') . '</span>' . '</a></span>'; } elseif (is_year()) { echo '<span itemscope itemtype="' . $schema_link . '"><a itemprop="url" href="' . get_year_link(get_the_time('Y')) . '">' . '<span itemprop="title">' . get_the_time('Y') . '</span>' . '</a></span>'; } if (get_query_var('paged')) { if (is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author()) echo ' ('; echo __('Page') . ' ' . get_query_var('paged'); if (is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author()) echo ')'; } echo '</div> '; } }

and Add this php function code anywhere in your theme/template file.

echo dez_schema_breadcrumb(); ?>


After adding the code, you can use Google Structured Data Testing Tool to test your newly added schema breadcrumb data.