Created
September 12, 2013 18:30
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Sure, there’s lots of great WordPress plugins to help you with SEO. But in case you don’t want to use a plugin, here’s a super efficient code make your blog SEO friendly.
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function basic_wp_seo() { | |
global $page, $paged, $post; | |
$default_keywords = 'wordpress, plugins, themes, design, dev, development, security, htaccess, apache, php, sql, html, css, jquery, javascript, tutorials'; // customize | |
$output = ''; | |
// description | |
$seo_desc = get_post_meta($post->ID, 'mm_seo_desc', true); | |
$description = get_bloginfo('description', 'display'); | |
$pagedata = get_post($post->ID); | |
if (is_singular()) { | |
if (!empty($seo_desc)) { | |
$content = $seo_desc; | |
} else if (!empty($pagedata)) { | |
$content = apply_filters('the_excerpt_rss', $pagedata->post_content); | |
$content = substr(trim(strip_tags($content)), 0, 155); | |
$content = preg_replace('#\n#', ' ', $content); | |
$content = preg_replace('#\s{2,}#', ' ', $content); | |
$content = trim($content); | |
} | |
} else { | |
$content = $description; | |
} | |
$output .= '<meta name="description" content="' . esc_attr($content) . '">' . "\n"; | |
// keywords | |
$keys = get_post_meta($post->ID, 'mm_seo_keywords', true); | |
$cats = get_the_category(); | |
$tags = get_the_tags(); | |
if (empty($keys)) { | |
if (!empty($cats)) foreach($cats as $cat) $keys .= $cat->name . ', '; | |
if (!empty($tags)) foreach($tags as $tag) $keys .= $tag->name . ', '; | |
$keys .= $default_keywords; | |
} | |
$output .= "\t\t" . '<meta name="keywords" content="' . esc_attr($keys) . '">' . "\n"; | |
// robots | |
if (is_category() || is_tag()) { | |
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1; | |
if ($paged > 1) { | |
$output .= "\t\t" . '<meta name="robots" content="noindex,follow">' . "\n"; | |
} else { | |
$output .= "\t\t" . '<meta name="robots" content="index,follow">' . "\n"; | |
} | |
} else if (is_home() || is_singular()) { | |
$output .= "\t\t" . '<meta name="robots" content="index,follow">' . "\n"; | |
} else { | |
$output .= "\t\t" . '<meta name="robots" content="noindex,follow">' . "\n"; | |
} | |
// title | |
$title_custom = get_post_meta($post->ID, 'mm_seo_title', true); | |
$url = ltrim(esc_url($_SERVER['REQUEST_URI']), '/'); | |
$name = get_bloginfo('name', 'display'); | |
$title = trim(wp_title('', false)); | |
$cat = single_cat_title('', false); | |
$tag = single_tag_title('', false); | |
$search = get_search_query(); | |
if (!empty($title_custom)) $title = $title_custom; | |
if ($paged >= 2 || $page >= 2) $page_number = ' | ' . sprintf('Page %s', max($paged, $page)); | |
else $page_number = ''; | |
if (is_home() || is_front_page()) $seo_title = $name . ' | ' . $description; | |
elseif (is_singular()) $seo_title = $title . ' | ' . $name; | |
elseif (is_tag()) $seo_title = 'Tag Archive: ' . $tag . ' | ' . $name; | |
elseif (is_category()) $seo_title = 'Category Archive: ' . $cat . ' | ' . $name; | |
elseif (is_archive()) $seo_title = 'Archive: ' . $title . ' | ' . $name; | |
elseif (is_search()) $seo_title = 'Search: ' . $search . ' | ' . $name; | |
elseif (is_404()) $seo_title = '404 - Not Found: ' . $url . ' | ' . $name; | |
else $seo_title = $name . ' | ' . $description; | |
$output .= "\t\t" . '<title>' . esc_attr($seo_title . $page_number) . '</title>' . "\n"; | |
return $output; | |
} |
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<?php echo basic_wp_seo(); ?> |
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