Tự động SEO Titles cho tất cả trang trong wordpress

<title><?php wp_title('&laquo;', true, 'right'); ?> <?php bloginfo('name'); ?></title>

<title> <?php if ( is_home() ) { ?><?php bloginfo('name'); ?> | <?php bloginfo('description'); ?><?php } ?>
<?php if ( is_search() ) { ?>Search Results for <?php /* Search Count */ $allsearch = &new WP_Query("s=$s&showposts=-1"); $key = wp_specialchars($s, 1); $count = $allsearch->post_count; _e('); echo $key; _e(' &mdash; '); echo $count . ' '; _e('articles'); wp_reset_query(); ?><?php } ?>
<?php if ( is_404() ) { ?><?php bloginfo('name'); ?> | 404 Nothing Found<?php } ?>
<?php if ( is_author() ) { ?><?php bloginfo('name'); ?> | Author Archives<?php } ?>
<?php if ( is_single() ) { ?><?php wp_title('); ?> | <?php
$category = get_the_category();
echo $category[0]->cat_name;
?> | <?php bloginfo('name'); ?><?php } ?>
<?php if ( is_page() ) { ?><?php bloginfo('name'); ?> | <?php
$category = get_the_category();
echo $category[0]->cat_name;  ?>|<?php wp_title('); ?><?php } ?>
<?php if ( is_category() ) { ?><?php single_cat_title(); ?> | <?php $category = get_the_category();
echo $category[0]->category_description; ?> | <?php bloginfo('name'); ?><?php } ?>
<?php if ( is_month() ) { ?><?php bloginfo('name'); ?> | Archive | <?php the_time('F, Y'); ?><?php } ?>
<?php if ( is_day() ) { ?><?php bloginfo('name'); ?> | Archive | <?php the_time('F j, Y'); ?><?php } ?>
<?php if (function_exists('is_tag')) { if ( is_tag() ) { ?><?php single_tag_title("", true); } } ?> | <?php bloginfo('name'); ?>
</title>