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May 25, 2017 14:02
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Learn how to enable DNS Prefetch and DNS Prerender in WordPress. You can read complete tutorial at http://blogprime.com/dns-prefetch-prerender-in-wordpress-with-instant-articles-plugin
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<?php | |
/* Please don't copy the opening <?php tag */ | |
function blogprime_homepage_dns_prefetch() { | |
/* variable for storing the homepage url */ | |
$homepage = get_home_url(); | |
/* variable for storing the next post url */ | |
$next_post = get_next_post(); | |
/* variable for storing the previous post url */ | |
$prev_post = get_previous_post(); | |
/* if homepage is present (not empty) then do following */ | |
if ( !empty( $homepage ) ) { | |
echo '<link rel="prefetch" href="'.$homepage.'" /> | |
<link rel="prerender" href="'.$homepage.'" />'; | |
} | |
/* if next post is present then do following */ | |
if ( !empty( $next_post ) ) { | |
echo '<link rel="prefetch" href="'.get_permalink( $next_post->ID ).'" /> | |
<link rel="prerender" href="'.get_permalink( $next_post->ID ).'" />'; | |
} | |
/* if previous post is present then do following */ | |
if ( !empty( $prev_post ) ) { | |
echo '<link rel="prefetch" href="'.get_permalink( $prev_post->ID ).'" /> | |
<link rel="prerender" href="'.get_permalink( $prev_post->ID ).'" />'; | |
} | |
} | |
add_action( 'wp_head', 'blogprime_homepage_dns_prefetch', 10 ); |
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