Damos una charla y taller sobre WPO en Congreso Web 2017

 <?php
/*
Plugin Name: Taller WPO – CWZ 2017
Plugin URI: http://www.siteground.es
Description: MU Plugin para eliminar funcionalidades superfluas de WP desde ‘cwz2017-funciones.php’
Version: 1.0
Author: Fernando Puente y Fernando Tellado
License: GPLv2 o posterior
*/// remove really simple discovery link
remove_action(‘wp_head’, ‘rsd_link’);// remove wlwmanifest.xml (needed to support windows live writer)
remove_action(‘wp_head’, ‘wlwmanifest_link’);// remove rss feed and exta feed links
// (make sure you add them in yourself if you are using as RSS service
remove_action(‘wp_head’, ‘feed_links’, 2);
remove_action(‘wp_head’, ‘feed_links_extra’, 3);// remove the next and previous post links
remove_action(‘wp_head’, ‘adjacent_posts_rel_link’, 10, 0);
remove_action(‘wp_head’, ‘adjacent_posts_rel_link_wp_head’, 10, 0 );// remove the shortlink url from header
remove_action(‘wp_head’, ‘wp_shortlink_wp_head’, 10, 0 );// remove wordpress generator version
remove_action( ‘wp_head’ , ‘wp_generator’ );// remove emoji styles and script from header
remove_action( ‘wp_head’, ‘print_emoji_detection_script’, 7 );
remove_action( ‘wp_print_styles’, ‘print_emoji_styles’ );
remove_filter( ‘wp_mail’, ‘wp_staticize_emoji_for_email’ );
remove_filter( ‘the_content_feed’, ‘wp_staticize_emoji’ );
remove_filter( ‘comment_text_rss’, ‘wp_staticize_emoji’ );// disable json api and remove link from header
// remove json_api
remove_action( ‘wp_head’, ‘rest_output_link_wp_head’, 10 );
remove_action( ‘wp_head’, ‘wp_oembed_add_discovery_links’, 10 );
remove_action( ‘rest_api_init’, ‘wp_oembed_register_route’ );
add_filter( ’embed_oembed_discover’, ‘__return_false’ );
remove_filter( ‘oembed_dataparse’, ‘wp_filter_oembed_result’, 10 );
remove_action( ‘wp_head’, ‘wp_oembed_add_discovery_links’ );
remove_action( ‘wp_head’, ‘wp_oembed_add_host_js’ );
remove_action( ‘template_redirect’, ‘rest_output_link_header’, 11, 0 );// disable json_api
add_filter(‘json_enabled’, ‘__return_false’);
add_filter(‘json_jsonp_enabled’, ‘__return_false’);
add_filter(‘rest_enabled’, ‘__return_false’);
add_filter(‘rest_jsonp_enabled’, ‘__return_false’);// remove s.w.org dns-prefetch
remove_action( ‘wp_head’, ‘wp_resource_hints’, 2 );

//Remove jquery_migrate
add_filter( ‘wp_default_scripts’, ‘dequeue_jquery_migrate’ );
function dequeue_jquery_migrate( &$scripts){
if(!is_admin()){
$scripts->remove( ‘jquery’);
$scripts->add( ‘jquery’, false, array( ‘jquery-core’ ), ‘1.10.2’ );
}
}

//Remove oEmbed Scripts
add_action(‘init’, ‘deregister_wp_embed’);
function deregister_wp_embed() {
if (!is_admin()) {
wp_deregister_script(‘wp-embed’);
}
}

//Remove heartbeat
add_action( ‘init’, ‘stop_heartbeat’, 1 );
function stop_heartbeat() {
wp_deregister_script(‘heartbeat’);
}

// — dequeue Contact Form Builder script/style on every page except contact page
if ( !is_page(“contacto”) ) {
add_filter( ‘wpcf7_load_js’, ‘__return_false’ );
add_filter( ‘wpcf7_load_css’, ‘__return_false’ );
}

function _remove_script_version( $src ){
$parts = explode( ‘?ver’, $src );
return $parts[0];
}
add_filter( ‘script_loader_src’, ‘_remove_script_version’, 15, 1 );
add_filter( ‘style_loader_src’, ‘_remove_script_version’, 15, 1 );
?>

 <IfModule mod_deflate.c>
SetOutputFilter DEFLATE
# Compress HTML, CSS, JavaScript, Text, XML and fonts
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
AddOutputFilterByType DEFLATE application/x-font
AddOutputFilterByType DEFLATE application/x-font-opentype
AddOutputFilterByType DEFLATE application/x-font-otf
AddOutputFilterByType DEFLATE application/x-font-truetype
AddOutputFilterByType DEFLATE application/x-font-ttf
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE font/opentype
AddOutputFilterByType DEFLATE font/otf
AddOutputFilterByType DEFLATE font/ttf
AddOutputFilterByType DEFLATE image/svg+xml
AddOutputFilterByType DEFLATE image/x-icon
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/javascript
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/xml# Remove browser bugs (only needed for really old browsers)
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
Header append Vary User-Agent
</IfModule>

<IfModule mod_expires.c>
ExpiresActive On
# CSS
ExpiresByType text/css “access plus 1 year”
# Favicon
ExpiresByType image/x-icon “access plus 1 year”
# JavaScript
ExpiresByType application/javascript “access plus 1 year”
# Media
ExpiresByType image/gif “access plus 1 year”
ExpiresByType image/jpeg “access plus 1 year”
ExpiresByType image/png “access plus 1 year”
ExpiresByType image/svg+xml “access plus 1 year”
ExpiresByType application/pdf “access plus 1 month”
# Default
ExpiresDefault “now plus 5 minutes”
</IfModule>#Cache 1 mes para las fuentes
<FilesMatch “\.(eot|svg|ttf|woff|woff2)$”>
Header set Cache-Control “max-age=2592000, public”
</FilesMatch>

 #Habilitar Keep-alive (con http/2 no ponerlo)
<IfModule mod_headers.c>
Header set Connection keep-alive
# Number of requests to allow during a persistent connection
MaxKeepAliveRequests 60
# Number of seconds to wait for the next request from the # same client on the same connection
KeepAliveTimeout 15
</IfModule>#Quitar ETag a los estáticos
<FilesMatch “\.(ico|jpg|jpeg|png|gif|js|css|htm|html|eot|svg|ttf|woff|woff2)$”>
Header unset ETag
FileETag None
</FilesMatch>#Custom header
Header set X-TallerWPO “Gracias por venir al #CW17”

 #cf7 selectivo
#Ejemplo
// — dequeue Contact Form Builder script/style on every page except contact page
if ( !is_page(“contacto”) ) {
add_filter( ‘wpcf7_load_js’, ‘__return_false’ );
add_filter( ‘wpcf7_load_css’, ‘__return_false’ );
}#disqus selectivo
// Disqus only in single
function disqus_only_in_single() {
if ( is_singular( array( ‘post’, ‘page’ ) ) && comments_open() ) {
return;
}remove_action( ‘loop_end’, ‘dsq_loop_end’ );
remove_action( ‘wp_footer’, ‘dsq_output_footer_comment_js’ );
}
add_action( ‘wp_enqueue_scripts’, ‘disqus_only_in_single’, 100 );#woo selectivo
/**
* Optimiza los scripts de WooCommerce
* Quita la tag Generator de WooCommerce, estilos y scripts de páginas no WooCommerce.
*/
add_action( ‘wp_enqueue_scripts’, ‘child_manage_woocommerce_styles’, 99 );function child_manage_woocommerce_styles() {
//quitamos la tag generator meta
remove_action( ‘wp_head’, array( $GLOBALS[‘woocommerce’], ‘generator’ ) );//Primero comprobamos si está instalado WooCommerce para evitar errores fatales
if ( function_exists( ‘is_woocommerce’ ) ) {
//y aplicamos el dequeue a scripts y estilos
if ( ! is_woocommerce() && ! is_cart() && ! is_checkout() ) {
wp_dequeue_style( ‘woocommerce_frontend_styles’ );
wp_dequeue_style( ‘woocommerce_fancybox_styles’ );
wp_dequeue_style( ‘woocommerce_chosen_styles’ );
wp_dequeue_style( ‘woocommerce_prettyPhoto_css’ );
wp_dequeue_script( ‘wc_price_slider’ );
wp_dequeue_script( ‘wc-single-product’ );
wp_dequeue_script( ‘wc-add-to-cart’ );
wp_dequeue_script( ‘wc-cart-fragments’ );
wp_dequeue_script( ‘wc-checkout’ );
wp_dequeue_script( ‘wc-add-to-cart-variation’ );
wp_dequeue_script( ‘wc-single-product’ );
wp_dequeue_script( ‘wc-cart’ );
wp_dequeue_script( ‘wc-chosen’ );
wp_dequeue_script( ‘woocommerce’ );
wp_dequeue_script( ‘prettyPhoto’ );
wp_dequeue_script( ‘prettyPhoto-init’ );
wp_dequeue_script( ‘jquery-blockui’ );
wp_dequeue_script( ‘jquery-placeholder’ );
wp_dequeue_script( ‘fancybox’ );
wp_dequeue_script( ‘jqueryui’ );
}
}}