If you use the Contact Form 7 forms plugin in WordPress and, like me, you keep checking load times, it is likely that you have noticed the slowness of the wpcf7_is_ajax_call component. The reason is an incompatibility between both systems that we can solve by adding the following lines in the functions.php of your template, according to a Stackoverflow post:<\/p>\n
In my case I have achieved an average reduction of 900 ms with this patch, which in average loading times of 2 to 2.5 seconds is a real outrage<\/p>\n","protected":false},"excerpt":{"rendered":" If you use the Contact Form 7 forms plugin in WordPress and, like me, you keep checking load times, it is likely that you have noticed the slowness of the wpcf7_is_ajax_call component. The reason is an incompatibility between both systems that we can solve by adding the following lines in the functions.php of your template, […]<\/p>\n","protected":false},"author":1,"featured_media":17724,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[67,70,69],"tags":[79,80,78,81,82,83],"class_list":["post-18472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en-2","category-programacion-en","category-wordpress-en-2","tag-ajax-en","tag-contact-form-7-en","tag-formularios-en","tag-lento-en","tag-velocidad-en","tag-wordpress-en"],"yoast_head":"\n\/\/ Hack Contact Form 7 to avoid unwanted ajax calls
\n\/\/ see http:\/\/stackoverflow.com\/questions\/19632244\/is-w3-total-cache-compatible-with-contact-form-7
\nadd_action('wpcf7_enqueue_scripts', 'hack_cf7');
\nfunction hack_cf7() {
\n$_wpcf7 = array(
\n'loaderUrl' => wpcf7_ajax_loader(),
\n'sending' => __( 'Sending ...', 'contact-form-7' )
\n);
\nwp_localize_script( 'contact-form-7', '_wpcf7', $_wpcf7 );
\n}<\/code><\/p>\n