{"id":89848,"date":"2020-07-26T19:42:13","date_gmt":"2020-07-26T17:42:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chrome-dobavlena-podderzhka-otlozhennoj-zagruzki-iframe-blokov"},"modified":"2020-07-26T19:42:13","modified_gmt":"2020-07-26T17:42:13","slug":"v-chrome-dobavlena-podderzhka-otlozhennoj-zagruzki-iframe-blokov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/v-chrome-dobavlena-podderzhka-otlozhennoj-zagruzki-iframe-blokov","title":{"rendered":"En Chrome se ha a\u00f1adido soporte para la carga diferida de bloques iframe.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Los desarrolladores del navegador Chrome informaron<\/a><\/noindex> han ampliado las herramientas para la carga diferida de elementos de p\u00e1ginas web, que permiten no cargar el contenido que est\u00e1 fuera del \u00e1rea visible, hasta que el usuario desplaza la p\u00e1gina hacia la posici\u00f3n justo antes del elemento. Anteriormente, en Chrome 76 y Firefox 75, este modo ya se hab\u00eda implementado para im\u00e1genes. Ahora, los desarrolladores de Chrome han dado otro paso y han a\u00f1adido la posibilidad de carga diferida de bloques iframe.<\/p>\n

Para gestionar la carga diferida de las p\u00e1ginas en la etiqueta se ha agregado el atributo 'loading', que puede aceptar el valor 'lazy' (cargar m\u00e1s tarde), 'eager' (cargar inmediatamente) y 'auto' (cargar a discreci\u00f3n del navegador cuando el modo est\u00e1 activado. Lite<\/a><\/noindex>). Se prev\u00e9 que la carga diferida permitir\u00e1 reducir el consumo de memoria, disminuir el tr\u00e1fico y aumentar la velocidad de apertura inicial de las p\u00e1ginas. Por ejemplo, al activar este nuevo modo, dejar\u00e1n de cargarse inmediatamente los bloques de publicidad y widgets de Twitter, Facebook y YouTube, si no son visibles para el usuario, hasta que este desplace la p\u00e1gina a la posici\u00f3n antes de estos bloques. <\/p>\n

\"En<\/a><\/noindex><\/center><\/p>\n

Seg\u00fan la estimaci\u00f3n de los desarrolladores, en promedio la carga diferida permitir\u00e1 ahorrar un 2-3% de tr\u00e1fico, reducir el n\u00famero de representaciones iniciales<\/a><\/noindex> en un 1-2% y disminuir la latencia antes de la disponibilidad de entrada<\/a><\/noindex> en un 2%. Para sitios espec\u00edficos, los cambios son m\u00e1s evidentes. Por ejemplo, activar la carga diferida del bloque de YouTube reducir\u00e1 los datos cargados aproximadamente en 500KB, Instagram \u2014 en 100KB, Spotify \u2014 500KB, Facebook \u2014 400KB. En particular, el uso de la carga diferida de bloques de YouTube en el sitio Chrome.com permiti\u00f3 reducir en hasta 10 segundos el tiempo de espera para la disponibilidad de las p\u00e1ginas en dispositivos m\u00f3viles y disminuir en 511KB el tama\u00f1o del c\u00f3digo JavaScript inicialmente cargado. <\/p>\n

\"En<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Fuente: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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