{"id":8446,"date":"2017-03-21T04:36:30","date_gmt":"2017-03-21T11:36:30","guid":{"rendered":"https:\/\/kinsta.com\/es\/?post_type=knowledgebase&#038;p=8446"},"modified":"2025-10-01T21:38:56","modified_gmt":"2025-10-01T19:38:56","slug":"arreglar-specify-a-vary-accept-encoding-header","status":"publish","type":"post","link":"https:\/\/kinsta.com\/es\/blog\/arreglar-specify-a-vary-accept-encoding-header\/","title":{"rendered":"C\u00f3mo Arreglar el Aviso \u00abSpecify a Vary: Accept-Encoding Header\u00bb"},"content":{"rendered":"<p><b>\u00bf<\/b>Aparece el aviso\u00a0\u00abSpecify a Vary: Accept-Encoding Header\u00bb en <a href=\"https:\/\/kinsta.com\/es\/blog\/herramienta-pingdom\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pingdom<\/a>, GTmetrix o Google PageSpeed Insight en\u00a0su sitio WordPress? Esta es una cabecera HTTP y debe ser incluida en cada\u00a0respuesta del servidor de origen\u00a0ya que \u00e9ste dice al navegador si el cliente puede manejar\u00a0versiones comprimidas del contenido o no.<\/p>\n<p>Por ejemplo, digamos que usamos un navegador antiguo sin compresi\u00f3n gzip y un navegador moderno con ella. Si usted no utiliza la cabecera <strong>Vary: Accept-Encoding\u00a0<\/strong>su servidor web o la CDN podr\u00eda cachear la versi\u00f3n sin comprimir y entregarla al navegador moderno por error, que en cambio perjudica\u00a0el rendimiento de su sitio WordPress. Con el uso de la cabecera\u00a0\u00a0<strong>Vary: Accept-Encoding<\/strong> usted puede asegurarse de que su servidor web o CDN entregue la versi\u00f3n apropiada.<\/p>\n<p>Dependiendo de que herramienta y software reporta este problema, la advertencia puede aparecer en varias formas:<\/p>\n<ul>\n<li>\u201cSpecify a Vary: Accept-Encoding Header\u201d<\/li>\n<li>The following publicly cacheable, compressible resources should have a \u201cvary: accept-encoding\u201d header &#8211; los siguientes recursos son cacheables y compresibles p\u00fablicamente y deben de tener cabecera\u00a0\u201cvary: accept-encoding\u201d<\/li>\n<\/ul>\n<figure id=\"attachment_10279\" aria-describedby=\"caption-attachment-10279\" style=\"width: 1688px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10279 size-full\" src=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding.png\" alt=\"Aviso \"Specify a Vary: Accept-Encoding header\" en Pingdom\" width=\"1688\" height=\"1205\" srcset=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding.png 1688w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding-300x214.png 300w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding-768x548.png 768w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding-1024x731.png 1024w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding-610x435.png 610w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-specify-vary-accept-encoding-429x306.png 429w\" sizes=\"auto, (max-width: 1688px) 100vw, 1688px\" \/><figcaption id=\"caption-attachment-10279\" class=\"wp-caption-text\">Aviso \u00abSpecify a Vary: Accept-Encoding header\u00bb en Pingdom<\/figcaption><\/figure>\n<p>Siga los pasos abajo para aprender c\u00f3mo arreglar el aviso \u00abSpecify a Vary: Accept-Encoding Header\u00bb.<\/p>\n<h2>Arreglar el Aviso \u00abSpecify a Vary: Accept-Encoding Header\u00bb<\/h2>\n<p>La primera cosa para tener en cuenta sobre esta advertencia es que <span style=\"text-decoration: underline\">usted puede corregirla s\u00f3lo en caso de solicitudes en su servidor<\/span>. Si recibe solicitudes de terceros y aparece esta alerta no puede hacer nada ya que no tiene control sobre sus servidores web. Sin embargo no dude en\u00a0compartir este art\u00edculo con ellos. La cabecera Vary: Accept-Encoding se agrega\u00a0por defecto a todos los servidores de Kinsta (como se ve\u00a0abajo) , es decir si usted ya es cliente de Kinsta nunca ver\u00e1 este aviso y no tendr\u00e1 que preocuparse.<\/p>\n<figure id=\"attachment_10278\" aria-describedby=\"caption-attachment-10278\" style=\"width: 1567px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10278 size-full\" src=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta.png\" alt=\"vary: accept-encoding header kinsta\" width=\"1567\" height=\"622\" srcset=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta.png 1567w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta-300x119.png 300w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta-768x305.png 768w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta-1024x406.png 1024w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta-610x242.png 610w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/cabecera-vary-accept-encoding-kinsta-460x183.png 460w\" sizes=\"auto, (max-width: 1567px) 100vw, 1567px\" \/><figcaption id=\"caption-attachment-10278\" class=\"wp-caption-text\">Vary: Accept-Encoding header en los servidores de Kinsta<\/figcaption><\/figure>\n<p>La cabecera se aplica tanto para sus activos de WordPress como sus solicitudes del servidor original. Para sus activos si utiliza una CDN muchas ya aplican <strong>Vary: Accept-Encoding<\/strong>\u00a0por defecto. KeyCDN, Cloudflare y CloudFront ya todas la\u00a0utilizan. Muchos plugins de caching de WordPress ya la tienen tambi\u00e9n.<\/p>\n<p>Si a\u00fan necesita arreglar esto, necesitar\u00e1 a\u00f1adir alg\u00fan c\u00f3digo a su servidor.<\/p>\n<h3>Arreglar el Aviso \u00abSpecify a Vary: Accept-Encoding Header\u00bb en Apache<\/h3>\n<p>Para arreglarlo en Apache a\u00f1ada el c\u00f3digo siguiente a su archivo .htaccess v\u00eda FTP. Este archivo se encuentra en la ra\u00edz (root) de su servidor. Tambi\u00e9n puede <a href=\"https:\/\/kb.yoast.com\/kb\/how-to-edit-htaccess-through-yoast-seo\/\" target=\"_blank\" rel=\"noopener noreferrer\">editar su archivo .htaccess<\/a> con el plugin Yoast SEO si sus permisos se establecen\u00a0correctamente.<\/p>\n<div class=\"warning\" style=\"background: #FFFCE3;padding: 22px;margin-bottom: 22px\">\u00a1Importante! Editar su archivo .htaccess puede romper su sitio si no se hace correctamente. Si no se siente c\u00f3modo al hacer esto, verif\u00edquelo con su host primero.<\/div>\n<pre class=\"toolbar:2 show-lang:2 show-plain:3 lang:default highlight:0 decode:true\">&lt;IfModule mod_headers.c&gt;\n  &lt;FilesMatch \".(js|css|xml|gz|html)$\"&gt;\n    Header append Vary: Accept-Encoding\n  &lt;\/FilesMatch&gt;\n&lt;\/IfModule&gt;<\/pre>\n<h3>Arreglar el Aviso \u00abSpecify a Vary: Accept-Encoding Header\u00bb en NGINX<\/h3>\n<p>Para arreglarlo en NGINX\u00a0a\u00f1ada el siguiente c\u00f3digo a su archivo de configuraci\u00f3n. Todos los archivos de configuraci\u00f3n de NGINX se\u00a0encuentran en el directorio\u00a0<code>\/etc\/nginx\/<\/code>. El archivo de configuraci\u00f3n primario es\u00a0<code>\/etc\/nginx\/nginx.conf<\/code>.<\/p>\n<p>gzip_vary on<\/p>\n<p>Usar la cabecera <strong>Vary: Accept-Encoding<\/strong> de hecho puede ayudar a acelerar\u00a0su sitio WordPress ya que le asegurar\u00e1 de que usted utiliza la compresi\u00f3n gzip. Si todo va bien y usted no tiene ninguna solicitud de terceros que no utilizan correctamente la cabecera, usted debe ver una mejora en el resultado que dan\u00a0las herramientas de prueba de velocidad, como\u00a0por ejemplo Pingdom (como se ve\u00a0a continuaci\u00f3n).<\/p>\n<figure id=\"attachment_10277\" aria-describedby=\"caption-attachment-10277\" style=\"width: 1691px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10277 size-full\" src=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header.png\" alt=\"puntuaci\u00f3n de 100 accept encoding header\" width=\"1691\" height=\"683\" srcset=\"https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header.png 1691w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header-300x121.png 300w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header-768x310.png 768w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header-1024x414.png 1024w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header-610x246.png 610w, https:\/\/kinsta.com\/es\/wp-content\/uploads\/sites\/8\/2017\/03\/100-puntuacio\u0301n-accept-encoding-header-460x186.png 460w\" sizes=\"auto, (max-width: 1691px) 100vw, 1691px\" \/><figcaption id=\"caption-attachment-10277\" class=\"wp-caption-text\">Aviso de \u00abSpecify a Vary: Accept-Encoding header\u00bb arreglado<\/figcaption><\/figure>\n<p>\u00a0<\/p>\n<h3>Art\u00edculos Relacionados<\/h3>\n<ul style=\"margin-left: 30px\">\n<li><a href=\"https:\/\/kinsta.com\/es\/blog\/specify-a-cache-validator\/\" target=\"_blank\" rel=\"noopener noreferrer\">C\u00f3mo Arreglar el Aviso \u00abSpecify a Cache Validator\u00bb<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/es\/blog\/leverage-browser-caching\/\" target=\"_blank\" rel=\"noopener noreferrer\">C\u00f3mo Resolver los Errores\u00a0\u00abLeverage Browser Caching\u00bb en WordPress<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/es\/blog\/gtmetrix-herramienta-de-test-de-velocidad\/\" target=\"_blank\" rel=\"noopener noreferrer\">Una Inmersi\u00f3n Profunda en GTmetrix Herramienta de Test de Velocidad<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfAparece el aviso\u00a0\u00abSpecify a Vary: Accept-Encoding Header\u00bb en Pingdom, GTmetrix o Google PageSpeed Insight en\u00a0su sitio WordPress? Esta es una cabecera HTTP y debe ser incluida &#8230;<\/p>\n","protected":false},"author":40,"featured_media":53113,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[1349],"class_list":["post-8446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-problemas-wordpress"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00f3mo Arreglar &quot;Specify a Vary: Accept-Encoding Header&quot;<\/title>\n<meta name=\"description\" content=\"En nuestro art\u00edculo nuevo puede aprender c\u00f3mo arreglar la advertencia &quot;Specify a Vary: Accept-Encoding Header&quot; en su sitio WordPress.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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