{"id":3922,"date":"2020-11-18T09:07:03","date_gmt":"2020-11-18T08:07:03","guid":{"rendered":"https:\/\/esferas.org\/msqlu\/?p=3922"},"modified":"2020-11-18T09:16:05","modified_gmt":"2020-11-18T08:16:05","slug":"pues-si-que-hay-etiquetas","status":"publish","type":"post","link":"https:\/\/esferas.org\/msqlu\/2020\/11\/18\/pues-si-que-hay-etiquetas\/","title":{"rendered":"Pues s\u00ed que hay etiquetas"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:224,&quot;href&quot;:&quot;https:\\\/\\\/www.muylinux.com\\\/2020\\\/11\\\/17\\\/mozilla-servo-the-linux-foundation&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260415110533\\\/https:\\\/\\\/www.muylinux.com\\\/2020\\\/11\\\/17\\\/mozilla-servo-the-linux-foundation\\\/&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/www.muylinux.com\\\/2020\\\/11\\\/17\\\/mozilla-servo-the-linux-foundation\\\/&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:225,&quot;href&quot;:&quot;https:\\\/\\\/ogp.me&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:226,&quot;href&quot;:&quot;https:\\\/\\\/developers.google.com\\\/search\\\/reference\\\/robots_meta_tag&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/developers.google.com\\\/search\\\/docs\\\/crawling-indexing\\\/robots-meta-tag&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:227,&quot;href&quot;:&quot;https:\\\/\\\/developer.twitter.com\\\/en\\\/docs\\\/twitter-for-websites\\\/cards\\\/overview\\\/abouts-cards&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20240515174221\\\/https:\\\/\\\/developer.twitter.com\\\/en\\\/docs\\\/twitter-for-websites\\\/cards\\\/overview\\\/abouts-cards&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-04-15 11:03:17&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-15 11:03:17&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:228,&quot;href&quot;:&quot;https:\\\/\\\/developer.mozilla.org\\\/en-US\\\/docs\\\/Learn\\\/HTML\\\/Introduction_to_HTML\\\/The_head_metadata_in_HTML&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20241218214029\\\/https:\\\/\\\/developer.mozilla.org\\\/en-US\\\/docs\\\/Learn\\\/HTML\\\/Introduction_to_HTML\\\/The_head_metadata_in_HTML&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/developer.mozilla.org\\\/en-US\\\/docs\\\/Learn_web_development\\\/Core\\\/Structuring_content\\\/Webpage_metadata&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:229,&quot;href&quot;:&quot;https:\\\/\\\/moz.com\\\/blog\\\/the-ultimate-guide-to-seo-meta-tags&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260323134528\\\/https:\\\/\\\/moz.com\\\/blog\\\/the-ultimate-guide-to-seo-meta-tags&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-04-15 11:03:35&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-15 11:03:35&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:230,&quot;href&quot;:&quot;https:\\\/\\\/htmlhead.dev&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260415112127\\\/https:\\\/\\\/htmlhead.dev\\\/&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<p>En la cabecera de una p\u00e1gina web moderna. Como <a href=\"https:\/\/esferas.org\/msqlu\/2020\/11\/14\/por-que-no-se-previsualizan-los-enlaces\/#comment-252\" target=\"_blank\" rel=\"noreferrer noopener\">dec\u00eda Angel<\/a> en la otra entrada, Twitter tambi\u00e9n tiene su sistema particular. <\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Ha sido casualidad pero me ha dado por mirar una noticia de la web <a href=\"https:\/\/www.muylinux.com\/2020\/11\/17\/mozilla-servo-the-linux-foundation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Muy Linux<\/a> que he retuiteado y en la que he visto que se previsualiza muy correctamente. <\/p>\n\n\n\n<p>La he abierto en el navegador y he consultado la informaci\u00f3n de la p\u00e1gina:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2-1024x768.png\" alt=\"\" class=\"wp-image-3923\" srcset=\"https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2-1024x768.png 1024w, https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2-300x225.png 300w, https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2-768x576.png 768w, https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2-1200x900.png 1200w, https:\/\/esferas.org\/msqlu\/wp-content\/uploads\/sites\/12\/2020\/11\/imagen-2.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Informaci\u00f3n de la p\u00e1gina seg\u00fan Firefox<\/figcaption><\/figure><\/div>\n\n\n\n<p>Como grupos de etiquetas tenemos los <strong>og:<\/strong> (que ya s\u00e9 que son de <a href=\"https:\/\/ogp.me\/\">Open Graph<\/a>=, las de <strong>article:<\/strong> (que parecen ser de <a href=\"https:\/\/developers.google.com\/search\/reference\/robots_meta_tag\" target=\"_blank\" rel=\"noreferrer noopener\">Google y sus bots<\/a>) y las de <strong>twitter:<\/strong> (llamadas <a rel=\"noreferrer noopener\" href=\"https:\/\/developer.twitter.com\/en\/docs\/twitter-for-websites\/cards\/overview\/abouts-cards\" target=\"_blank\">Twitter Cards<\/a>) adem\u00e1s de las habituales como <em>description<\/em>, <em>viewport<\/em> y <em>robots<\/em>.<\/p>\n\n\n\n<p>En realidad en cuanto a etiquetas en la cabecera no hay ning\u00fan <em>est\u00e1ndar<\/em> global. Cada cual se lo ha ido apa\u00f1ando a su gusto y, encima, algunas dejan de ser \u00fatiles con el tiempo y se cambian. Nada nuevo en esta absurda pelea por la supremac\u00eda del contenido. Absurda porque no ganamos nada en general, tan s\u00f3lo algunos jardines vallados est\u00e1n mejor adornados que otros. <\/p>\n\n\n\n<p>Las referencias del final son un intento de recopilaci\u00f3n de informaci\u00f3n al respecto y es un poco descorazonador ver c\u00f3mo de dispersa est\u00e1. No me extra\u00f1a que los desarrolladores web se desesperen si a la mezcla le a\u00f1adimos las diferentes versiones de navegadores y sistemas operativos. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Referencias<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><a rel=\"noreferrer noopener\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Learn\/HTML\/Introduction_to_HTML\/The_head_metadata_in_HTML\" target=\"_blank\">Mozilla: What\u2019s in the head? Metadata in HTML<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"Gu\u00eda para administradores de web sobre la acci\u00f3n de compartir\" target=\"_blank\">Facebook: Gu\u00eda para administradores de web sobre la acci\u00f3n de compartir<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/moz.com\/blog\/the-ultimate-guide-to-seo-meta-tags\" target=\"_blank\">The Ultimate Guide to SEO Meta Tags<\/a><\/li><li><a href=\"https:\/\/htmlhead.dev\/\" target=\"_blank\" rel=\"noreferrer noopener\">HEAD: A free guide to HTML5 &lt;head&gt; elements<\/a><\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la cabecera de una p\u00e1gina web moderna. Como dec\u00eda Angel en la otra entrada, Twitter tambi\u00e9n tiene su sistema particular.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","webmentions_disabled_pings":false,"webmentions_disabled":false,"footnotes":""},"categories":[14],"tags":[1073,1074,549,426,1070,137],"class_list":["post-3922","post","type-post","status-publish","format-standard","hentry","category-internet","tag-facebook","tag-google-bots","tag-html","tag-mozilla","tag-open-graph-protocol","tag-twitter"],"_links":{"self":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts\/3922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/comments?post=3922"}],"version-history":[{"count":4,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts\/3922\/revisions"}],"predecessor-version":[{"id":3927,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/posts\/3922\/revisions\/3927"}],"wp:attachment":[{"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/media?parent=3922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/categories?post=3922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esferas.org\/msqlu\/wp-json\/wp\/v2\/tags?post=3922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}