{"id":926514,"date":"2025-06-07T02:22:32","date_gmt":"2025-06-07T02:22:32","guid":{"rendered":"https:\/\/proxyelite.info\/?p=926514"},"modified":"2025-06-07T02:22:33","modified_gmt":"2025-06-07T02:22:33","slug":"how-to-collect-public-data-from-websites-without-getting-blocked","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/es\/how-to-collect-public-data-from-websites-without-getting-blocked\/","title":{"rendered":"C\u00f3mo recopilar datos p\u00fablicos de sitios web sin ser bloqueado"},"content":{"rendered":"<p class=\"wp-block-paragraph\">El web scraping es esencial para estudios de mercado, SEO, seguimiento de comercio electr\u00f3nico y m\u00e1s. Pero sin precauciones, tu IP podr\u00eda ser baneada r\u00e1pidamente. Aqu\u00ed te explicamos c\u00f3mo mantenerte discreto mientras recopilas datos p\u00fablicos en l\u00ednea de forma segura y eficaz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfPor qu\u00e9 los sitios web bloquean los scrapers?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tr\u00e1fico inusual:<\/strong> La alta frecuencia de solicitudes genera sospechas.<\/li>\n\n\n\n<li><strong>Patrones repetidos:<\/strong> Las mismas IP llegan a las mismas URL.<\/li>\n\n\n\n<li><strong>Encabezados faltantes:<\/strong> Falta de <code data-no-translation=\"\">User-Agent<\/code>, <code data-no-translation=\"\">Referer<\/code>, etc.<\/li>\n\n\n\n<li><strong>Representaci\u00f3n de JavaScript:<\/strong> Algunos sitios esperan la ejecuci\u00f3n de JS.<\/li>\n\n\n\n<li><strong>Restricciones de Robots.txt:<\/strong> L\u00edmites legales para rastreadores.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3.png\" alt=\"Una computadora con un escudo e iconos a su alrededor.\" class=\"wp-image-926517\" title=\"\" srcset=\"https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3.png 1024w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-600x600.png 600w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-150x150.png 150w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-768x768.png 768w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-12x12.png 12w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-75x75.png 75w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-120x120.png 120w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-24x24.png 24w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-48x48.png 48w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-96x96.png 96w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked3-300x300.png 300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Gu\u00eda paso a paso para evitar bloqueos<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Utilice un proxy confiable para el web scraping<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Usando un <a href=\"https:\/\/proxyelite.info\/es\/solutions\/proxies-for-web-scraping\/\" data-type=\"link\" data-id=\"https:\/\/proxyelite.info\/solutions\/proxies-for-web-scraping\/\"><strong>proxy para raspado web<\/strong> <\/a>Le ayuda a rotar direcciones IP, imitar usuarios reales y evitar la detecci\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tipo de proxy<\/th><th>Mejor caso de uso<\/th><th>Nivel de riesgo<\/th><th>Precio<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/proxyelite.info\/es\/types\/datacenter-proxies\/\" data-type=\"link\" data-id=\"https:\/\/proxyelite.info\/types\/datacenter-proxies\/\">Centro de datos<\/a><\/td><td>Raspado masivo, seguimiento de precios<\/td><td>Medio<\/td><td>$<\/td><\/tr><tr><td>Residencial<\/td><td>Contenido protegido por inicio de sesi\u00f3n<\/td><td>Bajo<\/td><td>$$<\/td><\/tr><tr><td>Giratorio<\/td><td>Raspado a gran escala<\/td><td>Muy bajo<\/td><td>$$$<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consejo:<\/strong> Para los datos p\u00fablicos, los servidores proxy de centros de datos rotativos suelen ofrecer el mejor equilibrio entre velocidad y costo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Respete la velocidad de rastreo y agregue retrasos<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Agregar <strong>1\u20133 segundos<\/strong> entre solicitudes.<\/li>\n\n\n\n<li>Usar <strong>retrasos aleatorios<\/strong> para evitar patrones.<\/li>\n\n\n\n<li>Respeto <code data-no-translation=\"\">Retry-After<\/code> encabezados.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Imita los encabezados de usuario reales<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Incluya encabezados como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code data-no-translation=\"\">User-Agent<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">Accept-Language<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">Referer<\/code><\/li>\n\n\n\n<li><code data-no-translation=\"\">Cookies<\/code> (opcional)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Simular el comportamiento de navegaci\u00f3n normal.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Rotar IP y agentes de usuario<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Utilice herramientas como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Middleware fragmentado<\/li>\n\n\n\n<li>Titiritero + grupo de proxy<\/li>\n\n\n\n<li>Planes de proxy rotativos de ProxyElite (<a href=\"https:\/\/proxyelite.info\/es\/types\/flexible-proxy-plan\/\" data-type=\"link\" data-id=\"https:\/\/proxyelite.info\/types\/flexible-proxy-plan\/\">enlace<\/a>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cada solicitud debe sentirse como si viniera de una persona diferente, en un lugar diferente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Utilice navegadores sin interfaz gr\u00e1fica si es necesario<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Algunas p\u00e1ginas cargan el contenido din\u00e1micamente. Usa herramientas como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dramaturgo<\/strong><\/li>\n\n\n\n<li><strong>Selenio<\/strong><\/li>\n\n\n\n<li><strong>Titiritero<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Agregue complementos ocultos para evadir la detecci\u00f3n de bots.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Verifique y siga el archivo Robots.txt<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Verificar siempre <code data-no-translation=\"\">robots.txt<\/code> Antes de raspar.<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code data-no-translation=\"\">User-agent: *\nDisallow: \/admin\/\nAllow: \/public\/<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Raspe \u00fanicamente lo que est\u00e1 expl\u00edcitamente permitido.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2.png\" alt=\"un hombre sentado frente a una computadora port\u00e1til\" class=\"wp-image-926516\" title=\"\" srcset=\"https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2.png 1024w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-600x600.png 600w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-150x150.png 150w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-768x768.png 768w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-12x12.png 12w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-75x75.png 75w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-120x120.png 120w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-24x24.png 24w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-48x48.png 48w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-96x96.png 96w, https:\/\/proxyelite.info\/wp-content\/uploads\/2025\/06\/How-to-Collect-Public-Data-from-Websites-Without-Getting-Blocked2-300x300.png 300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Consideraciones legales y \u00e9ticas<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solo recoger <strong>datos p\u00fablicos<\/strong>.<\/li>\n\n\n\n<li>Evitar <strong>limitaci\u00f3n de velocidad<\/strong> puntos finales protegidos.<\/li>\n\n\n\n<li>Agregar <strong>informaci\u00f3n de contacto<\/strong> en los encabezados si se est\u00e1 raspando para investigaci\u00f3n.<\/li>\n\n\n\n<li>Evite raspar <strong>datos personales o sensibles<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Tabla de resumen<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Consejo<\/th><th>Por qu\u00e9 funciona<\/th><\/tr><\/thead><tbody><tr><td>Utilice proxies rotativos<\/td><td>Previene prohibiciones de IP<\/td><\/tr><tr><td>A\u00f1adir retrasos en las solicitudes<\/td><td>Imita el comportamiento humano<\/td><\/tr><tr><td>Rotar encabezados<\/td><td>Evita la toma de huellas dactilares de bots<\/td><\/tr><tr><td>Seguir <code data-no-translation=\"\">robots.txt<\/code><\/td><td>Sigue raspando \u00e9tica y legalmente<\/td><\/tr><tr><td>Renderizar JS si es necesario<\/td><td>Ayuda a recopilar contenido completo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El scraping de sitios web p\u00fablicos es una herramienta poderosa, si se hace bien. La clave del \u00e9xito reside en integrarse. Un buen... <strong>proxy para raspado web<\/strong>, combinado con t\u00e1cticas inteligentes, garantiza que su proyecto no se interrumpa antes de comenzar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00bfNecesita un proxy s\u00f3lido y asequible para realizar raspado web?<br>\ud83d\udc49 <a href=\"https:\/\/proxyelite.info\/es\/prices\/\" data-type=\"link\" data-id=\"https:\/\/proxyelite.info\/prices\/\">Consulte los paquetes de centro de datos y proxy rotativo de ProxyElite<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Web scraping is essential for market research, SEO, e-commerce tracking, and more. But without precautions, your IP may get banned fast. Here\u2019s how to stay under the radar while collecting public data online \u2014 safely and effectively. Why Websites Block Scrapers Step-by-Step Guide to Avoid Blocks 1. Use a Reliable Proxy for Web Scraping Using [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":926515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-926514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/posts\/926514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/comments?post=926514"}],"version-history":[{"count":1,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/posts\/926514\/revisions"}],"predecessor-version":[{"id":926518,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/posts\/926514\/revisions\/926518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/media\/926515"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/media?parent=926514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/categories?post=926514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/es\/wp-json\/wp\/v2\/tags?post=926514"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}