{"id":35905,"date":"2019-10-31T22:07:29","date_gmt":"2019-10-31T19:07:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-podgotovit-sajt-k-bolshim-nagruzkam-5-prakticheskih-sovetov-i-poleznye-instrumenty\/"},"modified":"2019-10-31T22:07:29","modified_gmt":"2019-10-31T19:07:29","slug":"kak-podgotovit-sajt-k-bolshim-nagruzkam-5-prakticheskih-sovetov-i-poleznye-instrumenty","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-podgotovit-sajt-k-bolshim-nagruzkam-5-prakticheskih-sovetov-i-poleznye-instrumenty","title":{"rendered":"Como preparar um site para grandes cargas: 5 dicas pr\u00e1ticas e ferramentas \u00fateis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/458796\/\"><img decoding=\"async\" alt=\"Como preparar um site para grandes cargas: 5 dicas pr\u00e1ticas e ferramentas \u00fateis\" src=\"\/wp-content\/uploads\/2019\/07\/ca400bfda560c76b26b807d3e41a9467.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p>Os usu\u00e1rios n\u00e3o gostam quando o recurso online desejado \"atraso\". Dados <noindex><a rel=\"nofollow\" href=\"http:\/\/conversionxl.com\/11-low-hanging-fruits-for-increasing-website-speed-and-conversions\/\">de pesquisas<\/a><\/noindex> mostram que 57% dos usu\u00e1rios deixar\u00e3o a p\u00e1gina da web se ela demorar mais de tr\u00eas segundos para carregar, enquanto 47% est\u00e3o dispostos a esperar apenas dois segundos. Um atraso de um segundo pode custar 7% das convers\u00f5es e 16% na satisfa\u00e7\u00e3o dos usu\u00e1rios.<\/p>\n<p>Portanto, \u00e9 necess\u00e1rio se preparar para o aumento da carga e os picos de tr\u00e1fego. E hoje vamos falar sobre como fazer isso.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><b>Nota<\/b>: o material \u00e9 voltado n\u00e3o para os gurus da administra\u00e7\u00e3o de sistemas, mas sim para propriet\u00e1rios de sites comerciais, portanto, tem um car\u00e1ter mais informativo.<\/p>\n<h2>1. Utilize cache<\/h2>\n<p>\nQuanto mais conte\u00fado no site puder ser armazenado em cache para n\u00e3o ser carregado cada vez que o usu\u00e1rio acessa a p\u00e1gina, melhor. Normalmente, uma parte significativa do conte\u00fado \u00e9 est\u00e1tica e simplesmente n\u00e3o precisa ser recarregada constantemente. O armazenamento em cache \u00e9 especialmente importante durante picos de tr\u00e1fego e pode n\u00e3o apenas ajudar a acelerar o site, mas tamb\u00e9m economizar.<\/p>\n<p>Se voc\u00ea tem um site simples, em um WordPress condicional, plugins de cache como <noindex><a rel=\"nofollow\" href=\"https:\/\/wordpress.org\/plugins\/cache-enabler\/\">Cache Enabler<\/a><\/noindex> ou <noindex><a rel=\"nofollow\" href=\"https:\/\/wordpress.org\/plugins\/cachify\/\">Cachify<\/a><\/noindex>.<\/p>\n<h2>2. Filtre apenas o tr\u00e1fego \u00fatil<\/h2>\n<p>\nDe acordo com <noindex><a rel=\"nofollow\" href=\"https:\/\/thenextweb.com\/security\/2019\/04\/17\/bots-drove-nearly-40-of-internet-traffic-last-year-and-the-naughty-ones-are-getting-smarter\/\">dados<\/a><\/noindex> De acordo com pesquisas, quase 40% do tr\u00e1fego total na internet moderna \u00e9 gerado por bots. Os bots podem ser bons \u2013 por exemplo, crawlers de mecanismos de busca \u2013 ou ruins. Entre os \u00faltimos est\u00e3o, por exemplo, v\u00e1rios parsers que analisam e extraem dados. <\/p>\n<p>No segmento de internet corporativa, a situa\u00e7\u00e3o \u00e9 ainda pior \u2013 aqui o volume de tr\u00e1fego de bots ruins pode <noindex><a rel=\"nofollow\" href=\"https:\/\/www.globenewswire.com\/news-release\/2019\/04\/17\/1805466\/0\/en\/Distil-Networks-Sixth-Annual-Bad-Bot-Report-Finds-Bad-Bot-Arms-Race-Rages-On.html\">exceder<\/a><\/noindex> 42%. Para as empresas, isso \u00e9 ruim por duas raz\u00f5es. Primeiro, bots ruins podem ser acionados pelos concorrentes para roubar conte\u00fado ou coletar dados importantes para o neg\u00f3cio; segundo, o tr\u00e1fego de bots cria uma carga significativa na infraestrutura.<\/p>\n<p>Eliminar o problema e reduzir a carga no site \u00e9 poss\u00edvel com sistemas de filtragem, mas para que funcionem corretamente, \u00e9 necess\u00e1rio calibr\u00e1-los individualmente para cada site. Para isso, o tr\u00e1fego de bots pode ser simulado. Uma excelente ferramenta para simular essa carga \u00e9 o uso de servi\u00e7os como <noindex><a rel=\"nofollow\" href=\"http:\/\/infatica.io\">Infatica<\/a><\/noindex>, que permitem alugar proxies residenciais.<\/p>\n<p>Muitos bots modernos usam IPs residenciais, o que significa que para um teste de qualidade ser\u00e1 necess\u00e1ria uma grande quantidade desses endere\u00e7os.<\/p>\n<h2>3. Balance a Carga<\/h2>\n<p>\nExplore as op\u00e7\u00f5es dispon\u00edveis de ferramentas para balanceamento de carga. Existem tr\u00eas tipos de solu\u00e7\u00f5es: balanceadores de carga baseados em hardware, em nuvem e software. <\/p>\n<p>\u00c9 muito prov\u00e1vel que as op\u00e7\u00f5es de hardware sejam bastante caras para pequenas empresas ou startups, portanto, vamos focar mais nas duas outras op\u00e7\u00f5es.<\/p>\n<p>Entre as ferramentas populares em nuvem, podemos citar <noindex><a rel=\"nofollow\" href=\"https:\/\/www.cloudflare.com\">Cloudflare<\/a><\/noindex> \u2013 frequentemente usadas por empresas que enfrentam problemas devido a picos de tr\u00e1fego. Em termos de software, podemos mencionar <noindex><a rel=\"nofollow\" href=\"https:\/\/neutrinoslb.github.io\/\">Neutrino<\/a><\/noindex>, com capacidades robustas de balanceamento de carga incorporadas no servidor web <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nginx.com\/\">Nginx<\/a><\/noindex>.<\/p>\n<h2>4. Otimize a Entrega de Conte\u00fado<\/h2>\n<p>\nOutra etapa que pode ser \u00fatil durante picos de atividade na rede \u00e9 o uso de uma CDN ou rede de entrega de conte\u00fado. Essencialmente, trata-se de um conjunto de servidores ao redor do mundo que podem ser usados para entregar conte\u00fado ao usu\u00e1rio pela rota mais otimizada.<\/p>\n<p>Normalmente, o conte\u00fado do site est\u00e1 localizado em um servidor principal em uma \u00fanica localiza\u00e7\u00e3o, portanto, quando solicita\u00e7\u00f5es s\u00e3o feitas de diferentes lugares, as respostas podem chegar aos usu\u00e1rios de forma desigual \u2013 fazendo parecer que h\u00e1 um atraso. Quanto mais longe o usu\u00e1rio estiver do servidor do site, mais tempo ele ter\u00e1 que esperar pela resposta.<\/p>\n<p>A CDN armazena arquivos em v\u00e1rios servidores e \"os obt\u00e9m\" para transmitir ao usu\u00e1rio a partir do servidor mais pr\u00f3ximo na rede. Isso permite criar uma rota de entrega personalizada para cada usu\u00e1rio e acelera significativamente o funcionamento de todo o sistema. <\/p>\n<p>De acordo com <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wpbeginner.com\/showcase\/best-wordpress-cdn-services\/\">link<\/a><\/noindex> \u00e9 poss\u00edvel encontrar uma lista completa de CDNs adequadas para uso com sites.<\/p>\n<h2>5. Utilize Compress\u00e3o<\/h2>\n<p>\nA compress\u00e3o de arquivos \u00e9 mais uma ferramenta para acelerar o carregamento do site. Muitos recursos com alta carga incluem <noindex><a rel=\"nofollow\" href=\"https:\/\/www.gzip.org\/\">compress\u00e3o Gzip<\/a><\/noindex> para reduzir o tamanho dos arquivos do site para seu download e envio.<\/p>\n<p>O Gzip funciona assim - a ferramenta busca por linhas repetidas em um arquivo e substitui a segunda delas por um ponteiro para a linha anterior. Quando o navegador descompacta o arquivo recebido, ele percorre as linhas, l\u00ea o ponteiro e exibe o conte\u00fado \"removido\". Dessa forma, \u00e9 poss\u00edvel reduzir o tamanho total dos arquivos em at\u00e9 70%. Alguns provedores de hospedagem incluem a compress\u00e3o Gzip por padr\u00e3o, mas \u00e9 melhor verificar essa configura\u00e7\u00e3o manualmente.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/458796\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043e\u0447\u0435\u043d\u044c \u043d\u0435 \u043b\u044e\u0431\u044f\u0442, \u043a\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u044b\u0439 \u0438\u043c \u043e\u043d\u043b\u0430\u0439\u043d-\u0440\u0435\u0441\u0443\u0440\u0441 \u00ab\u0442\u043e\u0440\u043c\u043e\u0437\u0438\u0442\u00bb. \u0414\u0430\u043d\u043d\u044b\u0435 \u043e\u043f\u0440\u043e\u0441\u043e\u0432 \u0433\u043e\u0432\u043e\u0440\u044f\u0442 \u043e \u0442\u043e\u043c, \u0447\u0442\u043e 57% \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043f\u043e\u043a\u0438\u043d\u0443\u0442 \u0432\u0435\u0431-\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443, \u0435\u0441\u043b\u0438 \u043e\u043d\u0430 \u0433\u0440\u0443\u0437\u0438\u0442\u0441\u044f \u0434\u043e\u043b\u044c\u0448\u0435 \u0442\u0440\u0435\u0445 \u0441\u0435\u043a\u0443\u043d\u0434, \u043f\u0440\u0438 \u044d\u0442\u043e\u043c 47% \u0433\u043e\u0442\u043e\u0432\u044b \u0436\u0434\u0430\u0442\u044c \u043b\u0438\u0448\u044c \u0434\u0432\u0435 \u0441\u0435\u043a\u0443\u043d\u0434\u044b. \u0417\u0430\u0434\u0435\u0440\u0436\u043a\u0430 \u0432 \u043e\u0434\u043d\u0443 \u0441\u0435\u043a\u0443\u043d\u0434\u0443 \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u043e\u0438\u0442\u044c 7% \u043a\u043e\u043d\u0432\u0435\u0440\u0441\u0438\u0438 \u0438 16% \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u0438 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043a \u0440\u043e\u0441\u0442\u0443 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0438 \u0432\u0441\u043f\u043b\u0435\u0441\u043a\u0430\u043c \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043d\u0443\u0436\u043d\u043e \u0433\u043e\u0442\u043e\u0432\u0438\u0442\u044c\u0441\u044f. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-35905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/kak-podgotovit-sajt-k-bolshim-nagruzkam-5-prakticheskih-sovetov-i-poleznye-instrumenty\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | 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