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¿Por qué necesita una CDN para su blog de WordPress? [Infografía]

Última actualización el por Editorial Staff | Revisado por: Syed Balkhi

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¿Se pregunta qué es una CDN o “red de distribución de contenidos” y por qué es importante para su sitio web?

Si desea acelerar su sitio de WordPress, una CDN es una herramienta muy valiosa. Entrega rápidamente contenido al usuario final en diferentes ubicaciones y mejora la experiencia del usuario.

En este artículo, le mostraremos por qué necesita una CDN para su blog de WordPress.

Why You Need a CDN for Your WordPress Blog

Infografía

What is a CDN and Why you need a CDN

Para saber qué es una CDN, basta con hacer clic en la imagen superior para ver la infografía. También puede seguir leyendo nuestro artículo para obtener más información.

Nota: Sólo para aclarar, un CDN es algo que se utiliza además de tener una cuenta de alojamiento web, ya que ayuda a acelerar las cosas.

Una CDN no sustituye a una cuenta de alojamiento web, ya que sigue siendo necesario tener un proveedor de alojamiento como SiteGround o Bluehost.

¿Qué es una CDN?

CDN es la abreviatura de Content Delivery Network (Red de Entrega de Contenidos), que es una red de servidores que entregan a los usuarios contenidos estáticos almacenados en caché de sitios web en función de la ubicación geográfica del usuario.

Si esto le parece abrumador, vamos a explicarlo con palabras más sencillas.

¿Cómo funciona una CDN?

Normalmente, cuando un usuario entra en tu blog de WordPress, su navegador descarga el sitio web desde el servidor de tu alojamiento web, como Bluehost, SiteGround o HostGator. El servidor de tu alojamiento web se encuentra en una ubicación física, por ejemplo, Houston, Texas.

Lo que esto significa es que cada usuario está accediendo a este único servidor en Texas para ver su sitio web WordPress. Ahora bien, si usted tiene un alto volumen de tráfico, entonces usted puede sobrecargar su servidor, lo que lleva a un sitio de carga lenta o incluso una caída del servidor.

Aquí es donde una CDN resulta útil. Una CDN es una red de servidores repartidos por todo el mundo. Cuando utilizas una CDN, tu contenido estático se almacena en caché en todos estos servidores.

How does a CDN work

El contenido estático incluye imágenes, hojas de estilos(archivos CSS), JavaScript, etc. Cuando un usuario visita su sitio web, la tecnología CDN lo redirige al servidor más cercano a su ubicación.

Por ejemplo, si su servidor principal está alojado en Houston (Texas) y alguien de Durham (Inglaterra) intenta acceder a él, será redirigido al servidor más cercano, que puede estar en Londres.

Esto limita el número de saltos de Internet necesarios para transmitir los archivos estáticos a su usuario final. Como el ordenador del usuario está más cerca del servidor CDN, los archivos se cargan más rápido.

Al tener su contenido disponible en múltiples servidores de todo el mundo, puede hacer que sus páginas se carguen más rápido desde la perspectiva del usuario. En pocas palabras, cuanto más cerca esté el servidor CDN del lugar donde se encuentra el usuario, más rápido recibirá el contenido.

Puede que te estés preguntando si merece la pena una CDN en tu sitio web. Veamos por qué lo necesitas para tu blog de WordPress.

¿Por qué necesita una CDN para su blog de WordPress?

Disponer de una CDN puede repercutir en el rendimiento de su sitio web y mejorar la experiencia del usuario. Estas son algunas de las ventajas de utilizar una CDN:

  • Velocidad – Una CDN ayuda a mejorar el tiempo de carga de la página de su sitio y a hacerlo más rápido.
  • Resistencia a las caídas – El uso de una CDN permite distribuir la carga entre varios servidores en lugar de tener el 100% del tráfico en nuestro servidor principal, lo que hace menos probable que se produzcan caídas.
  • Mejora de la experiencia del usuario – Con una CDN que haga su sitio web más rápido, notará una disminución de la tasa de rebote en su sitio. También aumenta el número de páginas vistas por cada usuario. Está claro que un sitio rápido mejora la experiencia del usuario.
  • Mejora en SEO – Google ha declarado que los sitios más rápidos tienden a posicionarse mejor en los motores de búsqueda. Una CDN puede mejorar el SEO de tu WordPress y ayudarte a conseguir un mejor posicionamiento por palabras clave.

¿Cuál es la mejor CDN para WordPress?

Hay muchos servicios de CDN para WordPress en el mercado. Recomendamos Bunny. net como el mejor proveedor de CDN que utiliza para su sitio web WordPress. Tienen servidores repartidos por todo el mundo y ofrecen planes de precios asequibles.

Si busca un servicio de CDN que también ofrezca características de seguridad, le sugerimos que utilice Cloudflare. Ofrecen un potente cortafuegos y CDN de WordPress para proteger tu sitio de diferentes amenazas a la vez que garantizan tiempos de carga rápidos.

Sucuri es otra gran opción para una CDN que ofrece características de seguridad. Sin embargo, puede que quieras leer esta entrada sobre las razones por las que WPBeginner cambió de Sucuri a Cloudflare.

Guías de expertos relacionadas con el rendimiento de WordPress

Ahora que ya sabe cómo una CDN puede acelerar su sitio web, quizá desee consultar otras guías relacionadas con el rendimiento de WordPress:

Esperamos que este artículo te haya ayudado a saber por qué necesitas una CDN para tu blog de WordPress. También te puede interesar nuestra guía sobre cómo conseguir un certificado SSL gratuito para tu sitio web en WordPress y nuestra selección de los mejores plugins de WordPress para sitios web de empresas.

If you liked this article, then please subscribe to our YouTube Channel for WordPress video tutorials. You can also find us on Twitter and Facebook.

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Editorial Staff at WPBeginner is a team of WordPress experts led by Syed Balkhi with over 16 years of experience in WordPress, Web Hosting, eCommerce, SEO, and Marketing. Started in 2009, WPBeginner is now the largest free WordPress resource site in the industry and is often referred to as the Wikipedia for WordPress.

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Reader Interactions

99 comentariosDeja una respuesta

  1. Syed Balkhi says

    Hey WPBeginner readers,
    Did you know you can win exciting prizes by commenting on WPBeginner?
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  2. Kam says

    Thanks for this helpful article.

    I am with Bluehost and recently I selected CDN and noticed that my website was loading much faster. But, some users could not access my website as the following message came up:

    ERR_SSL_UNRECOGNIZED_NAME_ALERT

    I got Bluehost to revert back to my original setting. Is their a way around this?

    Responder

    • WPBeginner Support says

      You would want to reach out to BlueHost’s support and they should be able to assist.

      Responder

      Administrador

  6. Jim Boult says

    Thank you for clarifying the purpose of a CDN. A very straightforward and easy to understand explanation. wpbeginner is a great resource and I’m starting to appreciate your value to the WordPress community!

    Responder

  7. Gagan says

    Can you please compare some Free CDN service for low traffic site which can’t afford services like MAX CDN. Cloudflare, Incapsula and Amazon are offering free cdn but don’t know which one to choose.

    Responder

  8. Erwin says

    Thanks for interesting post.
    If I understand it correctly CDN is useful for websites with international orientation, but not for websites with a national user base. I am located in the Netherlands (small country), and my website is focusing on people in the Netherlands. Am I correct that CDN is not going to improve loading speed for my customers?

    Responder

  11. Kawsar says

    If you expect to get 2/3 k user maximum per day you never need CDN. It do not improve any performance . just choose a good hosting and fast theme.

    Responder

  12. Swati says

    Thank’s for this article .it was easy to understand. I just wanna know how much does it cost .the basic price. I am from India.

    Responder

  14. Weedney Desmornes says

    I have a MacBook Air and I do not want to overload it with files and downloads because the MacBook Air is not designed for that. Is there any way I can begin a website without overloading my computer?

    Responder

  15. Ishaan Mehta says

    hey..i wanna use cloudflare..
    but they require to changes nameservers..will it cause any problems to d original hosting if i point domain nameserver details to cloudflare, n not to hostgator? or it will just work out automatically..? i m using wordpress 4.4.2 btw..plz reply..i need ur help! :-)

    Responder

  16. Krishnandu Sarkar says

    Can I increase Default Cache Time to 12 month in MaxCDN? As the images, css, js that I have will never change. Yes I may add more images as I add more posts. But existing ones will be same as usual forever.

    Responder

  18. shailaja says

    I registered cloudflare cdn to my . but all static files are not hosting by cloudflare. why any cloudflare settings is require.

    Responder

    • Fritz says

      Fatt Kay, CloudFlare is free.

      To WPBeginner: “Why You Need a CDN for your WordPress Blog” is not a question and should not have a question mark. “What the heck is a CDN” is a question and should have a question mark. Nit-picky? Maybe, but mistakes like this are jarring to some of us, and detract from the value of your content. :-)

      Responder

  20. Germain says

    so i think i going to singup with justhost.com and i saw that them had a global cdn my question is if anyone know if that service its automatically activated or not?

    Responder

  22. Alex Mega says

    How much total bandwidth would you recommend to purchase? Where could I find out how much bandwidth we go through on a regular basis. I mean traffic wise I’m sure it depends on location of users. So as a company that may see 100,000 page views/50k visitors or more a month is 100GB of bandwidth enough?

    Responder

  23. Lazy Sapper says

    I have been using Cloudflare for CDN. But unfortunately, I don’t see decline in the consumption of CPU resources.

    Responder

  24. Syed Balkhi says

    Just updated the article.

    To answer your question: No CDN does not replace a hosting account. It works with your hosting provider to balance the load and speed things up. You still need a web hosting provider.

    Responder

  26. Naval says

    What do you think about this cdn speed test tool at spooster.com? Should I follow their recommendation if I choose to go for a free solution?

    Responder

  27. Mark says

    I would recommend going with high quality hosting with your own static IP address and reliable hosting/page refresh rates before using CDN.

    It’s my understanding that Google ranks sites based on their geographic targeting. Google seems to be focused on providing the best rankings for the smaller businesses in their local markets. This also improves Google’s advertising revenue by having many more sites competing for the same category advertising keywords.

    Larger companies are able to have multiple websites in multiple geographical locations and can more easily globally dominate ranking categories.

    It’s not clear to me that CDN provides a valuable multiple geographical location presence?

    Please comment on how CDN would improve say… your UK search engine ranking (UK visitor traffic) for example if your geographic target was the US?

    Thanks.

    Responder

  28. William V. says

    Great overview on what a CDN is and how it works.

    I just wanted to add one note… CDNs don’t only accelerate the delivery of static content, but also dynamic content (any content generated in real time by the origin server— e.g. applications) as well. Dynamic content is not cachable, but CDNs can speed up the request and returns from the server through a series of proxy servers/nodes strategically placed around the world… basically creating a more direct route for the data packets to travel through. Traditional internet protocols require that data packets travel through more connecting points, which delays the arrival of data packets… making it slower to load on the client.

    Cheers,

    Responder

    • Ryan Williams says

      Not sure this is right. I’ve conducted tests with every major CDN out there, and in all cases it’s significantly slower accessing uncacheable dynamic pages rather than just going to the origin server directly.

      However, it is true that dynamic pages can too benefit from a CDN. The key is to use a CDN that allows almost instant purging, so you have it cache everything and then your application can send a ‘purge’ request to the CDN when it knows an update has occurred (e.g. new post or comment). Of course, this requires specific integration.

      Responder

      • Sander says

        Actually, if the majority of the page is loaded via CDN content, and the dynamic part of the page is loaded via AJAX, a CDN could considerably increase the speed of a true dynamic page. Obviously, after the page is loaded, a CDN would not help increase the speed of the next AJAX load. But to an uninformed user, the feel of the website would be generally quicker with a CDN than without a CDN.

        Responder

    • WPBeginner Support says

      We will probably do a comparison in some article. However, we would still recommend MaxCDN. Installing jetpack in self-hosted WordPress requires you to connect your WordPress site to WordPress.com and many users don’t want to do that. Also Photon just serves images it calls itself image acceleration and editing service, not a CDN.

      Responder

      Administrador

  30. Hemant Aggarwal says

    Your website was down because of HostGator’s server issue. Does any CDN provides caching of web pages too?

    Responder

  31. Alan says

    Hi, can you tell me if the servers all over the globe have static pages and you update a static page, how long does it take for the servers to update that page? Can you force and update of static pages, and how do you do that? Thanks

    Responder

  32. Forever Long says

    Hello,

    I can see this blog entry is a few months old now, however I have just completed building a site on Wix and its sole purpose is e-commerce hopefully on a global scale. Problem is however we have noticed for a while that the website was sluggish during building and still is after going premium and adding more bandwidth. Can MaxCDN solve our problems? Wix only ever gives out canned responses such as “you must compress images” and “please disable the auto rotate function from your slideshow” this is aggravating to say the least. this is the website in question

    would be really grateful for your thoughts and assistance i’ve spoke to MaxCDN and they said they can help, however you never know whether its a sales pitch?

    Responder

    • Jen Street says

      I have created a few sites using Wix, including my own portfolio site. I offer it to clients who want a very simple site with few updates that is cheap. I plan on moving my own site to WordPress. After learning to create in WP, although with each theme it’s like having to relearn how that specific theme operates, I highly recommend WordPress and find it to be my preferred platform to develop websites from.

      Responder

  33. David says

    Just wondering, can your use two CDNs at once, like MAXCDN and Cloudflare?, what are the consequences? is it feasible?

    Responder

  35. TechZoomOrg says

    Hi. I am using CloudFlare & WP Total Cache. Now, can we still get maxCDN working for the same site? Will it make a significant difference?

    What would you differentiate & suggest for people using CloudFlare for their WP sites.

    Eager to explore more. Thanks :)

    Responder

    • wpbeginner says

      @TechZoomOrg If you are using CloudFlare then you don’t really need MaxCDN. From our understanding it is an either / or solution.

      Responder

      • Raulnayak says

         @wpbeginner  Actually,Cloudflare doesnt affect the website as much as MaxCDN, I would recommend that you use both MaxCDN as well as cloudflare and it will be very fast!!

        Responder

  37. wpbeginner says

    @kath.gamboa First of all the idea is that CDN service will not go down because they have so many datacenters across the globe. But lets imagine the worst and say that if it does go down, then all you have to do is go into your W3 Total Cache plugin, and turn off CDN for that time. All of your content will then be served directly from your server.

    Remember, you never upload any content directly to the CDN servers. You always upload it to your web hosting server, and CDN simply mirrors it.

    Responder

  38. kath.gamboa says

    What happens when the CDN service goes down? Does that mean that the website’s static content will be inaccessible as well? If yes, are there ways to revive the website when the CDN service goes down?

    Responder

  39. PeterApalais says

    Okay how does it work. I am with hostgaor. I want faster page loads etc. I personally live in Australia. So there is is delay because of that huge big distance the information has to travel. Okay for someone who lives next to the server in the USA, but not ideal for here in OZ.

    1. Does MaxCDN have a server here in Australia?

    2. What about Amazon S3, do they have a server in Australia?

    3. Does anyone?

    4. Does the CDN have copies off everything that is on my website. So like the HTML files as well? If so, maybe a work around for me would be to get a web host based here in Australia. This will allow fast loading here, then use the CDN for the rest of the world.

    5. So I guess, if I am browsing from the England, will it pull everything from the England server, and nothing from the hostgator server back in the US??

    Peter

    Responder

    • Raulnayak says

       @PeterApalais I think yes,its der In sydney or its being planned.. See here, http://www.maxcdn.com/features/network/  .. I would recommend MaxCDN because they charge on pay-as-you go basis i.e as $ 40 per 1TB of data… Amazon is costly. It mirrors the whole website and creates cache or the websites so in the event that the server is down,the website doesnt go offline.. I personally use it for my http://www.allcancook.com

      Responder

  41. wpbeginner says

    @AstroGremlin Doesn’t matter how big the site is, CDNs will help regardless. But if the small site is your personal site, then it is probably not worth you having the CDN.

    Responder

    • Raulnayak says

       @wpbeginner Actually,the best part of MaxCDN is that it doent matter how big or small your website is, It has a wonderful pay-as-you go plan where you have to renew only when you are done using the 1 TB you bought.. So if the 1 Tb doesnt get used up even after 2 years, its fine,the plan will go on… 

      Responder

  42. AstroGremlin says

    I notice that the rate one pays depends on volume (which seems very fair). But how can I tell how many gigs my blog is serving up? Also, does CDN makes sense for a really low traffic site?

    On caching: I tried W3 but it was causing conflicts. I switched to Supercache and haven’t looked back.

    Responder

  44. Peter says

    Hi,

    I have a question, is there any alternative plugin to use with WordPress and MaxCDN other than w3totalcache ?

    w3totalcache is causing some memory problems on my VPS server ?

    Responder

    • Jason H says

      WP-Super Cache is a bit simpler to use that W3 Total Cache and has a tab to configure Origin-Pull CDNs. Otherwise, you can use another plugin in conjunction for Push CDNs but I would recommend Origin-Pull be a requirement of the CDN you go with.

      Responder

  45. Bob says

    I on a bluehost shared server and was thinking about paying extra for a static ip address – would a static ip address increase my website speed?

    But now reading this I wonder if I should bypass the static ip address and just go for a CDN solution instead?

    I have done all the minifying, caching, etc, so did assume the next step was a static ip address. But perhaps it is really a cdn solution that I need?

    Responder

  49. Peter says

    Hi,

    Could please provide some more info about those two cases:

    Improved User Experience – Since we started using a CDN, we have noticed a decline in bounce rate on our site. Furthermore, we have also seen increased in pageviews and numbers of pages viewed by each user. So clearly a fast site means improved user experience.

    Improvement in SEO – Google has clearly stated that faster sites tend to rank higher in Search Engines. We have noticed our site ranking higher once we did the optimization on our site.

    Something more, like how your counce rate and pageviews changed ?

    SEO in Google, how fast can you see something changes, by traffic monitoring or how come ?

    Tnx , I am happy CDN user from yesterday with your coupon as well.

    Responder

    • Editorial Staff says

      When we optimized our site for speed, the site went about 240% faster. We saw a huge decline in bounce rate as people were not just exiting on the first page. They were going to other pages as well which means increase in pageviews. Clearly the user experience must have been improved by the faster site. Because we did not change the placement of related links or anything. Those were there before and after.

      In terms of google, it has been stated that the faster your site is, the more pages will get indexed per day.

      Responder

      Administrador

      • Peter says

        Tnx for fast response to my comment.

        After implemnting CDN to my sites the onlu problem that i have is i cannot test how much faster it goes now.

        Pingdom is not working now, YSlow in Firefox also stops to work.

        How you test your site if i may know.

        Tnx

        Responder

        • Peter says

          Hi,

          Ok, listen to my horror story.

          After implemnting some CDN to my couple of WordPress websites, what i mean implement, delete old cache systems on those sites and installed W3 Total Cache plugins.

          I setup evrything as it should be and go to sleep.

          Now from this morning i have big problems with my VPS server.

          Don’t know what is going on but my CPU is from time to time (short period of time) goes like 100% , memory is bigger & bigger, swap is starting to work… tasks are going from normal about 60 to 100 or even more.

          Anyway i am fighting with this one almost 10 hours without sucess. I reboot server, soft&hard and make many stuff but nothing seems to work.

          In past server was not doing nothing almost , now it is extreme busy.

          I think this is too much for me and i need to find WordPress+Linux pro who will help me with that problem.

          Cheers

        • Gigi says

          Delete w3totalcache and try w-supercache, i have deleted w3 and with wpsupercache my site is loading more fast.

  50. Rich Kent says

    Hmm. Still haven’t received an activation email. I did receive an email asking how I like the service – replied to that saying I’m still not setup, and haven’t heard anything back. I’m starting to think I made a mistake signing up with MaxCDN. I’ve sent 2 more emails, and tried to text chat, but that timed out and I got a ‘send an email’ message. :(

    Responder

    • Rich says

      Just FYI – Got in touch on Monday and worked it out. I’m very happy with my sites performance now that I have it working. MaxCDN = good!

      I should note that I’m not using this on my site (under my signature) – at least not yet – so don’t let that be the judge of speed. I’m using the CDN on other sites that actually get high volume. :)

      They could use a bit of work on CS, but maybe just caught them at a bad time. The network itself appears to be good enough that it’s worth it either way.

      Responder

  51. Tim says

    This is not something are new blogger would need to worry about for a while though right. Even if someone does load it in England, if there is not much content does it matter?

    Thanks,

    TJ

    Responder

    • Editorial Staff says

      No matter how big your site is, CDN will almost always speed up the site. However, keeping server load down is not something that new sites have to worry about, so in that aspect (You don’t need it). But in other aspects, CDN will help you. We never launch any site without utilizing CDN from Day 1.

      Responder

      Administrador

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