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Web Hosting with CloudFlare CDN and Railgun™

How CloudFlare increases the speed and security of your site

CloudFlare makes it easy for any site to be as fast and secure as the Internet giants.

NitroHost is excited to announce our partnership with CloudFlare, a premier web performance and security company. If you haven't heard about CloudFlare before, their value proposition is simple: they'll make any website twice as fast and protect it from a broad range of web threats.

Today, hundreds of thousands of websites - ranging from individual blogs to e-commerce sites to the websites of Fortune 500 companies to national governments - use CloudFlare to make their sites faster and more secure. They power more than 65 billion monthly page views - more than Amazon, Wikipedia, Twitter, Zynga, AOL, Apple, Bing, eBay, PayPal and Instagram combined - and over 25% of the Internet's population regularly passes through their network.

Faster web performance

CloudFlare is designed to take a great hosting platform like NitroHost's and make it even better.

They run over 100 data centers strategically located around the world. When you sign up for CloudFlare, they begin routing your traffic to the nearest data center.

CloudFlare Network Map

As your traffic passes through the data centers, they intelligently determine what parts of your website are static versus dynamic. The static portions are cached on their servers for a short period of time, typically less than 2 hours before they check to see if they've been updated. By automatically moving the static parts of your site closer to your visitors, the overall performance of your site improves significantly.

CloudFlare's intelligent caching system also means you save bandwidth, which means saving money, and decreases the load on our servers, which means your web application will run faster and more efficiently than ever. On average, CloudFlare customers see a 60% decrease in bandwidth usage, and a 65% decrease in total requests to their servers. The overall effect is that CloudFlare will typically cut the load time for pages on your site by 50% which means higher engagement and happier visitors.

Broad web security

Over the course of 2011, CloudFlare identified a 700% increase in the number of distributed denial of service attacks (DDoS) that they track on the Internet. As attacks like these increase, CloudFlare is stepping up to protect sites.

CloudFlare's security systems offer a broad range of protections (click here for more details) against attacks such as DDoS, hacking or spam submitted to a blog or comment form. What is powerful about their approach is that the system gets smarter the more sites that are part of the CloudFlare community. They analyze the traffic patterns of hundreds of millions of visitors in real time and adapt their security systems to ensure good traffic gets through and bad traffic is stopped.

In time, their goal is nothing short of making attacks against websites a relic of history. And, given their scale and the billions of different attacks they see and adapt to every year, they're well on our way to achieving that for sites on the CloudFlare network.

CloudFlare Railgun™

As a CloudFlare Optimized Partner, we are thrilled to offer the CloudFlare Railgun™ technology to all our customers for free! Railgun is CloudFlare's latest performance optimization technology that gives you significant improvements in site load times.

Railgun ensures that the connection between our network and the CloudFlare network is as fast as possible. Railgun achieves a 99.6% compression ratio for previously uncacheable web objects by using techniques similar to those used in the compression of high-quality video. The average website can expect a 1.43x performance increase.

When a request is made to a CloudFlare server for a web page that is not in cache CloudFlare makes an HTTP connection to the origin server to request the page. It's that HTTP connection that Railgun accelerates and secures.

CloudFlare WAN Connection

Even Highly Dynamic Websites Change Slowly

Railgun works by recognizing that uncacheable web pages do not change very rapidly. For example, during an experiment, the CNN.com homepage HTML was captured once, and then again after 5 minutes and then again after one hour. The page sizes were 92,516, five minutes later still 92,516 and one hour later 93,727.

CNN sets the caching on this page to 60 seconds. After one minute, it is necessary to download the entire page again. However, looking inside the page, not much has changed. In fact, the change between versions is on the order of 100s of bytes out of almost 100k.

Experiments at CloudFlare have revealed similar change values across the web. For example, reddit.com changes by about 2.15% over five minutes and 3.16% over an hour. The New York Times home page changes by about 0.6% over five minutes and 3% over an hour. BBC News changes by about 0.4% over five minutes and 2% over an hour.

Although the dynamic web is not cacheable, it is also not changing quickly. That means that from moment to moment there's only a small change between versions of a page. CloudFlare Railgun uses this fact to achieve very high rates of compression. This is very similar to how video compression looks for changes from frame to frame; Railgun looks for changes on a page from download to download.

Railgun Technology

Railgun consists of two components: the sender and the listener. The sender is installed at every CloudFlare data center around the world. The listener is a software component that NitroHost has installed on our network for customers.

The sender and listener establish a permanent TCP connection that's secured by TLS. This TCP connection is used for the Railgun protocol. It's an all binary multiplexing protocol that allows multiple HTTP requests to be run simultaneously and asynchronously across the link. Or in other words, a persistent connection is opened between CloudFlare's network and ours and eliminates the overhead of TCP.

CloudFlare Railgun

We have made it simple for our customers to get the benefits of Railgun with one click. For additional information and instructions on how to activate, see our CloudFlare/Railgun FAQs.

Signing up for CloudFlare and Railgun

Any website can deploy CloudFlare and Railgun, regardless of your underlying platform. By integrating closely with NitroHost's existing services, we make the process of setting up CloudFlare "1 click easy" through your existing NitroHost cPanel interface. Just look for the CloudFlare icon, choose the domain you want to enable, and click the orange cloud. That's it!

Enable CloudFlare

CloudFlare and Railgun are included FREE with all NitroHost web hosting plans. Moreover, CloudFlare never charge you for bandwidth or storage, therefore saving you money via reduced bandwidth costs. A free addition that speeds up your site and saves you money. What's not to love!

 

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