Cloudflare: Speed and Security

What is Cloudflare? What is cloudflare for?

Cloudflare is a USA company that provides a network CDN for the delivery of information and provides services for the security of websites through the use of DNS (domain name servers), distributed according to the location of the visitor .


Cloudflare serves the function of accelerating websites by distributing information and content around the globe, delivering the fastest possible channels. Today, with 79 data centers /expanding /distributed worldwide, content can be guaranteed to be as close to the end user as possible.

Delivery speed

Cloudflare speeds up your website by distributing your content around the world and then delivering it through the fastest channels and best protocols. By using HTTP /2 with an SPDY support system, content can be delivered quickly to end users.

Using 79 data centers (and growing) around the world, Cloudflare can ensure that your content is never too far from your end user. Through Railgun, Cloudflare can eliminate costly delays caused by the speed of light when serving dynamic content.

Cache or caching of data

It is possible to configure the cache for the storage in Cloudflare of the objects and media resources, in order to return these to your clients with greater speed; you can purge and free the cache when you see fit, as well as use the "Dev" or developer mode so as not to hinder the development with data caching.

Resource minification

Through Cloudflare you can minify your HTML, CSS and JS resources , client-side information essential today for search engine positioning or SEO (according to the indications provided by Google Pagespeed Insights)



In addition to the average resource speed, it also provides firewalls for DDoS attacks, SQL injections, and XSS. On the other hand, if the use of your DNS is based on the proxy, you can bypass the reference IP of your original server, in order to protect it from port analysis by applications such as nMap.


It offers free SSL services, adding a security layer to your web system in 3 modes: Strict, flexible and full. The main difference is that in flexible mode it is not necessary for the original server to have an SSL certificate installed.

Online reports

In the Cloudflare dashboard you can observe the analysis of the list of threats, such as bots and malicious visitors.

Cloudflare provides both free and paid services, hence its popularity, facilitating an upgrade for developers at no cost. If you need help to configure Cloudflare in your web system, we can contact you