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Find answers, guides, and tutorials to supercharge your content delivery.

Getting Started

Setting up a CDN to work with your website is easy and can be done in just a few steps. The article How Does a CDN Work is a recommended read if you are not yet familiar with a content delivery network. Pull Zones are the most commonly used Zone Type…

How to Use FileZilla - A Quick Guide

What is FileZilla? FileZilla is an FTP (File Transfer Protocol) program that allows you to transfer data from one machine to another. This is extremely useful if you're a web develop for instance who needs to transfer the website they've been…

19 Popular SSH Commands

What is SSH? SSH stands for Secure Shell which is a network protocol that allows computers to securely communicate with one another. Even over insecure networks, SSH keeps communication encrypted and enables the safe transfer of data. SSH is…

9 Popular Nginx Commands You Should Know

Nginx is one of the most popular web servers in the world. So whether you're currently using it or not, chances are, if you're a web developer chances are you'll likely come in contact with it at some point. Therefore there are a few important Nginx…

Using GitHub Webhooks to Purge Cache

Let's say you're working on a web project and are making commits through GitHub that will update its look or functionality. If you're using a CDN such as KeyCDN, then you'll need to either purge the assets you've updated or purge the entire Zone so…

Complete Guide to Cross-Origin Resource Sharing (CORS)

In order to keep a website and its users secure from the security risks involved with sharing resources across multiple domains the use of CORS is recommended, but what is CORS? CORS, also known as Cross-Origin Resource Sharing, allows resources such…

Apache Modules for Improving Performance

As the most widely used web server on the planet, Apache is known for its flexibility and dependability. Administrators have a lot of freedom in customizing their servers thanks to the hundreds of Apache modules available online. However, Apache…

How to Reduce Server Load

If you work too hard, you'll eventually get tired, and your productivity will decline. Although computers are capable of working 24/7, they also slow down when pushed to their limits. Therefore, if your website is sending excessive requests to your…

Answering the Question - How Fast Is My Website?

Having a fast website is essential in today's online environment. If your website doesn't load fast you run the risk of visitors abandoning your site resulting in a high bounce rate and low conversions. But you might be asking yourself "how fast…

Extending the Availability of CanIUse

What is CanIUse? CanIUse is an extremely useful tool for quickly visualizing which frontend technologies are compatible with which browsers. You've likely seen us include various CanIUse support table screenshots in our blog. They help give readers a…

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