As a website owner, you want your website to be fast, efficient, and accessible to as many users as possible. One of the best ways to achieve this is by using HTTP caching headers. These headers tell web browsers and other HTTP clients how to cache and serve content from your website. This article highlights important information on HTTP caching headers and associated CDN behavior. In case you are looking for in-depth information on the role of HTTP cache headers in the modern web, here's everything you need to know. How caching works When a browser requests a file from a server, the server r ..read more

As a content delivery network (CDN) provider, we understand the importance of website security. One of the most popular content management systems (CMS) out there is WordPress, and unfortunately, it is also one of the most targeted platforms for cyber attacks. In this blog, we will be discussing the different security threats that WordPress websites face and how to fix them. WordPress is the most popular content management system (CMS) on the Internet today. There are around 810 million sites running on WordPress, and around half of those are hosted on the free WordPress.com site. The rest ar ..read more

As a web developer, you must be always on the lookout for ways to improve the performance of your applications. With the increasing demand for faster and more efficient web applications, optimizing PHP performance has become a critical aspect of web development. In this blog, we will explore some of the best practices and tips for improving PHP performance for web applications. The best tool for improving PHP performance isn't any individual program; it's knowing which problems to look for and how to address them. This guide will cover everything you need to know to ensure that your PHP appli ..read more

If your software applications can interact with each other smoothly and flawlessly, nobody but API or Application Programming Security is to be thanked. It is a foundational part of our modern software patterns, which include software patterns like microservices architectures. As the APIs are commonly used nowadays, and as they make sensitive data and software functions accessible, the attackers look at them as their main target. Looking at the importance of the APIs, one must ensure that they are well protected from any threat or attacks, and the process that helps achieve these security nor ..read more

When it comes to the world wide web, there are both bad bots and good bots. You definitely want to avoid bad bots as these consume your CDN bandwidth, take up server resources, and steal your content. On the other hand, good bots (also known as web crawlers) should be handled with care as they are a vital part of getting your content to index with search engines such as Google, Bing, and Yahoo. In this blog post, we will take a look at the top ten most popular web crawlers. What are web crawlers? Web crawlers are computer programs that browse the Internet methodically and automatedly. They ar ..read more

Single-page applications (SPAs) are a hot topic in the web development world. They're touted as the future of rich web experiences, and many developers have been quick to jump on board. However, if you're not careful, they can quickly become challenging to maintain - and even more importantly, it can be hard for users without JavaScript enabled to use your site. This blog post will discuss what single-page applications are and why they've become so popular, how SPAs work, their advantages and disadvantages, and finally, some guidelines about how best to create them. What is a single-page appl ..read more

If you've noticed problems on the horizon as your WordPress site has grown, you're experiencing problems related to popularity! We congratulate you on drawing and retaining visitors, but that popularity may be short-lived if any or all of the following apply to your site: Shamefully slow loading times that would frustrate the average user Errors getting thrown left and right by WordPress A cluttered Dashboard that you try to avoid looking at whenever possible No meaningful WordPress site optimization has been performed (yet) If any of these apply to you, all hope is not lost! You'll have to ..read more

If you are a freelancer, online business owner, or blogger, one of the most challenging things about running your blog, website, or other forms of content delivery is finding the right pictures and making sure they are free to use. Since high-quality images are the best way to optimize your conversion rates, you want eye-catching images, and that will boost engagement, but they have to be affordable and legal as well. In this article, you will learn what makes an image royalty-free, the different types of licenses to choose from, and how you can find the perfect picture for your needs in seco ..read more

Website migration refers to the process of moving your website from one hosting provider to another. It can be a challenging process with lots of potentials for things to go wrong, but it doesn't have to be. This article will go over the steps you need to take to migrate your website with minimal fuss or downtime. First, let's talk about why you might want to do such a thing: Introduction to website migration As time goes on, companies will change, technology will improve, and website hosting environments will become more secure, faster, and user-friendly. Eventually, you'll face the challeng ..read more

KeyCDN supports now country code based caching of your assets. Our edge servers derive the two-letter country code from the client IP address, that code is used for the cache key and forwarded to the origin server. Each time the client comes from a different country creates a dedicated cache entry. Why is country based caching useful? This is especially useful if your website should provide different content for countries, such as legal disclaimers. KeyCDN country based caching allows you to deliver different versions of your content that comply with legal requirements, depending on which cou ..read more