Section Blog - Empowering Developers at the Edge

Top Security Threats to Ecommerce Websites

In the past few years it’s seemed like there has been a new widespread security breach every other week. High profile incidents such as Heartbleed and WannaCry and hacks of notable entities including Sony Pictures and the Democratic National Committee have brought cyber security to the front of people’s minds. The magnitude of Distributed Denial of Service (DDoS) attacks has risen with the increased number of devices connecting to the internet, and as more of the population engages with these devices the risk of sensitive information being taken advantage of continues to rise.

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What is a Varnish Cache Hit for Pass?

When using Varnish Cache one of the most important things you need to understand is how and why various requests get labelled as they do. A “cache hit” and “cache miss” are easily understood - a cache hit is a request which is successfully served from the cache, and a cache miss is a request that goes through the cache but finds an empty cache and therefore has to be fetched from the origin.

Read More Adds Load Balancing to Edge PaaS

We’re pleased to release a new feature on the platform: Load Balancing for your origin servers. Even with a content delivery solution such as and caching in place, websites still need to make sure their origin servers are available for crucial tasks such as generating user-specific content and going through a checkout process.

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Announcing Synth - Ongoing Website Performance Monitoring is committed to giving our users a full suite of DevOps-friendly monitoring and measurement tools that enables them to easily tune their content delivery without relying on external tools. Now we’re excited to announce we’ve launched Synth, an ongoing monitoring tool available to anyone. The best part? It’s free for everyone, and will stay that way forever.

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What is SpeedIndex and How Should I Use It?

One of the trickiest parts of understanding how fast your website loads for users is knowing which metric to use. The natural inclination would be to measure how long it takes the entire page to load. Others would argue that you should instead look at how long before something appears visually on the page. Or should we instead focus on Time to First Byte because Google cares about it enough to factor it into your Search Engine Results Page?

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How to Improve Magento Performance with Varnish Cache

Magento is a popular ecommerce platform, but it can be slow to load, especially for stores with large databases of products. In their release of Magento 2, Magento has looked to improve performance by creating a system that can be easily integrated with Varnish Cache, a powerful HTTP accelerator and reverse proxy. As more ecommerce shops move to Magento, we’re hearing more questions about how exactly Magento 2 and Varnish Cache work together and how to troubleshoot common Magento-Varnish Cache issues.

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Webinar - How Website Performance Impacts Conversions

Join CEO Stewart McGrath on May 23rd at 1pm ET as he leads a webinar on the importance of website performance for ecommerce and media sites. This interactive session will give viewers solid takeaways on why website speed and scalability are important and how to start improving the performance of their own websites through both

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Web Application Firewalls and the Future of Website Security

Web application firewalls have been around for over 20 years, but recent advancements in how they block bad traffic and are managed by development teams encouraged us to take a look at the history of firewalls, WAFs, and where website security is heading.

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What is Cache Warming?

At we are occasionally asked if users should implement cache warming to increase the likelihood that their visitors will be served content from the cache and as a result speed up page load times. In this blog we want to go over the concept of a warm cache vs a cold cache and the benefits and downsides of warming your cache for visitors.

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The Manifesto

In 2005 Linus Torvalds, the creator of Linux, began working on a version control system that would soon revolutionize the way developers collaborated. Realizing that proprietary source control management systems were not sufficient to achieve what Torvalds needed, he decided to design his own that would meet his needs.

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