CDN

Correlating JavaScript Errors with Slow CDN Performance

JavaScript Errors can happen for many different reasons: special behavior of certain browsers that weren’t tested; a real coding mistake that slipped through the delivery pipeline; poorly handled timeouts, and I am sure the list goes on. In this blog we discuss yet a different reason which was brought to my attention by Gerald Madlsperger, one of our long term Dynatrace AppMon super users: A CDN server issue resulting in … read more

Mobile wins the digital stakes on Melbourne Cup day

It’s the race that stops Australia. TAB claims they handle 3000 transactions per second at the peak of the betting splurge – across desktop and mobiles in all parts of the country. You can imagine, preparing for peak digital performance is a major priority for all betting agencies at this time of year. Let’s do some testing and see what we find As usual, my interest in how digital businesses … read more

Welcome to the Show of CDN Monitoring: Act3 – Things going Wrong

In my first 2 blogs Act 1 – The What and Why  and Act2 – The How and How Not I covered the main benefits of CDNs and what type of tools are needed to monitor them. Today I want to go into some details of why you need to consider monitoring them in the first place. Let’s face it: if things work well enough, why worry about monitoring them? … read more

Welcome to the Show of CDN Monitoring: Act 2- How and How Not to Monitor CDNs

In my first blog Act 1 – The What and Why I talked about the benefits and some risks around using a Content Delivery Network (CDN). Today I will cover some details around some common misunderstandings regarding how to monitor CDNs and explain the right monitoring strategy. Which monitoring options do you have? In order to manage any complex system you need quality data as quickly as possible. All the … read more

Welcome to the Show of Content Delivery Networks: Act 1 – The What and Why

“Step right in. You will witness a show of magic and wonders, passion and trust, speed and misunderstandings.” a (slightly altered) catch phrase that keeps popping in my head when talking to companies in regards to managing Content Delivery Networks (CDN). Apart from the misconception that a CDN will solve all performance problems one of the great unknowns seems to be how to actually monitor CDNs the right way. And … read more

5 Steps to Improve E-Commerce Performance for Increased Sales: Network Performance

This is the third episode of the mini-series on e-commerce performance management. Our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats, did not achieve the expected sales increase with its new e-commerce site. It offered its customers the ability to customize and order hats online instead of visiting its brick and mortar locations, but customers seemed disinterested. TescaraHats learned quickly that there is much more to an e-commerce platform than simply putting an e-commerce service online.
In previous posts we showed that increasing page rank is not the only way to boost sales and that checking and improving backend performance of your e-commerce is also critical. In this episode we show why it you should not keep network load and HTTP errors in check. … read more

Website Performance: Designing a Test Strategy to Evaluate CDN Performance

Moving static content to a CDN (Content Delivery Network) is a proven and relatively simple way to improve perceived website performance. By using a CDN to cache data on servers near the “edge” of the internet, you will not only enable faster access for the user, but also reduce your data center requirements. The easiest and least expensive content to move to the edge is static data – images and text files that change infrequently. But how do you decide which CDN to use? … read more

The Application Performance Impact of Third-party Web Components

The application is what the user sees, not what the developer creates. There is an entire chain of events that occurs between the application behind your firewall and the browser (what the customer sees), called the application delivery chain. While it is important to understand the dependencies along the entire chain, you need to understand how your choice of hosts and services impacts the user. … read more