An Introduction to DNSSEC

DNS is a fundamental building block of the Internet. Its responsibility is to locate and translate domain names to its corresponding Internet Protocol Addresses (IPv4 and IPv6). Changes and adaptations in the industry have occurred over time; more top-level domains, registries, and registrars have come into existence, mankind witnessed the “Dot-Com” bubble,…

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The Key to Cache: An Intro to Varnish

We’ve published several articles on the topic of caching and its role in optimizing web performance in the past. In this article, we will focus specifically on varnish, which is an HTTP accelerator otherwise known as caching HTTP reverse proxy. What are HTTP Accelerators? HTTP accelerators use techniques such as…

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Amazon Search Outage Offers Two Lessons

Today’s Amazon search outage offers two object lessons on the digital customer experience: monitor everything and communicate proactively. Retailers chasing the industry leader can implement a pair of simple tactics to keep performance issues from turning away buyers. First, the ultimate goal of End-User Experience Monitoring (EUM) is to find…

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