Operations | Monitoring | ITSM | DevOps | Cloud

Preloads are a powerful optimization technique that can make significant improvements to crucial performance metrics such as Core Web Vitals. I have written on prefetching a DNS lookup or even preconnecting to a domain. Preloading is a much more powerful extension of these concepts because it enables you to download entire resources in advance. In this article, let’s look at.

This article helps you understand DNS prefetching, one type of resource hint, including what they are, why and how to use them, and best practices for auditing and scaling them.

In this article, let’s take a look at preconnect resource hints — what they are, why and how to use them, and best practices for auditing and scaling them.

Since the beginning of the Internet, the speed of delivering content has been an issue. While processor enhancements, network acceleration, and web frameworks have brought drastic improvements to performance, the goalposts have continued to shift further away; devices operate on wireless connections with limited bandwidth, and the Internet is accessed from every corner of the globe.

Kentik Synthetics is all about proactive monitoring. With synthetic monitoring, you can investigate users’ digital experience by peeling back, layer by layer, exactly what’s going on in every aspect of the digital experience from the network layer all the way to application. Because synthetic tests can be so granular, the results provide different information than you can get from flows, streaming telemetry or other observability data.