For e-commerce and online retail, revenue and web performance are inextricably linked. Delays, latency and downtime reduce conversions: Google estimates that every second of extra page load time over two seconds reduces conversions by 7%. It’s why many major brands rely on Varnish software to power their online grocery, clothing and cosmetics stores.

A microservice is an autonomous subset of a software system, often responsible for managing some of the data within that system. Together the microservices of a system form a microservice architecture: a dynamic array of semi-independent and loosely coupled computing processes. Microservices are a key part of all modern system infrastructures, enabling the simultaneous deployment of complex applications and workflows that simply aren’t achievable with traditional monolithic architectures. 

Welcome back to Two-Minute Tech Tuesday! In this week’s episode, we'll take a closer look at Ykey. Ykey is a Varnish Enterprise VMOD that performs tag-based invalidation.