# Theme best practices overview

> Shoplazza's best practices for building a theme, covering sections and blocks, performance, images, internationalization, accessibility, color, and asset tags.

To optimize your theme development experience, Shoplazza has established a set of best practices that you can refer to when developing your theme and setting up your toolchains and processes.

## Designing and coding a theme

To create an optimal customer experience, and to keep your merchants' stores fast, accessible, and discoverable, then you need to consider many factors. While building [Nova 2023](/docs/theme/developer-tools/nova-2023), Shoplazza developers identified principles and best practices that you can follow to design and build an optimized theme: