If you're using Photoshop to create the design of a website, there should already be some paths that you're following -written or not-.
The Photoshop Etiquette Manifesto For Web Designers is a guide for standardizing this process with good practices.
The suggestions are collected under several categories:
external file organization
internal file organization
working with type
working with images
working with filters / before exporting
with titles like "use a grid", "don't stretch type", "store all assets relative to PSD" and much more.




