You can see the following dialogue box when you publish the files in Website
![aspwebsite3.gif](https://www.c-sharpcorner.com/UploadFile/kalisk/Asp-Net-website-vs-web-application-project/Images/aspwebsite3.gif)
If you select the precompiled option then you will find the precompiled folder in the published location there you find the multiple assemblies for each folder in the website.