AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.7" />

 IResourceLoader

public interface IResourceLoader
Interface used to handle resource requests for a document. These requests include, but are not limited to, media, script and styling resources.
using System.Threading; using System.Threading.Tasks; namespace AngleSharp.Network { public interface IResourceLoader { Task<IResponse> LoadAsync(ResourceRequest request, CancellationToken cancel); } }