AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.5" />

.NET API 385,536 bytes

 HTMLMetaElement

public sealed class HTMLMetaElement : HTMLElement
Represents the HTML meta element.
public string Content { get; set; }

Gets or sets the content attribute, with associated information.

public string HttpEquiv { get; set; }

Gets or sets the HTTP response header name.

public string Scheme { get; set; }

Gets or sets the select form of content.