使用 RobotsTxtCore 建立 robot.txt & sitemap.xml

Nuget Link

透過 nuget 安裝 RobotsTxtCore

>dotnet add package RobotsTxtCore --version 1.1.0

//Startup.cs 
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
  ... 
  app.UseRobotsTxt(builder =>builder
  .AddSection(section => 
    section
      .AddComment("Allow Googlebot")
      .AddUserAgent("Googlebot")
      .AddUserAgent("Googlebot-News")
      .AddUserAgent("Googlebot-Image")
      .AddUserAgent("Googlebot-Mobile")
      .AddUserAgent("Googlebot-Video")
      .AddUserAgent("Mediapartners-Google")
      .AddUserAgent("Adsbot-Google")
      .Allow("/")
  )
  .AddSection(section => 
    section
      .AddComment("Disallow the rest")
      .AddUserAgent("*")
      .AddCrawlDelay(TimeSpan.FromSeconds(10))
      .Disallow("/")
  )
  .AddSitemap("https://${domain}/sitemap.xml")
  );
}