Discover relevant knowledge articles through search engines by adding custom SEO tags for canonical URLs and hreflang tags to the knowledge article view page.

1. Navigate to System Definitions > Script Includes.
2. Search for SPSEOHeaderTagsArticleView.
3. In the Name column, click the SPSEOHeaderTagsArticleView link.
4. On the Script Include form, modify the functions for knowledge articles.

   Functionality	Implementation
   Return a canonical URL for a knowledge article	Modify the generateCanonicalURL function to return the fully qualified canonical URL of a knowledge article as a string. For example, use the following URL format for a knowledge article in the customer service portal: "https://<instance name>.servicenow-com/csp?id=kb_article_view&sysparm_article=<article number>"
   Return an hreflang tag for translated versions of a knowledge article	Modify the generateHrefLangArray function to return an hreflang array for the current language and the available translations for a knowledge article. For example, use the following format for a knowledge article translated in French in the customer service portal: [{locale:'fr', href: 'https://<instance name>.servicenow-com/csp/fr?id=kb_article_view&sysparm_article=<article number>'}]
   Return a custom header for a knowledge article	Modify the generateCustomTagsForSEO function to return any custom header tags as an array of strings used for the knowledge article view page. For example, use the following format for a custom tag for a knowledge article: ['<meta custom-tag="" property="og:title" content="Service Portal">']

   For more information about configuring script includes, see Script includes.

5. Click Update.