DuckDuckGo Search Guidelines Search Engine Guidelines

These guidelines outline the quality standards for website inclusion in DuckDuckGo search results.

• DuckDuckGo Search Guidelines

Rules

• Pages need a title element
• Pages must not have a blank title
• Keyword stuffed alt text
• Provide an HTML site map
• Provide an XML sitemap
• Search bots cannot follow javascript: URLs
• No meta description tag
• Meta description same as the page title
• Page has no h1 element
• Hidden single pixel links may be penalized
• Invisible text may be penalized
• Bad neighborhood keyword found
• Page title is not unique
• Soft 404 for missing pages