How does internal linking strategy affect AI crawling and indexing?

Internal link architecture is one of the most under-attended technical components of AI-era content programs. Done well, it tells both Google and the AI engines which pages on the site are canonical for which topics, how the topical coverage is organized, and which supporting pages provide depth on each pillar. The signals matter for citation: an engine deciding which page to quote on a topic weights internal authority alongside external authority, and a pillar page with strong internal linking from related supporting content reads as the canonical answer for its topic on that domain. Done poorly – tangled link patterns, no clear topical hierarchy, important content orphaned – the same content is harder for the engines to identify as authoritative. The fix is editorial, not technical: clean internal linking that reflects the actual topical structure of the content.