Google's podcast explains how PDFs get indexed and ranked in Search and AI Mode
gaganghotra_ · x · 2026-10-14
Google's Martin Splitt and John Mueller released a Search Off the Record podcast, PDFs in Search: Indexing, AI & Pitfalls, covering how Google converts PDFs to HTML for indexing, extracts images and links, handles crawling limits and file-size cut-offs, and whether PDFs rank in Search, AI Overviews, and AI Mode.
It also digs into whether an LLMs.txt can be a PDF, plain text vs. binary containers, when publishing a PDF makes sense, and technical pitfalls like rasterized pages, scans, and accessibility. A primary-source guide for anyone whose content strategy still leans on PDFs in the AI search era.
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