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Google Updates NotebookLM User-Agent String to Google-GeminiNotebook

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TLDR

Google renamed its NotebookLM user-agent from Google-NotebookLM to Google-GeminiNotebook to align with the product's rebranding to Gemini Notebook.

Optimixed Overview

Optimixed's original report on this story.

SERoundtable reports that Google has updated the user-agent string for its NotebookLM crawler to Google-GeminiNotebook, following the product's rebrand to Gemini Notebook. Developers who hardcoded the old Google-NotebookLM value will need to swap it out to avoid potential bugs, though Google will continue supporting the legacy value through August 2026 for a smooth transition.

Topics:SEO News & Algorithm Updates
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