Microsoft Copilot and Bing Chat: How Do You Get Cited?

🇫🇷 Version française

Every GEO playbook talks about ChatGPT and Perplexity. Almost none mention Copilot — yet it's baked into Windows, Edge, and Microsoft 365, reaching a captive audience that never had to "choose" to use it. And it works differently on one key point: it leans heavily on the classic Bing search index.

Copilot isn't a standalone engine that invents answers in a vacuum. For its search-grounded features, it combines a language model with results pulled from the Bing index — the same index Bing.com uses for its classic search engine. In practice: if your site is poorly indexed on Bing, it starts at a structural disadvantage in Copilot, even if it ranks perfectly on Google or is already cited by ChatGPT.

Why does Copilot deserve separate attention?

Three reasons explain why ignoring Copilot is a mistake, even though its search volume still trails Google's:

• Forced distribution — Copilot is built into Windows 11, the Edge address bar, and the Microsoft 365 suite. Tens of millions of users are exposed to it without installing anything.
• A captive professional audience — businesses already using Outlook, Word, or Teams find Copilot right inside their daily tools, with zero change in habit required.
• An architecture different from ChatGPT's — Copilot doesn't rely solely on its own search crawlers, but also on Bing's search infrastructure, which has been operating for years.

What does Copilot actually rely on to answer?

When a user asks a question that needs recent or factual information, Copilot triggers a search that draws on the Bing index, then synthesizes the results with the language model. That mechanism is why sites highly visible in ChatGPT can still be absent from Copilot's answers: their content was simply never properly indexed by Bing.

Often overlooked: most businesses set up Google Search Console but never open a Bing Webmaster Tools account. The result: their sitemap is never submitted to Bing, and indexing depends solely on spontaneous crawling — slower and far less complete.

The bots worth knowing

Just like with other AI engines, an overly restrictive robots.txt or a firewall blocking Bingbot is enough to remove your site from the equation, regardless of content quality.

What to check, concretely

1. Test your indexing by searching site:your-domain.com directly on bing.com. Few or no results is an immediate red flag.
2. Create a Bing Webmaster Tools account and submit your sitemap — Microsoft's equivalent of Google Search Console, often completely ignored.
3. Check your robots.txt to make sure no rule is blocking Bingbot.
4. Keep your information consistent across your site, your Bing Places listing, and your professional profiles: Copilot, like other AIs, cross-checks multiple sources before citing a brand.

Copilot, a still-uncontested channel

Most businesses doing GEO today focus on ChatGPT and Perplexity, sometimes Gemini. Very few think to check their presence in Copilot, even though it reaches a huge professional audience built directly into everyday work tools. It's one of the rare channels where GEO competition is still limited — for now.