Microsoft Copilot visibility for SaaS
Source: First Page Sage, Top Generative AI Chatbots by Market Share. July 2026, US monthly-active-user estimates.
Copilot's web answers come from the Bing index
Copilot grounds its web answers in Bing. There is no separate Copilot crawler to allow and no separate Copilot index to optimise for. If Bing has not indexed you well, Copilot cannot surface you, and no amount of AI-specific work will change that.
This is the most consequential and least understood fact about the platform. A great deal of what is sold as Copilot optimisation is either generic AI content work or a repackaging of Bing SEO, which is a discipline most SaaS teams abandoned a decade ago and which is unusually cheap to restart.
The enterprise picture is different again. Copilot is embedded across Microsoft 365, so in organisations that have standardised on it, it is the assistant sitting inside the tools where work happens. Consumer usage share understates its reach into exactly the accounts an enterprise SaaS company cares about most.
Which crawler does what, and what blocking it costs you
Training crawlers and retrieval crawlers are different things. Blocking a retrieval crawler removes you from the answers. Blocking a training crawler does not. Getting the two confused is the most common self-inflicted AI visibility problem we find.
| User agent | Purpose | What blocking it costs you |
|---|---|---|
| Bingbot | Search index | The index Copilot grounds against. Blocking it removes you from Copilot's web answers. There is no separate Copilot user-agent to configure instead. |
Our own policy is published at surge45.com/robots.txt, with a line per agent and the reasoning in the file. If we are going to advise on crawler policy, our own should be readable.
How Copilot cites
Copilot cites web sources with links, drawn from the Bing results it grounded on. Citation behaviour tracks Bing ranking more closely than any other assistant tracks its underlying index, which makes cause and effect unusually legible here.
Inside Microsoft 365, Copilot also draws on an organisation's own documents and data. That surface is not addressable from outside the account, and anyone selling you access to it is selling something that does not exist.
The practical result is a rare thing in this category: a platform where the work is measurable in a conventional tool. Bing Webmaster Tools shows the index the answers are built from.
Observed to change Microsoft Copilot visibility
Bing indexation and ranking
Verify the site in Bing Webmaster Tools, submit the sitemap, fix the crawl errors. Unglamorous, cheap, and the largest single lever on this platform.
IndexNow submission
Bing supports push-based indexation. New and updated pages can be surfaced far faster than by waiting for a crawl.
Content that matches enterprise buying questions
Security posture, compliance, procurement, integration with the Microsoft stack. The audience skews corporate, and so do the questions.
Sold for Microsoft Copilot, and not worth buying
Looking for a Copilot crawler to allow
There is not one. If you are being sold Copilot crawler configuration, the person selling it has not checked.
Optimising for the Microsoft 365 surface
Inside a tenant, Copilot draws on that organisation's own documents. It is not addressable from outside, and it cannot be sold as a service.
What we do on Microsoft Copilot
- 1Audit Bing indexation first. It is usually the entire problem.
- 2Set up Bing Webmaster Tools and IndexNow if they are not already running.
- 3Test the prompt set in Copilot and compare against Bing rankings to confirm the relationship holds for your category.
- 4Prioritise enterprise-buyer content: security, compliance, procurement, Microsoft-stack integration.
- 5Be honest in reporting that this is largely a Bing programme, because it is.
Microsoft Copilot questions we get asked
The rest of the assistant layer
ChatGPT51.3%
The largest assistant by a distance, and the one whose citation behaviour changes most between a model answering from memory and a model running a search.
Read the mechanismGoogle Gemini27.7%
The second-largest assistant by usage, and the one most often missed because two pages about Google Search surfaces make Google look already covered.
Read the mechanismClaude10.3%
Third by usage, but over-indexed among engineering and technical buyers, which makes its share understate its commercial weight for developer-facing SaaS.
Read the mechanismGrok2.8%
Fourth by usage, and the only assistant whose answers respond to what people are saying about you this week rather than this year.
Read the mechanismPerplexity2%
Small by usage and disproportionately useful, because it is the one assistant that shows its working: sources are listed on screen, so citation share is directly observable rather than inferred.
Read the mechanism