In this guide
Short answer
Bing’s October 13 Topics Portfolio beta helps publishers spot citation themes and gaps; its approximate figures are planning signals, not traffic or conversion totals.
What Bing announced
Bing’s October 13 announcement adds Topics Portfolio to AI Performance in Webmaster Tools. It groups grounding queries into themes and shows approximate Topic Size, Sites Cited and Queries, plus opportunity queries where other sites appear. Topic Size reflects citations across sites, not visits to your site. Availability depends on sufficient data. Bing warns that AI classification and aggregates are imperfect.
What the report cannot answer alone
A citation is not a visit, sale or endorsement. A topic omitted for insufficient data is not proof that nobody needs that information. These beta measures cover the report’s observed ecosystem; they are not a complete ledger of every AI answer service.
Our analysis: turn gaps into reader questions
An opportunity query is useful when your team can answer it from credible experience or documented evidence. It is less useful as a reason to publish another broad list without checking whether the missing answer already exists on your site. Inspect the question, find the nearest current page and identify the exact information a reader still needs.
For a tool publisher, that could mean explaining an export limit, separating a monthly-equivalent price from an annual charge, or adding a concrete buyer test. Those improvements help a person make a decision even if citation visibility never changes. Chasing every large topic risks diluting the site’s actual expertise.
A modest measurement plan
Choose one relevant theme and save the report period and observed queries. Select three pages you can improve with reliable sources. Record the old answer, the added evidence and the update date. Preserve canonical URLs unless the page has a genuine identity problem.
After a comparable period, review citation signals alongside visits, engaged reading and completed signup events. Avoid attributing a change to one edit when the reporting window, product news or competitors changed too. If the beta tab is absent, use the evidence you already have instead of inventing a score.
What to watch next
Watch whether classification and coverage become more consistent and whether a stronger answer corresponds with useful reader activity. No markup or rewrite guarantees inclusion. Browse AI news and tool reviews for examples of source-backed decision content.
Transparency
How this guide was checked
Editorial accountability
Who checked this guide
- Evaluation type
- Research-based verification
- Last materially checked
- Evidence
- 1 listed sources
Hands-on testing is identified explicitly. Research-based coverage uses cited product documentation and other named sources; it does not imply every paid plan was used. Read the full methodology.
Editorial basis
What this guidance is based on
- Editorial basis
- Source-led analysis
- Primary references
- 1
- Products covered
- 0
- Last checked
- 2026-10-14
Important limits
- • Features, availability, and pricing can change after publication; confirm consequential details with the provider.
Sources and verification
Product details and claims were checked against the following primary sources.
Frequently asked questions
Does Topic Size measure website traffic?
No. Bing describes approximate citations across all sites for the theme.
Why might the beta tab be absent?
Bing says the view requires sufficient site presence and ecosystem activity.
Read next

