05

Chapter five of ten

Prompt research

The prompts you track decide every visibility number you report. Build the set around themes your buyers care about, then keep it stable enough to show a trend.

Buyers ask Which prompts should we track?

By Maeva Cifuentes · Updated October 2026

Read this chapter as

The short answer

Pick the themes where a buyer asks an engine to name a product like yours. Write a handful of prompts for each theme, varied by buyer, competitor or feature. Keep prompts that include your brand name in a separate set that checks accuracy. Read the trend for each theme and treat any single prompt as one sample.

Why the prompt set comes first

A visibility score is a share of a prompt set. Change the set and the score changes with it, even when nothing about your brand has moved. So the choice of prompts is the first measurement decision in an AEO program.

Chapter 2 showed that an engine gives different answers to the same prompt from one run to the next. A theme with several prompts smooths that out. The movement of a theme over months tells you far more than one prompt checked on one day.

  • The set feeds your reporting

    Mention rate and citation rate are both counted against it. Chapter 8 covers those metrics.

  • The set feeds your content plan

    The themes where you are absent point to the pages worth building or fixing in chapter 6.

  • The set feeds your outreach list

    The sources engines cite for your prompts become the sites to earn a place on in chapter 7.

If you decide

Ask who chose the prompts behind any score you are shown and how many there are. Ask whether the set changed between the two dates being compared.

If you do the work

Write down a reason for every prompt. Get the set approved before you record a baseline, since later edits reset the comparison.

How people prompt

Prompts run longer and more personal than search keywords. People describe their company, their constraints and the task they want done.

8.7

words in the average ChatGPT prompt with search switched on, up from 4.7 a year earlier

Semrush clickstream study, April 2026, comparing January and February of 2025 and 2026
65–85%

of ChatGPT prompts matched zero keywords in a database of 27 billion

Semrush, April 2026, for much of October 2024 to February 2026
20

words in the median observed prompt in June 2026, up from 16 in July 2025, across 387 prompts

Seer Interactive, June 2026, from seven observation studies

The figure of 23 words that circulates widely comes from an older Semrush study published in February 2025. That figure covered prompts sent with search switched off. Semrush's April 2026 update puts those prompts at 13.5 words, down from 24.9 a year earlier.

Prompt volume numbers are estimates

Zero AI platforms publish the prompts their users type. Every volume figure in a tracking tool is modelled from a browser panel, from keyword volume or from both. Ahrefs states that its numbers are built from Google keyword volume without user prompt data (August 2026). Scrunch describes prompt volume as directional and fragile in its own help centre (September 2026).

We use volume as a rough tiebreaker. Sales calls, support tickets and search data are stronger evidence that buyers ask a question.

Themes before prompts

A theme is a group of prompts that share one buyer intent, such as finding the best product in a category or replacing a named competitor. We choose themes first and write prompts second. Tracking every long variation of one question raises the tool bill and adds little signal.

Two studies support this. SparkToro and Gumshoe ran 12 prompts 2,961 times in January 2026. The same list of brands came back in fewer than 1 in 100 runs. In a follow-up run of 142 headphone prompts, the leading brands still appeared in 55 to 77% of 994 answers, so a share measured across many prompts and runs is a fair metric. Peec, a tracking vendor, tested 1,754 prompts in June 2026 and found that rewording a prompt rarely changed which brands appeared until the meaning itself drifted.

WhoSuggested sizeHow the set is built
Scrunch, a vendor12 to 15 prompts per topic clusterTopic clusters built from SEO and paid keywords, then pruned after two weeks of data
Ahrefs, a vendorA few dozen promptsA narrow set of topics, expanded as you enter new areas
Kevin Indig, Growth Memo15 to 30 per buyer segmentBrand, category and problem prompts, run several times
Aleyda Solis30 to 50 to start100 to 250 for SaaS with several personas and competitors

Sources are Scrunch (2026), Ahrefs (2026), Growth Memo (February and June 2026) and Aleyda Solis (June 2026). Solis notes that her ranges are starting points.

We build 5 to 8 prompts per theme across 6 to 10 themes. That gives 30 to 80 prompts for one product in one market. A theme with three prompts or fewer is too thin to report on, so we merge it into a neighbour.

If you decide

Ask for results by theme. A single rolled-up number hides where you are strong and where you are absent.

If you do the work

Tie each theme to a page type you want to win, such as comparison pages or use case pages. The theme then tells you what to build.

Where prompts come from

Start from questions buyers have already asked you. A prompt invented at a desk measures what the team imagines buyers ask.

  • Sales calls and decks

    Pull the questions prospects ask when they want a vendor named for them. Thirty call transcripts is a workable sample.

  • Support tickets and reviews

    These carry the buyer's own words for problems and features, which often differ from your marketing terms.

  • Search Console

    Filter queries of ten words or more with the pattern ^(\S+\s+){9,}\S+$. Long conversational queries hint at how people phrase the need.

  • Bottom-of-funnel keywords

    Terms like "best", "alternatives" and "vs" that you and your competitors rank for map straight onto prompt themes.

  • Fan-out data

    The searches an engine runs for your category, covered in chapter 3, show which angles it checks before answering.

  • Tool suggestions

    Tracking tools suggest prompts. Treat them as a second input and check each one against the sources above.

Search Console shows queries typed into Google. It carries zero labels for AI Mode, so treat long queries as a hint. The pattern comes from Chris Long, Search Engine Land, February 2026.

Rules for a clean set

These rules come from auditing tracker setups that reported a flattering number and taught the team nothing.

  • Leave your brand name out of visibility prompts

    A prompt that names you will mention you nearly every time. Measure visibility only on prompts where the engine has to choose you unprompted. Competitor names are fine.

  • Keep a separate branded set for accuracy

    Prompts such as "What does [brand] do?" show whether engines describe you correctly and which sources they draw on. Report this set on its own, away from the visibility number.

  • Drop prompts that surface zero brands

    Broad educational questions often get an answer with zero products named. Check the response before you pay to track the prompt.

  • One prompt per answer space

    Vary a prompt on something that changes the answer, such as the buyer, the market, the competitor or the feature. Two prompts that differ only in wording count as one.

  • Test near duplicates with data

    Keep two similar prompts only when their results differ by more than a few points over a month.

  • Create your own themes and tags

    Auto-generated topics rarely match your strategy. Tag prompts by theme, competitor and priority so you can filter reports later.

Build yours

Prompt set builder

Fill in the form and the builder writes a starter set sorted by theme, with a separate branded set. The set is built in your browser from the rules in this chapter.

Fill in the form to begin

A category and one buyer are enough for a first draft.

    The builder writes from patterns, so read every prompt aloud and reword any that a buyer would never say. Run each one in an engine before you track it. Drop those that come back with zero brands named. The CSV columns are prompt, theme, buyer, stage, tags and set.

    Personas and markets

    Engines tailor answers to what they know about the person asking. iPullRank tested this on Google's AI Mode in May 2026. In accounts with Personal Intelligence switched on, the brands under test were mentioned in 66.8% of answers, against 23.9% in a blank control account. Tracking tools usually collect answers from a logged-out session or the API, so they see the general answer.

    Exact prompts are close to impossible to match under that much variation. We group the likely variants and are now testing personas inside our tracking tools. One prompt runs several times, each time framed for a different buyer such as a company under 100 employees or a global enterprise. A simulated persona is a rougher signal than a person's own chat history. It still shows how a brand performs for each audience.

    • Build personas from customer research

      Use interviews, calls and reviews. Kevin Indig suggests a short card per persona covering the job to be done, constraints, success measure, decision criteria and vocabulary (Growth Memo, February 2026).

    • Match market to persona

      Set the country and language of each prompt to the buyer it represents. A German buyer persona runs German prompts from Germany.

    • Count the cost

      Tools bill per prompt per platform. Three personas on forty prompts across four platforms is 480 tracked variants, so add personas to your priority themes first.

    Keeping the set stable

    A trend line needs the same prompts at both ends. Every added or removed prompt shifts the score, so changes belong at planned points with a note of the date.

    1. Review monthly

      Read the answers for your priority themes. Flag prompts that stopped surfacing brands or drifted off topic.

    2. Change quarterly

      Add prompts for new products, competitors or markets. Retire the flagged ones in the same batch.

    3. Mark the change

      Record the date and restart the baseline for any theme you edited. Keep a core group of prompts untouched all year.

    Aleyda Solis recommends a similar rhythm with a stable core, monthly checks on priority prompts and a full review every 6 to 12 months (June 2026). Scrunch suggests a monthly review with additions each quarter.

    If you decide

    Expect a spot check to disagree with the report. Typing a tracked prompt yourself gives one personalised sample. The report shows a rate across many runs.

    If you do the work

    When a client or colleague runs a second tracker, compare prompt lists before you compare numbers. Two sets give two scores.

    Other views

    • Measure customers instead

      Eli Schwartz argues that tools charge per prompt, which rewards tracking more variations. He prefers a broader share of voice that checks whether you appear wherever your competitors appear (Previsible, January 2026).

    • Track hundreds of prompts

      Profound, a vendor whose pricing scales with prompt count, tells customers to start at 100 and says they track up to 1,000 (February 2026).

    • Run it like a poll

      Kevin Indig recommends repeating each prompt several times per platform and reporting a range (Growth Memo, June 2026). Graphite found that 10 runs gave an average error of about 5.6% (April 2026).

    • Skip synthetic prompts

      Victoria Spall of Browser Media argues that trackers measure simulated prompts and that Search Console, Bing and analytics data deserve the attention (August 2026).

    Choose your next stop

    Where to go from here

    Sources