SightboxMarket Fit Read
Guide ยท How to

How to measure market fit for a small business

Measure market fit against your own promise, from evidence anyone can check. Score four readings out of twenty-five, add them up to a number between zero and one hundred, then act on the lowest one.

Short answer. 1. Write your promise in one sentence. 2. List every public surface. 3. Score coverage, consistency, distinctiveness and resonance from 0 to 25 each, with one line of evidence per score. 4. Add them up. 5. Fix the lowest reading first. Repeat every quarter.

Why small businesses need a different yardstick

Startup metrics such as retention cohorts and survey thresholds assume large user counts. Most small businesses do not have them. What every business does have is a public footprint: a website, an offer page, listings, social profiles, reviews. That footprint can be scored without surveys or analytics access.

Step 1: Fix the standard

Write the promise sentence and date it. Template: "[Company] promises to [core value or benefit] for [audience] by [how]." Every score after this measures fidelity to that sentence. If you change it, the score resets.

Step 2: List your surfaces

Homepage, offer or pricing page, about page, each social profile bio, directory and marketplace listings, review profiles, email signature, pitch deck. Note who each surface is for: who uses, who pays and who spreads the word. These are often different people.

Step 3: Score four readings, 0 to 25 each

Reading0 to 67 to 1213 to 1819 to 25
Coverage: is the promise on every surface, for all three audiences?AbsentPartialBroadSaturated
Consistency: same meaning and wording across surfaces and over time?FragmentedLooseAlignedLocked
Distinctiveness: does it fail the swap test with competitors' names?GenericFamiliarDifferentiatedOwnable
Resonance: do customers say it back, unprompted, in their own words?SilentParrotedAdoptedChampioned

Rule: one line of evidence per score. If you cannot point to it, score lower. For resonance, only arm's-length sources count: reviews, third-party mentions, unprompted messages. Follower counts and reach do not.

Step 4: Add up and read the band

0 to 25 Stated: the promise exists mostly in your head or one page. 26 to 50 Surfacing: it shows up but drifts. 51 to 75 Coherent: it is consistent and somewhat yours. 76 to 100 Believed: the market repeats it.

Step 5: Diagnose why, then pick one move

Use the four whys to find the cause. Is it clear why you, why this instead of the workaround, why now, and why us for the people you invite in? Rate each 0 (missing), 1 (implied), 2 (stated) or 3 (stated and specific). Then choose the single move that lifts your lowest reading.

Common mistakes

Try it now with the free self-score, or download the checklist.

Keep reading

Questions

How often should a small business measure market fit?

Once a quarter is a sensible rhythm, and whenever you change your offer or promise. Date every score so you can compare like with like.

Can I measure market fit without customer surveys?

Yes. Coverage, consistency and distinctiveness are scored from your own public surfaces. Resonance uses reviews and mentions that already exist.

Get your read

Want the number for your own brand?

A Market Fit Read scores your public presence against your own promise, zero to one hundred, and hands back one number, one diagnosis and one move. Not ready to buy? Take the free self-score or read the sample report.

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