For demand gen and growth marketing at B2B SaaS

See your pages and campaigns as your buyers will. Before you launch.

What’s working, what’s broken, and what to fix, from up to 300 agents built out of your buyers’ own words. 30 minutes, from a URL.

RUN-2847 Where the handoff broke · one run, 300 agents
recommends · 35 of 60 recommends · 5 of 60 stalls · 33 of 60 recommends · 18 of 60 stalls · 15 of 60 recommends · 7 of 60 cannot recommend · 52 of 60 End User EU Champion CH Technical DM TDM Security Guardian HOLDS A VETO Economic Buyer EB · DECIDES
300 agents · 60 per role · this run
52 of 60 could not pass it on
SOURCED every finding quotes a buyer
Accuracy
84%

473 calls, graded HIT or MISS by your team against your own data.

Time per run
30 min

From a URL to a fix list. Review rounds take two weeks.

Sourced
100%

Every finding traces to a named page and a buyer’s own words.

Trusted By

+ NDA design partners
What WhyUser is

WhyUser tests a B2B landing page, ad or email before you launch it. 50 to 300 agents, built from your buyers’ own words and each citing its source, report what’s working, what’s broken and what to fix.

Ground Reality

You don’t write the personas. Your buyers already did.

Before they meet you: review sites, community threads, competitor complaints, and how all of it shifted over 18 months. After they meet you: call recordings, CRM notes, win/loss reasons.

Company Context
site_crawl · acv · gtm
Customer Voice
gong · crm_objections
Market Intel
community · competitor_gaps
Buyer Agent
10 to 60 per role
AI Awareness
perplexity · chatgpt · claude
Institutional Knowledge
closed_won · positioning · battlecards
A/B Outcomes
live_perf · feedback_loop

Six inputs become one agent. Where they disagree, a real buyer’s words beat the AI’s guess.

One compiled buyer

Static or dynamic. You choose.

Freeze a persona to hold a baseline, or leave it live and it rebuilds when new evidence lands. It never drifts on its own.

A compiled WhyUser buyer agent shown as a graph: 42 stable traits across firmographics, biases, behaviours, objections and skills, and 58 dynamic traits across frictions, motivations, evidence needs, expected questions and mental anchors, with 15 pain points listed alongside.
One buyer from a live run: 42 traits that hold steady, 58 that move as evidence lands. Anonymised.
Why ngrok chose WhyUser
Most tools need weeks of manual data mapping. WhyUser's Ground Reality ingested our site, social sentiment and customer transcripts in minutes, and it keeps learning.
Nichole Larue · Head of Marketing Operations · ngrok
What comes back

A report you forward, instead of a note you defend.

Every finding names the reader, the line, and the trait that stopped them. Up to 60 agents per role, scored as a chain rather than an average.

The agents are simulated. The evidence behind them is not.

What’s working

The lines that landed, and which readers they landed with. Keep them when you rewrite.

What’s broken

41 of 60 never scrolled past the hero. 52 of 60 could not answer “what does it cost.”

What to fix

Ranked by how many agents it unblocks, with the exact element to change.

Evidence on every claim

Every finding traces to its source in Ground Reality. You see why a buyer stopped, not just that they did.

Four published reports

Unedited. One is this homepage. It found our nav hard to scan and our proof thin.

Read the reports
What you can test

Marketing is the only team that opens without a rehearsal.

Engineering has staging and sales rehearses the pitch. Marketing goes live, then buys traffic to find out whether the message landed. Why shipping without a rehearsal is malpractice

WhyUser gives me the ammunition to make the case internally, to engineering, leadership and sales. It doesn't just say a page is broken, it shows who bounces and what to fix.
Veronica Dominicis · Head of Demand Gen & RevOps · Vectara
Where WhyUser fits

One run settles what three meetings argue about.

No new cycle, no new process. One 30 minute step between review and launch, in-app or via API.

Phase · 01 Plan Brief & ICP
Phase · 02 Build Copy, design, ad creative
Phase · 03 Review Internal alignment
New step · pre-launch

WhyUser · Test

Run the ad, email or page past your buyers. Get what’s working, what’s broken, and what to fix.

30 min Headless via API Sourced Before spend
Phase · 05 Launch Push live, allocate spend
Phase · 06 Measure Live performance, A/B

You already run Plan → Build → Review → Launch → Measure. WhyUser adds one 30 minute step, so you catch it before launch rather than six weeks after the spend.

How WhyUser compares

One opinion isn’t data. 300 agents is.

Your reviewers and your chatbot know the product and pay attention. Your buyers do neither. Four things turn an opinion into something you can act on. Ask any tool here, including us.

01 · Repeats

Same page in, same answer out.

Fix one section and only that section moves, so you know your fix worked. A chatbot writes a new essay every time you ask.

02 · Shows its source

Every quote traced to a real page.

A rival’s comparison page is not a buyer’s words. To a chatbot, both are just text.

03 · Reads like your buyer

Scans, hunts, abandons. Never patient.

Loop a chatbot 30 times and you get one opinion 30 ways.

04 · Remembers

Your 10th run is better tuned than your 1st.

Every finding graded HIT or MISS, and carried forward. A chatbot has no idea there was a last week.

EVIDENCE LEDGER Acme · /platform
82% hit rate · 41 graded calls
v1 v2 v3 · CLEAR
Econ Buyer vetoes at ROI section HIT
Hero clarity gap (you fixed in v3) RESOLVED
Security badge missing above fold MISS
~150 calibrated fingerprints · each with provenance · deterministic updates

Each version re-tests only what you changed.

Who this is not for

If any of these are you, save your time.

Better you know now than after a procurement cycle.

CMOs at 500+ person companies.

Your team needs the artifact, not you. We sell directly to your VP of Demand Gen instead.

B2C, e-commerce, or non-technical SaaS.

One or two people decide, so the evidence carries less weight. The math doesn’t work for you yet.

Marketers who believe more AI throughput will fix conversion.

It won't. Come back after the campaign that taught you that.

Get Started

Fail in the test.
Win in the market.

Tell us about the next campaign you have going live. We reply within 48 hours.

The Cost

No charge during the program. Post-program: only if it earns its place in your stack.

The Trade

One short feedback call with our founder while you are in the program. We use it to guide product direction.

The Fit

You drive B2B traffic, with campaigns going live in the next 30 days. You can still change them.