Know what your audience actually wants to read before you write it
Content teams burn thousands on agencies and production before knowing what resonates. TestSynthia lets you test headlines, formats, and topics with realistic audience personas - so you publish what drives engagement, not what your team likes.
Category
Content
Steps
4
Panels
3
Time
10 min
A Series A fintech startup spent $6,000 per month on a content agency that produced product announcement posts and carousel PDFs. Engagement was flat and inbound demos from content were near zero. Before renewing the contract, the founder tested 3 content angles with 800 finance and operations personas: educational posts on cash flow management, hot takes on fintech industry news, and product feature deep-dives. Educational posts won decisively: 54% of personas said they would engage and 23% would request a demo. Hot takes scored 31% engagement but only 4% demo intent. Product posts scored 18% engagement and 2% demo intent. The founder also discovered his audience preferred short text posts over carousel PDFs by a 2:1 margin. He reallocated the content calendar, killed the carousel format, and doubled organic reach in 6 weeks.
The agency loved carousel PDFs because they looked impressive - but the target audience never opened them
Product announcement posts drove vanity likes from other founders, not engagement from actual buyers
The assumed audience was startup founders when real buyers were mid-market finance managers
A/B testing content with paid ads would cost $2K+ per angle and train the algorithm on weak creative
Wrote 3 content briefs
He described 3 content angles in detail: educational explainers on cash flow management, hot takes on fintech regulation changes, and product deep-dives on expense tracking features.
Targeted finance and ops personas
He filtered 800 personas: finance managers, operations leads, and CFOs at companies with 50-500 employees, active on LinkedIn 5+ days per week, interested in fintech and business finance content.
Measured engagement and intent
TestSynthia generated responses on content appeal, likelihood to engage, brand trust, and demo request intent. Educational content dominated on every metric.
Reallocated before renewing
He shifted the agency brief to educational text posts, killed carousel production, and focused on cash flow topics. Inbound demos from organic content tripled in 45 days.
“Which type of LinkedIn content makes you more likely to engage: educational explainers, industry hot takes, or product feature deep-dives?”
“How likely are you to share a post about cash flow management with a colleague at your company?”
“After reading an educational post about expense tracking best practices, how interested are you in trying the author's product?”
“What content format do you prefer on LinkedIn: short text posts, carousel PDFs, or video clips?”
The agency's favorite format - carousel PDFs - was opened by only 8% of target personas and drove zero demo intent. The format the founder considered 'too basic' - short educational text posts - drove 54% engagement and 23% demo intent. Audience mismatch cost them 6 months of flat growth.
Discovered educational posts drove 3.1x more demo intent than product announcements before spending another $6K
Found their real content audience was finance managers, not startup founders as the agency assumed
Killed carousel PDF production based on simulated data, saving $3K per month in design costs
Tripled inbound demos from organic content by publishing what the audience actually wanted
Use Case
Test Content Angles Before You Publish
Steps
4 steps
Panels
3 recommended
Time
10 minutes
If you're struggling to know whether your product idea will succeed, using TestSynthia is the right decision.
Results in minutes.