Have you ever got the solution? I have the same problem!
Topic summary
Unstable TikTok Ads performance and a persistent “Audience too small” error when building custom audiences from site events.
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Performance swings: 1–2 days of strong results (ROAS 2.5–6; Shopify CVR 2–5%), followed by 1–3 days with 0–1 order, pulling average ROAS down to ~1. Uses 75% and 100% VV lookalike audiences (video viewers who watched 75%/100% of the video). Wonders if the volatility is common and how to stabilize results.
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Audience building issue: Creating custom audiences from Page View and View Content triggers “Audience too small” despite tens of thousands of recorded actions. Seeks a fix.
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Context: Product described as very TikTok-friendly; overall stats considered strong, with inconsistency being the core problem.
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Status: No solutions or concrete actions shared. Another participant reports the same issues and asks whether a solution was found. Discussion remains open with unresolved questions about stabilizing performance and resolving the audience size error.
Notes: ROAS = return on ad spend; CVR = conversion rate; VV lookalikes = audiences modeled from users who watched a high percentage of a video.