The answer
Trending sounds and short cuts. The typical post using a trending sound got 1.43 million plays; one with Duolingo’s own sound got 418,000. Posts of 10 seconds or less got 1.24 million, longer ones 645,000.
Audit a TikTok account’s recent posts like a growth analyst and turn the patterns into tests for the next posts.
v0.1.1
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The 20 most recent posts on @duolingo (18.4 million followers), 13 October to 4 November.
Trending sounds and short cuts. The typical post using a trending sound got 1.43 million plays; one with Duolingo’s own sound got 418,000. Posts of 10 seconds or less got 1.24 million, longer ones 645,000.
The top three were all 5–9 seconds long. The clip that brought the owl into a cartoon dance trend reached 6.66 million plays with a 41% engagement rate.
For two weeks, post four trending-sound videos for every one with an original sound. It works if the typical post stays above 1 million plays.
From a real run on 2026-11-05.
An Agent that can read the complete Skill folder. Live research also needs a SandBase connection; supplied material can be used without a lookup.
Download and unpack the complete Skill folder, keep its references, and use it with a local Agent that supports Skills.
Use tiktok-account-audit on @duolingo. Analyse the last 20 posts, explain what separates hits from misses, check the top post’s views, and suggest tests for the next two weeks.
Fetch the profile and at least 20 recent posts; leave pinned posts out of medians.
Split by sound, length and format, and compare top and bottom posts.
Analyse the top post, read milestones, and write tests with success measures.
Download and unpack the whole Skill folder, including references, into your Agent’s supported Skill directory. You can also ask the Agent to read its SKILL.md and follow the instructions. Run it locally with your own material.
No. It is a statistical estimate; fast organic growth also trips its rules, so read it against the account’s history.