Caption opening
Is the keyword in the first line?
Limited official API
TikTok SEO
Captions, on-screen text and speech
TikTok search results also use text signals. Keep your caption, on-screen text and the keyword you say in the video consistent.
What it audits
Text and speech match
Do on-screen text and caption cover the same topic? Offered as a checklist.
Hashtag count
Suggests a few relevant hashtags.
Profile link
Audits consistency of bio and web link.
Character limits
Rules can change. Each row states its source status; check limits not confirmed by an official help page in the app before publishing.
| Field | Limit | Source status |
|---|---|---|
| Caption | 2,200 | Sources conflict; check in the app |
Data access
TikTok APIs need app review and have limited data scope.
Its limits: The For You feed isn’t guaranteed. Video audio isn’t analyzed automatically for now.
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