AI & Agents
Seedance Check
Last updated 2026-07-31 · benchmark measured 2026-07-31 — deterministic & reproducible
Free tool to check whether a video was generated by Seedance AI.
87/100
Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.
Is Seedance Check production-ready?
Legit.Show scores Seedance Check 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Seedance Check (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 98/100
- Accessibility — 96/100
- Security — 25/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 157 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who built it
Kara Phillips
Who it's for
Content creators · Fact-checkers · Review teams · Social media moderators · Journalists
Pricing
Free — no sign-up required