Productivity
Stealth Browser Assistant
Last updated 2026-08-25 · benchmark measured 2026-08-25 — deterministic & reproducible
Browser extension that hides, mutes, or closes tabs matching your private keywords.
Is Stealth Browser Assistant production-ready?
Legit.Show scores Stealth Browser Assistant 84 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Stealth Browser Assistant (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 96/100
- Accessibility — 95/100
- Security — 45/100
- Privacy — 75/100
- Reliability — 100/100
- Standards — 76/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 452 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.
Who it's for
Privacy-conscious users · Remote workers · Multi-tasking professionals · Browser privacy advocates
Pricing
Free tier (5 keywords); Premium $15 one-time payment for lifetime access and unlimited keywords
Visit Stealth Browser Assistant → · Alternatives to Stealth Browser Assistant → · How this was measured →