SECURITY REPORT · EXTENSHI SCAN
20-20-20 Rule
Firefox extension·by Shreya
96
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
20-20-20 Rule's safety score vs every other extension we've scanned
Globally
79%of extensions carry more risk
Riskier ←→ Safer
Ranked against 384,183 extensions
In Alerts & Updates
58%of alerts & updates extensions carry more risk
Riskier ←→ Safer
Ranked against 6,882 alerts & updates extensions
Findings
3
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
129
median 1vs category median
Findings breakdown
Automated security signal · 3 distinct issues across 6 severities
3
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium267%
Low133%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Show notifications
Can display desktop notifications outside the browser
Low
Schedule tasks
Can schedule periodic background tasks
Are you the author of 20-20-20 Rule?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show 20-20-20 Rule's live security score on GitHub or in your docs
Scan performed by extenshi.io · Sep 13, 2026
Browser extensions made transparent.