SECURITY REPORT · EXTENSHI SCAN
Performance Metrics Analyzer
Firefox extension·by Arlene
0
/ 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
Performance Metrics Analyzer's safety score vs every other extension we've scanned
Globally
96.64%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
86.64%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
3
median 38Lower is safer
Risky permissions
0
median 1Critical + high perms
Total permissions
0
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 3 findings across 5 severities
3
findings
detected
detected
Critical00%
High00%
Medium133%
Low267%
Info00%
Permissions requested
0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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