SVG
Little Eye detects SVG when you copy them. Identifies SVG markup and reports its viewBox.
Examples
<svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/></svg>
<svg width="100" height="50"><rect width="100" height="50" fill="orange"/></svg>
security warning — script
<svg viewBox="0 0 10 10"><script>alert(1)</script><circle/></svg>
security warning — external reference
<svg><image href="https://example.com/track.png"/></svg>