Back to LabsPerformance Checkup
Launch with confidence using live metrics
Paste HTML/CSS/JS snippets and receive instant insights on size, DOM weight, and script impact.
Instant diagnosis
Combine bundle size, DOM nodes, and inline styles to generate a performance score.
Overall score
93
Estimated size
1.4 KB
DOM nodes
0
Script tags
0
Inline styles
0
Characters
1386
Risks
OK
All clear! Size, node count, and script usage look healthy.
Code inputs
Paste or tweak your HTML, CSS, and JS. Metrics refresh in real-time.
行数: 25字符: 595大小: 595 B
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