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high-perf-browser

Optimizes web performance by addressing network protocols, resource loading, and browser rendering for improved page load speed.

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Security score

The high-perf-browser skill was audited on Mar 8, 2026 and we found 5 security issues across 2 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

medium line 179

Fetch to external URL

SourceSKILL.md
179| **Legacy fallback** | Long polling when WebSocket is blocked | `fetch('/poll')` in a loop with timeout |
low line 46

External URL reference

SourceSKILL.md
46| **Connection warmup** | Pre-establish connections to critical origins | `<link rel="preconnect" href="https://cdn.example.com">` |
low line 47

External URL reference

SourceSKILL.md
47| **DNS prefetch** | Resolve third-party domains early | `<link rel="dns-prefetch" href="https://analytics.example.com">` |
low line 224

External URL reference

SourceSKILL.md
224- [*"High Performance Browser Networking"*](https://www.amazon.com/High-Performance-Browser-Networking-performance/dp/1449344763?tag=wondelai00-20) by Ilya Grigorik (the complete reference for network
low line 225

External URL reference

SourceSKILL.md
225- [hpbn.co](https://hpbn.co/) -- Free online edition maintained by the author
Scanned on Mar 8, 2026
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