Cut unnecessary script payloads, eliminate third-party bloat, and improve INP — Audits total JavaScript execution weight, script request counts, and third-party script overhead against 2026 Core Web Vitals performance budgets.
Total JS budget audit — measures transferred JavaScript weight against 500 KB CWV budget.
Third-party script breakdown — isolates tracking, chat, and ad tech overhead.
Request contention analysis — flags excessive script tags causing main-thread blocking.
JavaScript Bloat & Asset Optimizer automatically crawls your website using a real headless browser to inspect: Total JS budget audit — measures transferred JavaScript weight against 500 KB CWV budget. Third-party script breakdown — isolates tracking, chat, and ad tech overhead. Request contention analysis — flags excessive script tags causing main-thread blocking.
Engineering leads, DevOps teams, SEO specialists, and product managers who need deterministic, evidence-backed inspection reports without generic AI hallucinations.
Our engine launches an isolated browser session, captures exact network requests, response headers, DOM snapshots, and console errors, and maps observable findings to actionable remediation steps.
The free tier audits up to 5 pages instantly (5 free scans/day). Comprehensive full-site reports with deep evidence citations are available for $3.99 per audit.