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Bundles/performance-deep-dive

Performance Deep Dive Audit

performance-deep-dive · v1.1.0 · paid

Advanced performance analysis covering bundle composition, caching strategy, runtime bottlenecks, and third-party script impact.

Bundle Analysis & Code Splitting

bundle-analysis · weight 0.25

Production bundle under 250KB gzipped for initial route
ab-002021
critical
Tree-shaking enabled and verified
ab-002022
high
Code splitting implemented at route level
ab-002023
high
Dynamic imports for heavy UI components
ab-002024
medium
Vendor and dependency chunks separated from app code
ab-002025
medium
CSS purging and tree-shaking configured
ab-002026
low

Caching & CDN Strategy

caching-cdn · weight 0.25

Cache-Control headers optimized for hashed assets
ab-002027
critical
Service worker cache versioned and cleaned on deploy
ab-002028
high
Stale-while-revalidate configured for APIs
ab-002029
high
CDN cache hit ratio above 80% for static assets
ab-002030
medium
Edge caching strategy handles personalized content
ab-002031
medium

Runtime & Memory Performance

runtime-memory · weight 0.2

Memory leak detection run
ab-002032
high
Garbage collection pauses under 50ms
ab-002033
medium
DOM node count under 1500 on typical page
ab-002034
medium
Streaming SSR or progressive rendering in use
ab-002035
medium

Network & Waterfall Optimization

network-waterfall · weight 0.2

Request waterfall flattened; critical path under 3 hops
ab-002036
critical
LCP reflects optimization measures
ab-002037
critical
Prefetching on hover or viewport entry configured
ab-002038
high
HTTP/2 Server Push or 103 Early Hints configured
ab-002039
low
Request deduplication implemented
ab-002040
low
Third-party scripts loaded asynchronously or deferred
ab-002041
low

Regression Prevention

regression-prevention · weight 0.1

Lighthouse CI in CI/CD pipeline
ab-002042
high
No duplicate dependencies in node_modules
ab-002043
low
Performance budget enforced in build
ab-002044
low
RUM and synthetic monitoring configured
ab-002045
low
Performance regression alerts configured
ab-002046
info
Regression alert thresholds reviewed quarterly
ab-002047
info
Animation frame budget of 16ms maintained
ab-002048
info
Paint profiling clean; no layout storms
ab-002049
info
Cache busting strategy documented
ab-002050
info
Asset hashing uses content hash in filename
ab-002051
info
Virtual scrolling for lists over 100 items
ab-002052
info