# MPC Performance Report — v6.82.190

- Generated: `2026-07-12T09:32:10+02:00`
- Framework build: Next.js 15.5.18 / React 19.1.0
- Shared first-load JavaScript reported by the clean build: **103 kB**
- Responsive image derivatives verified: **1,323**
- Physical public images verified: **1,801**
- Rendered asset/download requests validated: **862**

## Before-and-after package evidence

| Category | Baseline 6.82.188 | Final 6.82.190 | Delta |
|---|---:|---:|---:|
| Next production output | 12.9 MB | 13.1 MB | 213.3 KB |
| JavaScript files | 11.1 MB | 11.2 MB | 175.6 KB |
| CSS files | 1.3 MB | 1.3 MB | 0 B |
| Public images | 95.4 MB | 95.4 MB | 0 B |
| Fonts | 0 B | 0 B | 0 B |
| Packaged downloads | 39.3 MB | 39.3 MB | 0 B |

The production output increased only for the rebuilt runtime and added audit evidence; public images, CSS and packaged downloads were not inflated. The route fix does not add client JavaScript.

## Implemented delivery controls

- Versioned Next assets retain long-lived immutable caching; stable public images revalidate to support admin replacement.
- Compression is enabled in Next and compatible with cPanel/LiteSpeed Brotli or gzip negotiation.
- AVIF/WebP formats, explicit responsive device sizes, `srcset`/`sizes`, width/height contracts and below-fold lazy loading remain enabled.
- The listing-image HEAD fix is bodyless and does not increase browser transfer bytes.
- Generated `.next/server` and `.next/static` source maps are deleted after every clean build.
- External analytics remains consent/privacy guarded and non-blocking.

## Evidence limits

No Lighthouse or field Core Web Vitals values are claimed. Hosted Brotli/gzip negotiation, LCP, INP, CLS, TTFB, shared-hosting concurrency and real-device network waterfalls must be measured after deployment to the actual staging hostname.