Performance
· 21 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
339 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
397 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
17 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.26 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
624 ms
Page Load Progression
BJS Execution Cost833ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://mpzorro.ru/ | 458ms | 3ms | 6ms | 1st |
| https://mpzorro.ru/_next/static/chunks/794-4d0b7b700451cc43.js | 172ms | 155ms | 7ms | 1st |
| https://mpzorro.ru/_next/static/chunks/app/page-94e41f68a4aaf779.js | 82ms | 15ms | 1ms | 1st |
| Unattributable | 70ms | 6ms | 0ms | 1st |
| https://mpzorro.ru/_next/static/chunks/4bd1b696-215e5051988c3dde.js | 51ms | 10ms | 7ms | 1st |
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BCompression AlgorithmMain response uses gzip; brotli would be ~20% smallerREVIEW
BMain HTML Cache-ControlCache-Control present but without max-ageREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachings-maxage=31536000REVIEW
s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 31536000 | CDN caches for 52 weeks |
A+Page Weight Budget248 KB transferred, 35 requestsPASS
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization1 images, 0 KB saveablePASS
A+Font LoadingNo web fonts (system fonts)PASS
A+JS Bundles12 scripts, 49 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://mpzorro.ru/_next/static/chunks/4bd1b696-215e5051988c3dde.js | 62 KB | 25 KB (41%) | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/794-4d0b7b700451cc43.js | 60 KB | 24 KB (40%) | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/webpack-428e727893266c2e.js | 2 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/main-app-28f6be9336f88656.js | 1 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/500-c99b8dfd3de17c86.js | 4 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/200-4db22bc9b77e1541.js | 6 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/app/layout-c5e899531b17ab24.js | 3 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/app/page-94e41f68a4aaf779.js | 6 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/app/audit/page-0c249a9605ea86f5.js | 5 KB | — | ✓ | 1st |
| https://mpzorro.ru/_next/static/chunks/app/about/page-437fbc7b3d6239ab.js | 1 KB | — | ✓ | 1st |
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory35 resources · 248 KB · 49 KB savings availablePASS
~48.9 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 35 resources | 248.2 KiB | ||||||
Network Waterfall35 requests over 4086msINFO
Image Optimization16 images, 22 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
16
Total Size
22 KB