Performance
· 17 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.
1.67 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.26 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
6.24 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.003
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
4.63 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.
10.08 s
Page Load Progression
830 ms
1.7 s 2.5 s
3.3 s
4.1 s
5.0 s
5.8 s
6.6 sFPage Weight BudgetAction19.4 MB transferred, 88 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
FJS Execution CostAction9796ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://max.ru/_app/immutable/chunks/CX_HdG7b.js | 7245ms | 145ms | 0ms | 1st |
| Unattributable | 1224ms | 91ms | 0ms | 3rd |
| https://privacy-cs.mail.ru/static/sync-loader.js | 456ms | 375ms | 9ms | 3rd |
| https://mc.yandex.ru/metrika/tag.js | 354ms | 292ms | 53ms | 3rd |
| https://max.ru/ | 198ms | 16ms | 3ms | 1st |
| https://top-fwz1.mail.ru/js/code.js | 151ms | 121ms | 5ms | 3rd |
| https://max.ru/_app/immutable/chunks/sDEGO1DI.js | 115ms | 89ms | 0ms | 1st |
| https://max.ru/_app/immutable/chunks/Cpv6kJzN.js | 53ms | 17ms | 0ms | 1st |
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction13 images, 0 KB saveableREVIEW
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
BJS Bundles39 scripts, 51 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://mc.yandex.ru/metrika/tag.js | 85 KB | 51 KB (60%) | ✓ | 3rd |
| https://max.ru/_app/immutable/chunks/DfxMt3bL.js | 1 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/Cpv6kJzN.js | 2 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/BJNTHV0U.js | 9 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/CO_Kkw34.js | 3 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/CzTBNV8K.js | 1 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/D0iwhpLH.js | 0 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/entry/app.C-FwJhMr.js | 3 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/PPVm8Dsz.js | 1 KB | — | ✓ | 1st |
| https://max.ru/_app/immutable/chunks/DsnmJJEf.js | 0 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
CPage Weight InventoryAction88 resources · 19.4 MB · 51 KB savings availableREVIEW
~50.9 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 88 resources | 19.4 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact1% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading2 fonts (37 KB)PASS
Web fonts
2
37 KB total
Render-blocking
0
of 2
Dominant font-display
swap
Most common across fonts
Font loading timeline
Optimization checklist
- Preload critical fonts (priority=high)
- Use woff2 format for all fonts
- Set font-display to swap, optional, or fallback
- Subset large fonts (≤100 KB each)
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
Network Waterfall88 requests over 4334msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 1224ms | 0 KB | — | ₽362/mo | Costly |
privacy-cs.mail.ru privacy-cs.mail.ru | Other | 456ms | 22 KB | — | ₽135/mo | Costly |
mc.yandex.ru mc.yandex.ru | Other | 354ms | 85 KB | 60% | ₽105/mo | Costly |
top-fwz1.mail.ru top-fwz1.mail.ru | Other | 151ms | 20 KB | — | ₽45/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 1224ms and costs ~₽362/month
- privacy-cs.mail.ru adds 456ms and costs ~₽135/month
- mc.yandex.ru adds 354ms and costs ~₽105/month
Unattributable takes 1224ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
privacy-cs.mail.ru takes 456ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
mc.yandex.ru takes 354ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
60% of mc.yandex.ru's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev