Performance
· 15 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.
744 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.06 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
4.58 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.016
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.84 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.
6.06 s
Page Load Progression
3.5 s
7.1 s
10.6 s
14.1 s
17.6 s
21.2 s
24.7 s
28.2 sFPage Weight BudgetAction25.5 MB transferred, 93 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 CostAction8060ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://max.ru/_app/immutable/chunks/CX_HdG7b.js | 6013ms | 181ms | 0ms | 1st |
| https://max.ru/_app/immutable/chunks/Cpv6kJzN.js | 971ms | 27ms | 0ms | 1st |
| Unattributable | 700ms | 36ms | 0ms | 3rd |
| https://max.ru/ | 93ms | 3ms | 1ms | 1st |
| https://max.ru/_app/immutable/chunks/BJNTHV0U.js | 88ms | 60ms | 0ms | 1st |
| https://privacy-cs.mail.ru/static/sync-loader.js | 75ms | 65ms | 2ms | 3rd |
| https://mc.yandex.ru/metrika/tag.js | 63ms | 49ms | 8ms | 3rd |
| https://top-fwz1.mail.ru/js/code.js | 56ms | 51ms | 1ms | 3rd |
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction14 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
CPage Weight InventoryAction93 resources · 25.5 MB · 50 KB savings availableREVIEW
~49.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 93 resources | 25.5 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+JS Bundles39 scripts, 50 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://mc.yandex.ru/metrika/tag.js | 85 KB | 50 KB (59%) | ✓ | 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
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
Network Waterfall93 requests over 38516msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 700ms | 0 KB | — | ₽207/mo | Costly |
privacy-cs.mail.ru privacy-cs.mail.ru | Other | 75ms | 22 KB | — | ₽22/mo | Optional |
mc.yandex.ru mc.yandex.ru | Other | 63ms | 85 KB | 59% | ₽19/mo | Optional |
top-fwz1.mail.ru top-fwz1.mail.ru | Other | 56ms | 20 KB | — | ₽17/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 700ms and costs ~₽207/month
Unattributable takes 700ms 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
59% 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