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.
1.84 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.60 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
190 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.020
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.10 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.
4.43 s
Page Load Progression
485 ms 971 ms
1.5 s
1.9 s
2.4 s 2.9 s 3.4 s
3.9 sDPage Weight BudgetAction2.2 MB transferred, 116 requestsFIX
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
DJS Execution CostAction2214ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://cdn1.img.sputnikglobe.com/min/js/dist/head.js?9c9052ef3 | 735ms | 613ms | 2ms | 3rd |
| https://a.sputniknews.com/js/sputnik.js | 397ms | 276ms | 1ms | 3rd |
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.98.0/core-en.js | 250ms | 209ms | 13ms | 3rd |
| https://sputnikglobe.com/ | 214ms | 5ms | 3ms | 3rd |
| Unattributable | 212ms | 6ms | 0ms | 3rd |
| https://cdn.iubenda.com/cs/tcf/stub-v2.js | 158ms | 148ms | 0ms | 3rd |
| https://yandex.ru/ads/system/context.js | 108ms | 67ms | 9ms | 3rd |
| https://mc.yandex.ru/metrika/tag.js | 76ms | 65ms | 5ms | 3rd |
| https://cdn1.img.sputnikglobe.com/min/js/dist/footer.js?979e8f65d | 65ms | 26ms | 19ms | 3rd |
FJS BundlesAction27 scripts, 418 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://cdn1.img.sputnikglobe.com/min/js/dist/footer.js?979e8f65d | 244 KB | 132 KB (56%) | ✗ | 3rd |
| https://yastatic.net/partner-code-bundles/1304651/00cc0164cd639ddf.js | 130 KB | 105 KB (81%) | ✓ | 3rd |
| https://yandex.ru/ads/system/context.js | 105 KB | 54 KB (52%) | ✓ | 3rd |
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.98.0/core-en.js | 111 KB | 52 KB (48%) | ✓ | 3rd |
| https://mc.yandex.ru/metrika/tag.js | 85 KB | 43 KB (51%) | ✓ | 3rd |
| https://cdn.iubenda.com/cs/tcf/safe-tcf-v2.js | 60 KB | 32 KB (54%) | ✓ | 3rd |
| https://cdn1.img.sputnikglobe.com/min/js/libs/locale/int.js?9368eb6d5 | 1 KB | — | ✓ | 3rd |
| https://cdn.iubenda.com/cons/iubenda_cons/core-8bf1bb16c848c35a646951d6dc3df100.js | 9 KB | — | ✓ | 3rd |
| https://cdn1.img.sputnikglobe.com/min/js/libs/textstream.js?9a86f1aa8 | 4 KB | — | ✓ | 3rd |
| https://cdn1.img.sputnikglobe.com/min/js/pages/ria.cells.js?95ee5e2b6 | 3 KB | — | ✓ | 3rd |
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
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
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
FPage Weight InventoryAction116 resources · 2.2 MB · 418 KB savings availableFIX
~417.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 116 resources | 2.2 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction40 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
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
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
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
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+Font Loading5 fonts (237 KB)PASS
Web fonts
5
237 KB total
Render-blocking
0
of 5
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
Network Waterfall116 requests over 31626msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
cdn1.img.sputnikglobe.com cdn1.img.sputnikglobe.com | Other | 735ms | 40 KB | — | ₽264/mo | Costly |
a.sputniknews.com a.sputniknews.com | Other | 397ms | 19 KB | — | ₽142/mo | Costly |
Iubenda cdn.iubenda.com | Consent | 250ms | 111 KB | 48% | ₽90/mo | Essential |
sputnikglobe.com sputnikglobe.com | Other | 214ms | 30 KB | — | ₽77/mo | Costly |
Unattributable Unattributable | Other | 212ms | 0 KB | — | ₽76/mo | Costly |
Iubenda cdn.iubenda.com | Consent | 158ms | 2 KB | — | ₽57/mo | Essential |
yandex.ru yandex.ru | Other | 108ms | 105 KB | 52% | ₽39/mo | Optional |
mc.yandex.ru mc.yandex.ru | Other | 76ms | 85 KB | 51% | ₽27/mo | Optional |
cdn1.img.sputnikglobe.com cdn1.img.sputnikglobe.com | Other | 65ms | 244 KB | 56% | ₽23/mo | Optional |
These scripts may cost more than they're worth
- cdn1.img.sputnikglobe.com adds 735ms and costs ~₽264/month
- a.sputniknews.com adds 397ms and costs ~₽142/month
- sputnikglobe.com adds 214ms and costs ~₽77/month
- Unattributable adds 212ms and costs ~₽76/month
100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
cdn1.img.sputnikglobe.com takes 735ms 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
a.sputniknews.com takes 397ms 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
sputnikglobe.com takes 214ms 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
Unattributable takes 212ms 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
52% of 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
51% 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
56% of cdn1.img.sputnikglobe.com'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