Performance
· 27 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.
3.73 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.85 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
180 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.
5.28 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.
5.93 s
Page Load Progression
DThird-Party ImpactAction81% third-party, 0 ms blockingFIX
DHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction21 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
CJS Execution CostAction1374ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://static.tildacdn.com/js/tilda-scripts-3.0.min.js | 550ms | 105ms | 3ms | 3rd |
| https://sert-nfpmk.ru/ | 536ms | 60ms | 20ms | 1st |
| Unattributable | 289ms | 6ms | 0ms | 1st |
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Page Weight Budget559 KB transferred, 64 requestsPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (45 KB)PASS
Web fonts
4
45 KB total
Render-blocking
0
of 4
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 Bundles19 scripts, 48 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://static.tildacdn.com/js/tilda-forms-1.0.min.js | 32 KB | 28 KB (88%) | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-animation-2.0.min.js | 23 KB | 21 KB (88%) | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-zero-1.1.min.js | 14 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-cards-1.0.min.js | 1 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-lazyload-1.0.min.js | 8 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-scripts-3.0.min.js | 8 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-menu-1.0.min.js | 4 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-cover-1.0.min.js | 5 KB | — | ✓ | 3rd |
| https://neo.tildacdn.com/js/tilda-fallback-1.0.min.js | 1 KB | — | ✓ | 3rd |
| https://static.tildacdn.com/js/tilda-paint-icons.min.js | 16 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
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints3 hints, 0 missing preconnectsPASS
Current Resource Hints
3 resource hints configured
AAsset Compression1 of 1 asset host still on gzipPASS
A+LCP Image PreloadLCP preload audit not availablePASS
AServer Response Intelligence2 server-response signal(s) detectedPASS
APage Weight Inventory64 resources · 559 KB · 48 KB savings availablePASS
~48.2 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 64 resources | 559.4 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
Network Waterfall64 requests over 3163msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
static.tildacdn.com static.tildacdn.com | Other | 550ms | 8 KB | — | ₽163/mo | Costly |
These scripts may cost more than they're worth
- static.tildacdn.com adds 550ms and costs ~₽163/month
static.tildacdn.com takes 550ms 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
Image Optimization3 images, 0 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
3
Total Size
0 KB
Oversized
1