Performance
· 28 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.
2.82 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.10 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
2.27 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.128
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.49 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.
11.50 s
Page Load Progression
FJS Execution CostAction7070ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://coachmentor.ru/ | 3349ms | 1929ms | 14ms | 1st |
| https://mc.yandex.ru/metrika/tag.js | 1484ms | 1195ms | 175ms | 3rd |
| Unattributable | 823ms | 63ms | 0ms | 1st |
| https://sologpt.ru/integrations/assotsitsija_nfpmk_nfpmk/prodstate/sologpt.iife.js | 514ms | 328ms | 50ms | 3rd |
| https://coachmentor.ru/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 370ms | 303ms | 13ms | 1st |
| https://coachmentor.ru/wp-content/cache/autoptimize/js/autoptimize_b2148331f8622fdd799d20a8ce571edf.js | 226ms | 137ms | 42ms | 1st |
| https://fd.cleantalk.org/2.1.8/ct-bot-detector.min.js | 129ms | 100ms | 6ms | 3rd |
| https://mc.yandex.com/metrika-tags/_/tag_ec.js | 115ms | 87ms | 18ms | 3rd |
| https://coachmentor.ru/wp-includes/js/wp-emoji-release.min.js?ver=7.1 | 59ms | 56ms | 3ms | 1st |
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CPage Weight BudgetAction1.6 MB transferred, 57 requestsREVIEW
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
CImage OptimizationAction16 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.
Performance issues directly impact user engagement and conversion rates.
CJS BundlesAction10 scripts, 160 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://coachmentor.ru/wp-content/cache/autoptimize/js/autoptimize_b2148331f8622fdd799d20a8ce571edf.js | 95 KB | 64 KB (68%) | ✓ | 1st |
| https://mc.yandex.ru/metrika/tag.js | 90 KB | 45 KB (51%) | ✓ | 3rd |
| https://sologpt.ru/integrations/assotsitsija_nfpmk_nfpmk/prodstate/sologpt.iife.js | 73 KB | 30 KB (42%) | ✓ | 3rd |
| https://coachmentor.ru/wp-content/themes/nfpmk/assets/js/jquery.inputmask.min.js | 31 KB | 20 KB (67%) | ✓ | 1st |
| https://coachmentor.ru/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 30 KB | — | ✓ | 1st |
| https://fd.cleantalk.org/ct-bot-detector-wrapper.js?ver=6.79.1 | 1 KB | — | ✓ | 3rd |
| blob:https://coachmentor.ru/e9d821a1-543c-4ec2-9332-e0b801b243ec | -0 KB | — | ✓ | 3rd |
| https://fd.cleantalk.org/2.1.8/ct-bot-detector.min.js | 8 KB | — | ✓ | 3rd |
| https://coachmentor.ru/wp-includes/js/wp-emoji-release.min.js?ver=7.1 | 5 KB | — | ✓ | 1st |
| https://mc.yandex.com/metrika-tags/_/tag_ec.js | 26 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
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
CPage Weight InventoryAction57 resources · 1.6 MB · 160 KB savings availableREVIEW
~160.3 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 57 resources | 1.6 MiB | ||||||
BJavaScript Blocking2 JS blocking issue(s) detectedREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
AThird-Party Impact21% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (258 KB)PASS
Web fonts
4
258 KB total
Render-blocking
0
of 4
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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)
Fixing the unchecked items could save ~55 KB and ~110 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints1 hints, 0 missing preconnectsPASS
Current Resource Hints
1 resource hints configured
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall57 requests over 5502msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
mc.yandex.ru mc.yandex.ru | Other | 1484ms | 90 KB | 51% | ₽439/mo | Costly |
sologpt.ru sologpt.ru | Other | 514ms | 73 KB | 42% | ₽152/mo | Costly |
fd.cleantalk.org fd.cleantalk.org | Other | 129ms | 8 KB | — | ₽38/mo | Optional |
mc.yandex.com mc.yandex.com | Other | 115ms | 26 KB | — | ₽34/mo | Optional |
These scripts may cost more than they're worth
- mc.yandex.ru adds 1484ms and costs ~₽439/month
- sologpt.ru adds 514ms and costs ~₽152/month
mc.yandex.ru takes 1484ms 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
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
sologpt.ru takes 514ms 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
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-08-17 — 2026-09-13)
LCP (p75)
1525 ms
88% good
INP (p75)
0 ms
0% good
CLS (p75)
0.040
95% good
FCP (p75)
1448 ms
TTFB (p75)
1063 ms
Image Optimization25 images, 271 KB total, 126 KB wastedINFO
Image Optimization Audit
Total Images
25
Total Size
271 KB
Oversized
2
Wasted
126 KB