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.
2.48 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.15 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
302 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.058
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.33 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.
9.70 s
Page Load Progression
FPage Weight BudgetAction2.9 MB transferred, 72 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
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
FJS BundlesAction8 scripts, 552 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.gstatic.com/recaptcha/releases/NhfdZHzre16wrc2m6BxEdu7J/recaptcha__en.js | 348 KB | 248 KB (71%) | ✓ | 3rd |
| https://v2.zopim.com/w?69dFwXGJwc8PboqlfDmr5a5nTsOqt5ft | 208 KB | 179 KB (86%) | ✗ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-QHD6W2VE9Q | 183 KB | 73 KB (40%) | ✓ | 3rd |
| https://www.orthopedic-store.gr/themes/default-bootstrap/cache/v_261_c942928064ffcf0aa4fc45b3a87da2b5.js | 79 KB | 52 KB (66%) | ✓ | 1st |
| https://www.google.com/recaptcha/api.js | 1 KB | — | ✓ | 3rd |
| https://cdn.jsdelivr.net/gh/orestbida/cookieconsent@3.0.1/dist/cookieconsent.umd.js | 11 KB | — | ✓ | 3rd |
| https://static.zdassets.com/ekr/asset_composer.js | 5 KB | — | ✓ | 3rd |
| https://v2.zopim.com/lib/20260915.084851/__$$__stringtable_lang_el.js | 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
DPage Weight InventoryAction72 resources · 2.9 MB · 552 KB savings availableFIX
~551.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 72 resources | 2.9 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization51 images, 0 KB saveableREVIEW
CJS Execution CostAction1865ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.orthopedic-store.gr/ | 430ms | 22ms | 5ms | 1st |
| Unattributable | 429ms | 10ms | 0ms | 1st |
| https://www.orthopedic-store.gr/themes/default-bootstrap/cache/v_261_c942928064ffcf0aa4fc45b3a87da2b5.js | 278ms | 174ms | 28ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-QHD6W2VE9Q | 273ms | 234ms | 37ms | 3rd |
| https://v2.zopim.com/w?69dFwXGJwc8PboqlfDmr5a5nTsOqt5ft | 255ms | 153ms | 92ms | 3rd |
| https://www.gstatic.com/recaptcha/releases/NhfdZHzre16wrc2m6BxEdu7J/recaptcha__en.js | 147ms | 72ms | 74ms | 3rd |
| https://v2.zopim.com/?69dFwXGJwc8PboqlfDmr5a5nTsOqt5ft | 54ms | 39ms | 15ms | 3rd |
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
AThird-Party Impact29% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (188 KB)PASS
Web fonts
4
188 KB total
Render-blocking
0
of 4
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
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 ~25 KB and ~50 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Document CompressionDocument response uses brotliPASS
A+Asset CompressionAll 1 asset host use brotliPASS
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
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
Network Waterfall72 requests over 1988msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Google Tag Manager www.googletagmanager.com | Tag Manager | 273ms | 183 KB | 40% | €1/mo | Costly |
v2.zopim.com v2.zopim.com | Other | 255ms | 208 KB | 86% | €1/mo | Costly |
www.gstatic.com www.gstatic.com | Other | 147ms | 348 KB | 71% | €1/mo | Optional |
v2.zopim.com v2.zopim.com | Other | 54ms | 0 KB | — | €0/mo | Optional |
These scripts may cost more than they're worth
- Google Tag Manager adds 273ms and costs ~€1/month
- v2.zopim.com adds 255ms and costs ~€1/month
Google Tag Manager takes 273ms 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
v2.zopim.com takes 255ms 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
86% of v2.zopim.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
71% of www.gstatic.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
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-09-28 — 2026-10-25)
LCP (p75)
2409 ms
76% good
INP (p75)
106 ms
90% good
CLS (p75)
0.060
80% good
FCP (p75)
2327 ms
TTFB (p75)
1593 ms
Image Optimization90 images, 7950 KB total, 20 KB wastedINFO
Image Optimization Audit
Total Images
90
Total Size
7950 KB
Oversized
1
Wasted
20 KB