Performance
· 23 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.
895 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
6.67 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
4 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.226
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.91 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.
6.71 s
Page Load Progression
FPage Weight BudgetAction12.7 MB transferred, 89 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
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction27 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
BJS Execution Cost846ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://romanaedile.com/ | 433ms | 12ms | 3ms | 1st |
| Unattributable | 138ms | 2ms | 0ms | 1st |
| https://romanaedile.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 103ms | 62ms | 2ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-T53QKZGW | 90ms | 75ms | 13ms | 3rd |
| https://romanaedile.com/wp-content/themes/spyro/js/vendor/flickity.js?ver=1.1.4 | 83ms | 23ms | 1ms | 1st |
CJS BundlesAction38 scripts, 278 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=GT-T53QKZGW&cx=c>m=4e6aj0 | 191 KB | 129 KB (68%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=GT-T53QKZGW | 191 KB | 78 KB (41%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-NTGC9VQX | 116 KB | 70 KB (61%) | ✓ | 3rd |
| https://romanaedile.com/wp-content/plugins/tatsu/public/js/tatsu-header.min.js?ver=3.5.2 | 3 KB | — | ✓ | 1st |
| https://romanaedile.com/wp-content/plugins/cookie-notice/js/front.min.js?ver=3.1.17 | 2 KB | — | ✓ | 1st |
| https://romanaedile.com/wp-content/themes/spyro/js/vendor/modernizr.js?ver=6.8.2 | 6 KB | — | ✓ | 1st |
| blob:https://romanaedile.com/69f191be-80d2-4e50-bc75-b8730d93ba2a | -0 KB | — | ✓ | 3rd |
| https://romanaedile.com/wp-content/plugins/be-gdpr/public/js/magnificpopup.min.js?ver%5B0%5D=jquery | 7 KB | — | ✓ | 1st |
| https://romanaedile.com/wp-content/plugins/be-grid/js/vendor/asyncloader.min.js?ver=1.2.9 | 0 KB | — | ✓ | 1st |
| https://romanaedile.com/wp-content/plugins/be-grid/js/helpers.min.js?ver=1.2.9 | 1 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
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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction89 resources · 12.7 MB · 278 KB savings availableREVIEW
~278.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 89 resources | 12.7 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact5% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading2 fonts (117 KB)PASS
Web fonts
2
117 KB total
Render-blocking
0
of 2
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 ~26 KB and ~52 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
AAsset Compression1 of 1 asset host still on gzipPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
Network Waterfall89 requests over 2453msINFO
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 | 90ms | 191 KB | 41% | €0/mo | Optional |
Image Optimization33 images, 10661 KB total, 4126 KB wastedINFO
Image Optimization Audit
Total Images
33
Total Size
10661 KB
Oversized
15
Wasted
4126 KB