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.
2.87 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
46.71 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
315 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.123
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
11.07 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.
47.84 s
Page Load Progression
FPage Weight BudgetAction10.9 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
DJS Execution CostAction3381ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://romanaedile.com/ | 1530ms | 26ms | 8ms | 1st |
| Unattributable | 521ms | 8ms | 0ms | 1st |
| https://romanaedile.com/wp-content/themes/spyro/js/vendor/flickity.js?ver=1.1.4 | 407ms | 139ms | 6ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-T53QKZGW | 401ms | 347ms | 46ms | 3rd |
| https://romanaedile.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 242ms | 150ms | 8ms | 1st |
| https://www.googletagmanager.com/gtm.js?id=GTM-NTGC9VQX | 116ms | 78ms | 37ms | 3rd |
| https://romanaedile.com/wp-content/themes/spyro/js/vendor/modernizr.js?ver=6.8.2 | 92ms | 43ms | 4ms | 1st |
| https://romanaedile.com/wp-content/plugins/tatsu/public/js/tatsu-header.min.js?ver=3.5.2 | 71ms | 51ms | 1ms | 1st |
DJS BundlesAction37 scripts, 150 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=GT-T53QKZGW | 191 KB | 77 KB (40%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-NTGC9VQX | 116 KB | 73 KB (63%) | ✓ | 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/themes/spyro/js/main.js?ver=1.1.4 | 7 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/plugins/tatsu/includes/typehub/public/js/webfont.min.js?ver=6.8.2 | 5 KB | — | ✓ | 1st |
| https://romanaedile.com/wp-content/themes/spyro/js/vendor/modernizr.js?ver=6.8.2 | 6 KB | — | ✓ | 1st |
| 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
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction28 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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction89 resources · 10.9 MB · 150 KB savings availableREVIEW
~150.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 89 resources | 10.9 MiB | ||||||
BJavaScript Blocking1 JS blocking issue(s) detectedREVIEW
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 Hints2 hints, 0 missing preconnectsPASS
Current Resource Hints
2 resource hints configured
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
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
Network Waterfall89 requests over 3720msINFO
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 | 401ms | 191 KB | 40% | €2/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 116ms | 116 KB | 63% | €1/mo | Optional |
These scripts may cost more than they're worth
- Google Tag Manager adds 401ms and costs ~€2/month
Google Tag Manager takes 401ms 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
63% of Google Tag Manager'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
Image Optimization33 images, 10661 KB total, 4126 KB wastedINFO
Image Optimization Audit
Total Images
33
Total Size
10661 KB
Oversized
15
Wasted
4126 KB