Performance
· 26 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.
4.27 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.34 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
121 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.
8.99 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.
22.35 s
Page Load Progression
FPage Weight BudgetAction5.2 MB transferred, 115 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
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
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.
Source: web.dev
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
DJS Execution CostAction3273ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.splsezzespa.it/it-IT/ | 1803ms | 20ms | 23ms | 3rd |
| Unattributable | 953ms | 11ms | 0ms | 1st |
| https://c0.wp.com/c/7.0.1/wp-includes/js/jquery/jquery.min.js | 280ms | 244ms | 9ms | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/js/section-frontend-handlers.d85ab872da118940910d.bundle.min.js | 90ms | 72ms | 1ms | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/js/shared-frontend-handlers.03caa53373b56d3bab67.bundle.min.js | 90ms | 73ms | 4ms | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/js/frontend-modules.min.js?ver=4.1.4 | 57ms | 46ms | 8ms | 3rd |
DPage Weight InventoryAction115 resources · 5.2 MB · 200 KB savings availableFIX
~199.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 115 resources | 5.2 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction22 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
CJS BundlesAction39 scripts, 200 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/lib/swiper/v8/swiper.min.js?ver=8.4.5 | 140 KB | 136 KB (97%) | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/vendors/flickity.pkgd.min.js?ver=4.1.6 | 56 KB | 40 KB (71%) | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/js/frontend-modules.min.js?ver=4.1.4 | 50 KB | 24 KB (49%) | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/plugins/elementor/assets/js/frontend.min.js?ver=4.1.4 | 32 KB | — | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/theme.min.js?ver=4.1.6 | 19 KB | — | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/drop-down-mobile-menu.min.js?ver=4.1.6 | 14 KB | — | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/drop-down-search.min.js?ver=4.1.6 | 8 KB | — | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/vendors/magnific-popup.min.js?ver=4.1.6 | 21 KB | — | ✓ | 3rd |
| https://www.splsezzespa.it/it-IT/wp-content/themes/oceanwp/assets/js/ow-lightbox.min.js?ver=4.1.6 | 4 KB | — | ✓ | 3rd |
| https://c0.wp.com/c/7.0.1/wp-includes/js/imagesloaded.min.js | 2 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
CCompression AlgorithmActionMain response served uncompressedREVIEW
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BJavaScript Blocking1 JS blocking issue(s) detectedREVIEW
A+Text CompressionAll text resources are compressedPASS
A+Font Loading5 fonts (259 KB)PASS
Web fonts
5
259 KB total
Render-blocking
0
of 5
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+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+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence1 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
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Aruba.it
Network Waterfall115 requests over 5913msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
www.splsezzespa.it www.splsezzespa.it | Other | 1803ms | 24 KB | — | €10/mo | Costly |
c0.wp.com c0.wp.com | Other | 280ms | 31 KB | — | €1/mo | Costly |
www.splsezzespa.it www.splsezzespa.it | Other | 90ms | 1 KB | — | €0/mo | Optional |
www.splsezzespa.it www.splsezzespa.it | Other | 90ms | 8 KB | — | €0/mo | Optional |
www.splsezzespa.it www.splsezzespa.it | Other | 57ms | 50 KB | 49% | €0/mo | Optional |
These scripts may cost more than they're worth
- www.splsezzespa.it adds 1803ms and costs ~€10/month
- c0.wp.com adds 280ms and costs ~€1/month
71% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
www.splsezzespa.it takes 1803ms 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
c0.wp.com takes 280ms 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 Optimization25 images, 1935 KB total, 1506 KB wastedINFO
Image Optimization Audit
Total Images
25
Total Size
1935 KB
Oversized
4
Wasted
1506 KB