Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
C
Image Optimization
Action
44 images, 0 KB saveable
REVIEW
44 images, 0 KB saveable
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/professio... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/professio... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/master/Lo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/fiat2023/cross/mod... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.fiat.it/content/dam/cps/fiat/it-it/Pro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
44images8.9 MB
0oversized-0 KB
42legacy format
32missing dimensionsCLS risk
Set explicit width and height to prevent CLS.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
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.
Why this matters
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
i
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
C
Compression Algorithm
Action
Main response served uncompressed
REVIEW
Main response served uncompressed
Info::
i
Main HTML response has no Content-Encoding (uncompressed)
The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
i
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
i
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
B
JavaScript Blocking
2 JS blocking issue(s) detected
REVIEW
2 JS blocking issue(s) detected
Warning::
!
6 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
Warning::
!
Total JS execution time is 15.2 s -- over the 3.5s budget
Total JavaScript execution (parse + compile + run) across all scripts exceeds 3.5 seconds. On low-end devices that becomes 7-15+ seconds and shows up directly in TBT and INP. Reduce by: tree-shaking unused dependencies, code-splitting (dynamic `import()`), removing or deferring third-party tracking, and replacing heavy frameworks where they're not needed.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW
Green Hosting
No green hosting detected
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
✓
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
12 fonts (785 KB)
PASS
12 fonts (785 KB)
Info::
i
12 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
12
785 KB total
Render-blocking
0
of 12
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
Poppins-Bold.ttfttfswap
Size65 KB
Load time66 ms
Start1.0 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
icons.woff2woff2swap
Size111 KB
Load time129 ms
Start1.0 s
RiskFOUT — text flashes from fallback to web font
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
pxiByp8kv8JHgFVrLCz7Z1x...woff2swap
Size8 KB
Load time35 ms
Start1.1 s
RiskFOUT — text flashes from fallback to web font
pxiEyp8kv8JHgFVrJJfecnF...woff2swap
Size8 KB
Load time37 ms
Start1.1 s
RiskFOUT — text flashes from fallback to web font
PSAGroupeHMISans-Regula...woffswap
Size117 KB
Load time59 ms
Start1.1 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
PSAGroupeHMISans-Regula...ttfswap
Size108 KB
Load time92 ms
Start1.1 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
fiat-2023.ttfttfswap
Size80 KB
Load time42 ms
Start1.9 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size34 KB
Load time55 ms
Start2.1 s
RiskFOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size0 KB
Load time0 ms
Start2.2 s
RiskFOUT — text flashes from fallback to web font
PSAGroupeHMISans-Bold.woffwoffswap
Size116 KB
Load time57 ms
Start2.9 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
Stellantis_Icons.ttfttfswap
Size131 KB
Load time80 ms
Start3.0 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
pxiGyp8kv8JHgFVrJJLucHt...woff2swap
Size8 KB
Load time7 ms
Start5.9 s
RiskFOUT — text flashes from fallback to web font
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 ~476 KB and ~952 ms
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
✓
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
✓
No render-blocking resources detected
A
Resource Hints
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Warning::
!
1 preload hint(s) missing `as` attribute
Browsers ignore or refetch preloads without an `as` attribute -- the preload effort is wasted. Sample: https://cookielaw.emea.fcagroup.com/CookieLawProduct/resources/generatecss?key=3418. Add the right `as` value (e.g., `as="font"`, `as="image"`, `as="script"`) on each.
Info::
✓
Page uses 1 resource hint(s)
Current Resource Hints
preconnect—
preload
1
dns-prefetch—
prefetch—
1 resource hints configured
Browsers ignore or refetch preloads without an `as` attribute -- the preload effort is wasted. Sample: https://cookielaw.emea.fcagroup.com/CookieLawProduct/resources/generatecss?key=3418. Add the right `as` value (e.g., `as="font"`, `as="image"`, `as="script"`) on each.
Why this matters
Performance issues directly impact user engagement and conversion rates.
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
✓
LCP image preload audit not available for this scan
A+
Server Response Intelligence
1 server-response signal(s) detected
PASS
1 server-response signal(s) detected
Info::
i
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
Each `<link rel="stylesheet">` without a non-blocking `media` attribute holds up the first paint. Browsers download all of them before painting any content. Consolidate into 1-2 critical-path stylesheets; defer non-critical CSS via `<link rel="stylesheet" media="print" onload="this.media='all'">` or via the loadCSS pattern; inline above-the-fold CSS in `<style>` to short-circuit the request entirely.
Network Waterfall
184 requests over 7543ms
INFO
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
88%of JavaScript execution is third-party
First-party Third-party13345ms · 1800KB · €145/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
www.fiat.it
www.fiat.it
Other
2826ms
56 KB
—
€31/mo
Costly
webmessenger.ekonsilio.io
webmessenger.ekonsilio.io
Other
1399ms
54 KB
—
€15/mo
Costly
www.fiat.it
www.fiat.it
Other
1185ms
41 KB
—
€13/mo
Costly
www.fiat.it
www.fiat.it
Other
1108ms
50 KB
53%
€12/mo
Costly
www.fiat.it
www.fiat.it
Other
829ms
54 KB
—
€9/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
660ms
138 KB
44%
€7/mo
Costly
www.fiat.it
www.fiat.it
Other
658ms
4 KB
—
€7/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
490ms
131 KB
48%
€5/mo
Costly
st-eu.dynamicyield.com
st-eu.dynamicyield.com
Other
481ms
3 KB
—
€5/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
333ms
115 KB
59%
€4/mo
Costly
assets.adobedtm.com
assets.adobedtm.com
Other
308ms
70 KB
31%
€3/mo
Costly
www.fiat.it
www.fiat.it
Other
284ms
24 KB
—
€3/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
267ms
148 KB
45%
€3/mo
Costly
maps.googleapis.com
maps.googleapis.com
Other
265ms
100 KB
62%
€3/mo
Costly
cdn-eu.dynamicyield.com
cdn-eu.dynamicyield.com
Other
216ms
110 KB
—
€2/mo
Costly
www.fiat.it
www.fiat.it
Other
205ms
21 KB
—
€2/mo
Costly
webmessenger.ekonsilio.io
webmessenger.ekonsilio.io
Other
195ms
73 KB
46%
€2/mo
Optional
www.fiat.it
www.fiat.it
Other
175ms
89 KB
47%
€2/mo
Optional
www.fiat.it
www.fiat.it
Other
164ms
3 KB
—
€2/mo
Optional
www.fiat.it
www.fiat.it
Other
152ms
3 KB
—
€2/mo
Optional
cdn-eu.dynamicyield.com
cdn-eu.dynamicyield.com
Other
140ms
105 KB
64%
€2/mo
Optional
www.fiat.it
www.fiat.it
Other
118ms
50 KB
65%
€1/mo
Optional
www.fiat.it
www.fiat.it
Other
118ms
10 KB
—
€1/mo
Optional
webmessenger.ekonsilio.io
webmessenger.ekonsilio.io
Other
114ms
83 KB
39%
€1/mo
Optional
www.fiat.it
www.fiat.it
Other
108ms
89 KB
45%
€1/mo
Optional
www.fiat.it
www.fiat.it
Other
86ms
2 KB
—
€1/mo
Optional
maps.googleapis.com
maps.googleapis.com
Other
81ms
37 KB
74%
€1/mo
Optional
code.jquery.com
code.jquery.com
Other
69ms
31 KB
68%
€1/mo
Optional
livechat.ekonsilio.io
livechat.ekonsilio.io
Other
69ms
3 KB
—
€1/mo
Optional
maps.googleapis.com
maps.googleapis.com
Other
68ms
70 KB
37%
€1/mo
Optional
www.fiat.it
www.fiat.it
Other
64ms
4 KB
—
€1/mo
Optional
webmessenger.ekonsilio.io
webmessenger.ekonsilio.io
Other
57ms
1 KB
—
€1/mo
Optional
www.fiat.it
www.fiat.it
Other
55ms
31 KB
—
€1/mo
Optional
www.fiat.it
Other
Costly
Execution2826ms
Transfer56 KB
Monthly Cost€31/mo
webmessenger.ekonsilio.io
Other
Costly
Execution1399ms
Transfer54 KB
Monthly Cost€15/mo
www.fiat.it
Other
Costly
Execution1185ms
Transfer41 KB
Monthly Cost€13/mo
www.fiat.it
Other
Costly
Execution1108ms
Transfer50 KB
Unused53%
Monthly Cost€12/mo
www.fiat.it
Other
Costly
Execution829ms
Transfer54 KB
Monthly Cost€9/mo
Google Tag Manager
Tag Manager
Costly
Execution660ms
Transfer138 KB
Unused44%
Monthly Cost€7/mo
www.fiat.it
Other
Costly
Execution658ms
Transfer4 KB
Monthly Cost€7/mo
Google Tag Manager
Tag Manager
Costly
Execution490ms
Transfer131 KB
Unused48%
Monthly Cost€5/mo
st-eu.dynamicyield.com
Other
Costly
Execution481ms
Transfer3 KB
Monthly Cost€5/mo
Google Tag Manager
Tag Manager
Costly
Execution333ms
Transfer115 KB
Unused59%
Monthly Cost€4/mo
assets.adobedtm.com
Other
Costly
Execution308ms
Transfer70 KB
Unused31%
Monthly Cost€3/mo
www.fiat.it
Other
Costly
Execution284ms
Transfer24 KB
Monthly Cost€3/mo
Google Tag Manager
Tag Manager
Costly
Execution267ms
Transfer148 KB
Unused45%
Monthly Cost€3/mo
maps.googleapis.com
Other
Costly
Execution265ms
Transfer100 KB
Unused62%
Monthly Cost€3/mo
cdn-eu.dynamicyield.com
Other
Costly
Execution216ms
Transfer110 KB
Monthly Cost€2/mo
www.fiat.it
Other
Costly
Execution205ms
Transfer21 KB
Monthly Cost€2/mo
webmessenger.ekonsilio.io
Other
Optional
Execution195ms
Transfer73 KB
Unused46%
Monthly Cost€2/mo
www.fiat.it
Other
Optional
Execution175ms
Transfer89 KB
Unused47%
Monthly Cost€2/mo
www.fiat.it
Other
Optional
Execution164ms
Transfer3 KB
Monthly Cost€2/mo
www.fiat.it
Other
Optional
Execution152ms
Transfer3 KB
Monthly Cost€2/mo
cdn-eu.dynamicyield.com
Other
Optional
Execution140ms
Transfer105 KB
Unused64%
Monthly Cost€2/mo
www.fiat.it
Other
Optional
Execution118ms
Transfer50 KB
Unused65%
Monthly Cost€1/mo
www.fiat.it
Other
Optional
Execution118ms
Transfer10 KB
Monthly Cost€1/mo
webmessenger.ekonsilio.io
Other
Optional
Execution114ms
Transfer83 KB
Unused39%
Monthly Cost€1/mo
www.fiat.it
Other
Optional
Execution108ms
Transfer89 KB
Unused45%
Monthly Cost€1/mo
www.fiat.it
Other
Optional
Execution86ms
Transfer2 KB
Monthly Cost€1/mo
maps.googleapis.com
Other
Optional
Execution81ms
Transfer37 KB
Unused74%
Monthly Cost€1/mo
code.jquery.com
Other
Optional
Execution69ms
Transfer31 KB
Unused68%
Monthly Cost€1/mo
livechat.ekonsilio.io
Other
Optional
Execution69ms
Transfer3 KB
Monthly Cost€1/mo
maps.googleapis.com
Other
Optional
Execution68ms
Transfer70 KB
Unused37%
Monthly Cost€1/mo
www.fiat.it
Other
Optional
Execution64ms
Transfer4 KB
Monthly Cost€1/mo
webmessenger.ekonsilio.io
Other
Optional
Execution57ms
Transfer1 KB
Monthly Cost€1/mo
www.fiat.it
Other
Optional
Execution55ms
Transfer31 KB
Monthly Cost€1/mo
These scripts may cost more than they're worth
www.fiat.it adds 2826ms and costs ~€31/month
webmessenger.ekonsilio.io adds 1399ms and costs ~€15/month
www.fiat.it adds 1185ms and costs ~€13/month
www.fiat.it adds 1108ms and costs ~€12/month
www.fiat.it adds 829ms and costs ~€9/month
Google Tag Manager adds 660ms and costs ~€7/month
www.fiat.it adds 658ms and costs ~€7/month
Google Tag Manager adds 490ms and costs ~€5/month
st-eu.dynamicyield.com adds 481ms and costs ~€5/month
Google Tag Manager adds 333ms and costs ~€4/month
assets.adobedtm.com adds 308ms and costs ~€3/month
www.fiat.it adds 284ms and costs ~€3/month
Google Tag Manager adds 267ms and costs ~€3/month
maps.googleapis.com adds 265ms and costs ~€3/month
cdn-eu.dynamicyield.com adds 216ms and costs ~€2/month
www.fiat.it adds 205ms and costs ~€2/month
88% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
Why this matters
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.fiat.it takes 2826ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
webmessenger.ekonsilio.io takes 1399ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.fiat.it takes 1185ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.fiat.it takes 1108ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
53% of www.fiat.it's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
www.fiat.it takes 829ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 660ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.fiat.it takes 658ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 490ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
st-eu.dynamicyield.com takes 481ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 333ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
59% of Google Tag Manager's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
assets.adobedtm.com takes 308ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.fiat.it takes 284ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 267ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
maps.googleapis.com takes 265ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
62% of maps.googleapis.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
cdn-eu.dynamicyield.com takes 216ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.fiat.it takes 205ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
64% of cdn-eu.dynamicyield.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
65% of www.fiat.it's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
74% of maps.googleapis.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
68% of code.jquery.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
817 ms
1.6 s
3.3 s
4.1 s
4.9 s
6.5 s