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https://paginegialle.it

Performance

· 26 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
79
GRADE
C
FIX
6
REVIEW
6
PASS
11
INFO
3

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
46
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
68
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
92
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
83
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

6.29 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

16.87 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

477 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.

7.58 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.

17.00 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
26
11 PASS 6 REVIEW 6 FIX
D
Page Weight Budget
Action
2.3 MB transferred, 61 requests
FIX
2.3 MB transferred, 61 requests
Info::
Page weighs 5.9 MB (2.3 MB transferred)
Warning::
JavaScript is 921 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 921 KB
Info::
Fonts are 408 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 408 KB
Info::
61 HTTP requests
Info::
Estimated 0.48 g CO2 per page load
2.3 MB / 2.4 MB budget
2.3 MB transferred
61 requests
0.48 g CO2 per page load
JavaScript 921.5 KiB 39%
Images 682.9 KiB 29%
Fonts 407.7 KiB 17%
Other 172.7 KiB 7%
Other 114.4 KiB 5%
HTML 26.5 KiB 1%
CSS 17.2 KiB 1%
Other 962 B 0%
0 2.4 MB 4.9 MB
Approaching limit

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

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.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (2.3 MiB of 2.3 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2499ms total JS execution
FIX
2499ms total JS execution
Warning::
https://www.paginegialle.it/: 433ms CPU time
Warning::
https://cdn.iubenda.com/cookie_solution/iubenda_cs...: 398ms CPU time
Warning::
Unattributable: 365ms CPU time
Info::
https://www.paginegialle.it/static/scripts/homepag...: 237ms CPU time
Info::
https://c76babb4-dc97-48b8-9b12-80b8b7deba04.edge....: 225ms CPU time
Warning::
Third-party scripts: 2134ms (85% of total)

Main Thread Breakdown

Script Evaluation 51% Other 19% Style & Layout 13% Script Parsing & Compilation 12%
ScriptTotalScriptingParse/CompileParty
https://www.paginegialle.it/433ms20ms6ms3rd
https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.101.0/core-it.js398ms290ms39ms3rd
Unattributable365ms12ms0ms1st
https://www.paginegialle.it/static/scripts/homepage-7.6.0.2.js237ms191ms23ms3rd
https://c76babb4-dc97-48b8-9b12-80b8b7deba04.edge.permutive.app/c76babb4-dc97-48b8-9b12-80b8b7deba04-web.js225ms122ms61ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202607070101/pubads_impl.js?cb=31099590216ms124ms48ms3rd
https://www.iolam.it/js/prebid.js145ms114ms30ms3rd
https://c.amazon-adsystem.com/aax2/apstag.js112ms74ms34ms3rd
https://www.paginegialle.it/static/scripts/src_main_resources_pg_scripts_search_searchbar_js-7.6.0.2.js87ms82ms2ms3rd
https://cdn.qwtag.com/97f2a049-4d4f-435b-9e27-4b01d746801e/qw.js81ms65ms15ms3rd

Showing top 10 of 13 scripts

D
JS Bundles
Action
28 scripts, 446 KB unused
FIX
28 scripts, 446 KB unused
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 145 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.iolam.it/js/prebid.js: 90 KB unused (78%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://c.amazon-adsystem.com/aax2/apstag.js: 59 KB unused (64%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.iubenda.com/cookie_solution/iubenda_cs...: 56 KB unused (50%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://c76babb4-dc97-48b8-9b12-80b8b7deba04.edge....: 40 KB unused (26%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 446 KB
446 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202607070101/pubads_impl.js?cb=31099590192 KB145 KB (76%)✓3rd
https://www.iolam.it/js/prebid.js115 KB90 KB (78%)✓3rd
https://c.amazon-adsystem.com/aax2/apstag.js92 KB59 KB (64%)✓3rd
https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.101.0/core-it.js112 KB56 KB (50%)✓3rd
https://c76babb4-dc97-48b8-9b12-80b8b7deba04.edge.permutive.app/c76babb4-dc97-48b8-9b12-80b8b7deba04-web.js157 KB40 KB (26%)✓3rd
https://www.paginegialle.it/static/scripts/homepage-7.6.0.2.js55 KB29 KB (52%)✓3rd
https://www.iolam.it/js/iam2.0.js?ns=paginegialle/web/home/1.436 KB27 KB (77%)✓3rd
https://services.tuttocitta.it/lbs?&callback=jQuery36001495123316218646_1783668355691&st=it&lg=ita&sito=ac_api&opentipo=2&nresout=1&nresac=1&dv=Roma&_=17836683556921 KB—✓3rd
https://www.paginegialle.it/static/scripts/listing-7.6.0.2.js133 KB—✓3rd
https://www.paginegialle.it/static/scripts/src_main_resources_common_components_global_modals_modalOverlay_style_scss-7.6.0.2.js0 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

F
Page Weight Inventory
Action
61 resources · 2.3 MB · 446 KB savings available
FIX
61 resources · 2.3 MB · 446 KB savings available
Warning::
Page weight 2.3 MB exceeds 1 MB target by 1.3 MB
Got: 2.3 MB Expected: ≤ 1 MB
Info::
~446 KB of savings available
Warning::
60 third-party resources (100% of weight)
61 resources · 2.3 MiB · 60 third-party 1.3 MiB over 1MB target
JavaScript 45% · 1.0 MiB
Image 30% · 699.0 KiB
Font 17% · 407.7 KiB
Other 6% · 134.3 KiB
Document 1% · 27.7 KiB
CSS 1% · 17.2 KiB

~445.7 KiB of savings available

Remove unused JavaScript: 445.7 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
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
11 images, 0 KB saveable
REVIEW
11 images, 0 KB saveable
Warning::
https://www.paginegialle.it/static/common/images/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/images/serramen... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/images/antifurt... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/common/images/g... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/common/images/a... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/images/foto_new... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/images/pulizia_... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.paginegialle.it/static/images/trasloch... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
11 images 683 KB
0 oversized -0 KB
11 legacy format
8 missing dimensions CLS 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

B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
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::
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::
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::
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.
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
4 fonts (408 KB)
PASS
4 fonts (408 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

408 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s FCP 6.3 s LCP 16.9 shttps://www.paginegialle.it/static/font/Montserrat-Regular.woff2Montserrat-Regular.woff2 https://www.paginegialle.it/static/font/Montserrat-Regular.woff2 — 101.1 KiB — 79 ms — font-display: swaphttps://www.paginegialle.it/static/font/Montserrat-SemiBold.woff2Montserrat-SemiBold.woff2 https://www.paginegialle.it/static/font/Montserrat-SemiBold.woff2 — 102.0 KiB — 106 ms — font-display: swaphttps://www.paginegialle.it/static/font/Montserrat-Bold.woff2Montserrat-Bold.woff2 https://www.paginegialle.it/static/font/Montserrat-Bold.woff2 — 103.2 KiB — 123 ms — font-display: swaphttps://www.paginegialle.it/static/font/Montserrat-Medium.woff2Montserrat-Medium.woff2 https://www.paginegialle.it/static/font/Montserrat-Medium.woff2 — 101.4 KiB — 143 ms — font-display: swap
Montserrat-Regular.woff2 woff2 swap
Size 101 KB
Load time 79 ms
Start 237 ms
Risk FOUT — 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
Montserrat-SemiBold.woff2 woff2 swap
Size 102 KB
Load time 106 ms
Start 239 ms
Risk FOUT — 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
Montserrat-Bold.woff2 woff2 swap
Size 103 KB
Load time 123 ms
Start 240 ms
Risk FOUT — 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
Montserrat-Medium.woff2 woff2 swap
Size 101 KB
Load time 143 ms
Start 240 ms
Risk FOUT — 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
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 ~204 KB and ~408 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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::
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.
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A
JavaScript Blocking
1 JS blocking issue(s) detected
PASS
1 JS blocking issue(s) detected
Warning::
1 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.
A+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
No CSS performance depth issues detected
Network Waterfall
61 requests over 3275ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s FCP 6.3 s LCP 16.9 shttps://paginegialle.it// https://paginegialle.it/ — 301 — 244 B — 99 ms — h2https://www.paginegialle.it/www.paginegialle.it/ https://www.paginegialle.it/ — 200 — 26.5 KiB — 128 ms — h2https://www.paginegialle.it/static/font/Montserrat-Regular.woff2www.paginegialle.it/static/font/Mon... https://www.paginegialle.it/static/font/Montserrat-Regular.woff2 — 200 — 101.1 KiB — 79 ms — h2https://www.paginegialle.it/static/font/Montserrat-SemiBold.woff2www.paginegialle.it/static/font/Mon... https://www.paginegialle.it/static/font/Montserrat-SemiBold.woff2 — 200 — 102.0 KiB — 106 ms — h2https://www.paginegialle.it/static/font/Montserrat-Bold.woff2www.paginegialle.it/static/font/Mon... https://www.paginegialle.it/static/font/Montserrat-Bold.woff2 — 200 — 103.2 KiB — 123 ms — h2https://www.paginegialle.it/static/font/Montserrat-Medium.woff2www.paginegialle.it/static/font/Mon... https://www.paginegialle.it/static/font/Montserrat-Medium.woff2 — 200 — 101.4 KiB — 143 ms — h2https://www.paginegialle.it/static/css/homepage-7.6.0.2.csswww.paginegialle.it/static/css/home... https://www.paginegialle.it/static/css/homepage-7.6.0.2.css — 200 — 13.3 KiB — 82 ms — h2https://www.paginegialle.it/static/common/images/centenario_380x350.pngwww.paginegialle.it/static/common/i... https://www.paginegialle.it/static/common/images/centenario_380x350.png — 200 — 105.1 KiB — 133 ms — h2https://www.paginegialle.it/static/images/foto_new_cell_desk.pngwww.paginegialle.it/static/images/f... https://www.paginegialle.it/static/images/foto_new_cell_desk.png — 200 — 34.9 KiB — 144 ms — h2https://www.paginegialle.it/static/images/serramenti_367x206.pngwww.paginegialle.it/static/images/s... https://www.paginegialle.it/static/images/serramenti_367x206.png — 200 — 92.3 KiB — 146 ms — h2https://www.paginegialle.it/static/images/pulizia_367x206.pngwww.paginegialle.it/static/images/p... https://www.paginegialle.it/static/images/pulizia_367x206.png — 200 — 98.3 KiB — 150 ms — h2https://www.paginegialle.it/static/images/antifurti_367x206.pngwww.paginegialle.it/static/images/a... https://www.paginegialle.it/static/images/antifurti_367x206.png — 200 — 84.2 KiB — 165 ms — h2https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.jsajax.googleapis.com/ajax/libs/jquer... https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js — 200 — 30.9 KiB — 626 ms — h2https://www.paginegialle.it/static/scripts/compact.js?files=https://i.plug.it/cmp/iub_conf_paginegialle.js,https://cdn.iubenda.com/cs/tcf/stub-v2.js,https://cdn.iubenda.com/cs/iubenda_cs.js,https://i.plug.it/cmp/qciol.min.js&v=7.6.0.2www.paginegialle.it/static/scripts/... https://www.paginegialle.it/static/scripts/compact.js?files=https://i.plug.it/cmp/iub_conf_paginegialle.js,https://cdn.iubenda.com/cs/tcf/stub-v2.js,https://cdn.iubenda.com/cs/iubenda_cs.js,https://i.plug.it/cmp/qciol.min.js&v=7.6.0.2 — 200 — 8.1 KiB — 154 ms — h2https://www.paginegialle.it/static/scripts/thirdparty/iub_conf_custom.js?v=7.6.0.2www.paginegialle.it/static/scripts/... https://www.paginegialle.it/static/scripts/thirdparty/iub_conf_custom.js?v=7.6.0.2 — 200 — 727 B — 161 ms — h2https://www.paginegialle.it/static/scripts/homepage-7.6.0.2.jswww.paginegialle.it/static/scripts/... https://www.paginegialle.it/static/scripts/homepage-7.6.0.2.js — 200 — 55.0 KiB — 169 ms — h2https://www.paginegialle.it/static/images/traslochi_nazionali_367x206.pngwww.paginegialle.it/static/images/t... https://www.paginegialle.it/static/images/traslochi_nazionali_367x206.png — 200 — 108.7 KiB — 173 ms — h2https://www.paginegialle.it/static/common/images/google-play-badge.pngwww.paginegialle.it/static/common/i... https://www.paginegialle.it/static/common/images/google-play-badge.png — 200 — 5.2 KiB — 167 ms — h2https://www.paginegialle.it/static/common/images/apple-badge.pngwww.paginegialle.it/static/common/i... https://www.paginegialle.it/static/common/images/apple-badge.png — 200 — 2.7 KiB — 167 ms — h2https://www.paginegialle.it/static/scripts/listing-7.6.0.2.jswww.paginegialle.it/static/scripts/... https://www.paginegialle.it/static/scripts/listing-7.6.0.2.js — 200 — 133.3 KiB — 178 ms — h2https://www.paginegialle.it/manifest.jsonwww.paginegialle.it/manifest.json https://www.paginegialle.it/manifest.json — 200 — 962 B — 127 ms — h2https://www.paginegialle.it/static/images/logo_100_on_light.gifwww.paginegialle.it/static/images/l... https://www.paginegialle.it/static/images/logo_100_on_light.gif — 200 — 150.4 KiB — 86 ms — h2https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.101.0/core-it.jscdn.iubenda.com/cookie_solution/iub... https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.101.0/core-it.js — 200 — 111.9 KiB — 178 ms — 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https://googleads.g.doubleclick.net/pagead/viewthroughconversion/835653412/?random=1783668357557&cv=9&fst=1783668357557&num=1&label=ySk_CI_H-nQQpJ68jgM&guid=ON&resp=GooglemKTybQhCsO&eid=375603261%2C466465926%2C512247839%2C658953495&u_h=823&u_w=412&ig=1&frm=0&url=https%3A%2F%2Fwww.paginegialle.it%2F&tiba=PagineGialle%3A%20trova%20info%20e%20recensioni%20sulle%20aziende%20italiane&hn=www.googleadservices.com&uaa=&uab=64&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&uafvl=Not%253BA%253DBrand%3B8.0.0.0%7CChromium%3B150.0.7871.100&rfmt=3&fmt=4 — 200 — 61 B — 516 ms — h3
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
85% of JavaScript execution is third-party
First-party Third-party 2134ms · 884KB · €23/mo
www.paginegialle.it
Other
Costly
Execution 433ms
Transfer 27 KB
Monthly Cost €5/mo
Iubenda
Consent
Essential
Execution 398ms
Transfer 112 KB
Unused 50%
Monthly Cost €4/mo
www.paginegialle.it
Other
Costly
Execution 237ms
Transfer 55 KB
Unused 52%
Monthly Cost €3/mo
c76babb4-dc97-48b8-9b12-80b8b7deba04.edge.permutive.app
Other
Costly
Execution 225ms
Transfer 157 KB
Unused 26%
Monthly Cost €2/mo
securepubads.g.doubleclick.net
Other
Costly
Execution 216ms
Transfer 192 KB
Unused 76%
Monthly Cost €2/mo
www.iolam.it
Other
Optional
Execution 145ms
Transfer 115 KB
Unused 78%
Monthly Cost €2/mo
c.amazon-adsystem.com
Other
Optional
Execution 112ms
Transfer 92 KB
Unused 64%
Monthly Cost €1/mo
www.paginegialle.it
Other
Optional
Execution 87ms
Transfer 5 KB
Monthly Cost €1/mo
cdn.qwtag.com
Other
Optional
Execution 81ms
Transfer 27 KB
Monthly Cost €1/mo
securepubads.g.doubleclick.net
Other
Optional
Execution 79ms
Transfer 35 KB
Monthly Cost €1/mo
ajax.googleapis.com
Other
Optional
Execution 67ms
Transfer 31 KB
Monthly Cost €1/mo
www.iolam.it
Other
Optional
Execution 53ms
Transfer 36 KB
Unused 77%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.paginegialle.it adds 433ms and costs ~€5/month
  • www.paginegialle.it adds 237ms and costs ~€3/month
  • c76babb4-dc97-48b8-9b12-80b8b7deba04.edge.permutive.app adds 225ms and costs ~€2/month
  • securepubads.g.doubleclick.net adds 216ms and costs ~€2/month

85% 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.paginegialle.it takes 433ms 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.paginegialle.it takes 237ms 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

52% of www.paginegialle.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

c76babb4-dc97-48b8-9b12-80b8b7deba04.edge.permutive.app takes 225ms 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

securepubads.g.doubleclick.net 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

76% of securepubads.g.doubleclick.net'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

78% of www.iolam.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

64% of c.amazon-adsystem.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

77% of www.iolam.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

How third-party costs are calculated

Image Optimization
9 images, 632 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

9

Total Size

632 KB

4 missing alt text 9 missing dimensions 9 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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