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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
81
GRADE
B
FIX
2
REVIEW
3
PASS
10
INFO
2

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

Mobile Desktop
73
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
67
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
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.

1.13 s

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

9.39 s

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

15 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.005

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

3.86 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.

10.26 s

Page Load Progression

386 ms
772 ms
1.2 s
1.5 s
1.9 s
2.3 s
2.7 s
3.1 s
Checks
17
10 PASS 3 REVIEW 2 FIX
F
Page Weight Budget
Action
6.8 MB transferred, 80 requests
FIX
6.8 MB transferred, 80 requests
Critical::
Page weighs 7.1 MB (6.8 MB transferred)
Warning::
Images are 6.3 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 6.3 MB
Info::
Fonts are 412 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 412 KB
Info::
80 HTTP requests
Info::
Estimated 1.4 g CO2 per page load
6.8 MB / 2.4 MB budget
6.8 MB transferred
80 requests
1.4 g CO2 per page load
Images 6.3 MiB 93%
Fonts 412.0 KiB 6%
JavaScript 29.7 KiB 0%
HTML 20.5 KiB 0%
CSS 18.8 KiB 0%
Other 1.3 KiB 0%
Other 952 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

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
JS Execution Cost
Action
2463ms total JS execution
FIX
2463ms total JS execution
Warning::
https://nvcasinos.io/: 1443ms CPU time
Warning::
Unattributable: 719ms CPU time
Warning::
https://nvcasinos.io/build/frontend/app.js: 300ms CPU time
Info::
Third-party scripts: 719ms (29% of total)

Main Thread Breakdown

Other 52% Style & Layout 25% Rendering 16% Script Evaluation 5%
ScriptTotalScriptingParse/CompileParty
https://nvcasinos.io/1443ms3ms1ms1st
Unattributable719ms13ms0ms3rd
https://nvcasinos.io/build/frontend/app.js300ms96ms11ms1st
C
Image Optimization
Action
70 images, 0 KB saveable
REVIEW
70 images, 0 KB saveable
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/img/icons/icon__footer-18+.sv... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/img/icons/icon__footer-gambli... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/img/logo.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/img/icons/icon__footer-gamble... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/uploads/media/2025/05/nvcasin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nvcasinos.io/img/icons/icon__dmca.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
70 images 6.3 MB
0 oversized -0 KB
70 legacy format
11 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

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

C
Page Weight Inventory
Action
80 resources · 6.8 MB · 0 KB savings available
REVIEW
80 resources · 6.8 MB · 0 KB savings available
Warning::
Page weight 5.8 MB over 1MB target
Got: 6.8 MB Expected: ≤ 1 MB
Info::
11 resources over 200KB
80 resources · 6.8 MiB · 0 third-party 5.8 MiB over 1MB target
Image 93% · 6.3 MiB
Font 6% · 412.0 KiB
JavaScript 0% · 29.7 KiB
Document 0% · 20.5 KiB
CSS 0% · 18.8 KiB
Other 0% · 952 B
B
HTTP Caching
no-cache, private
REVIEW
no-cache, private
Info::
Cache-Control header is set
Got: no-cache, private
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, private

DirectiveValueMeaning
no-cache—Cache but always revalidate first
private—Only browser cache, not CDN/proxy
A+
Third-Party Impact
No third-party resources
PASS
No third-party resources
Info::
No third-party resources detected
No third-party resources detected — all resources are first-party.
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
3 fonts (412 KB)
PASS
3 fonts (412 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

412 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 1.1 s LCP 9.4 shttps://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Regular.d5460088.ttfEuclidCircularA-Regular... https://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Regular.d5460088.ttf — 138.5 KiB — 189 ms — font-display: swaphttps://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Bold.b4788f2f.ttfEuclidCircularA-Bold.b4... https://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Bold.b4788f2f.ttf — 135.0 KiB — 95 ms — font-display: swaphttps://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Medium.a5befbfc.ttfEuclidCircularA-Medium.... https://nvcasinos.io/build/frontend/fonts/EuclidCircularA-Medium.a5befbfc.ttf — 138.5 KiB — 189 ms — font-display: swap
EuclidCircularA-Regular... ttf swap
Size 138 KB
Load time 189 ms
Start 516 ms
Risk FOUT — 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
EuclidCircularA-Bold.b4... ttf swap
Size 135 KB
Load time 95 ms
Start 516 ms
Risk FOUT — 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
EuclidCircularA-Medium.... ttf swap
Size 139 KB
Load time 189 ms
Start 517 ms
Risk FOUT — 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
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 ~330 KB and ~660 ms

A+
JS Bundles
3 scripts, 0 KB unused
PASS
3 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://nvcasinos.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js1 KB—✓1st
https://nvcasinos.io/build/frontend/runtime.js1 KB—✓1st
https://nvcasinos.io/build/frontend/app.js28 KB—✓1st
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+
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+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
80 requests over 778ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 1.1 s LCP 9.4 shttps://nvcasinos.io// https://nvcasinos.io/ — 200 — 20.5 KiB — 377 ms — h2https://nvcasinos.io/css/app.css/css/app.css https://nvcasinos.io/css/app.css — 200 — 18.8 KiB — 51 ms — h2https://nvcasinos.io/img/logo.svg/img/logo.svg https://nvcasinos.io/img/logo.svg — 200 — 2.3 KiB — 50 ms — h2https://nvcasinos.io/img/fav.svg/img/fav.svg https://nvcasinos.io/img/fav.svg — 200 — 1.9 KiB — 47 ms — h2https://nvcasinos.io/img/icons/icon__head-10.svg/img/icons/icon__head-10.svg https://nvcasinos.io/img/icons/icon__head-10.svg — 200 — 604 B — 86 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-681497bb467285.95673086.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-681497bb467285.95673086.jpg — 200 — 836.7 KiB — 138 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-3-681497be1105d2.03412768.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-3-681497be1105d2.03412768.jpg — 200 — 691.8 KiB — 155 ms — h2https://nvcasinos.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://nvcasinos.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 1020 B — 38 ms — h2https://nvcasinos.io/build/frontend/runtime.js/build/frontend/runtime.js https://nvcasinos.io/build/frontend/runtime.js — 200 — 957 B — 90 ms — h2https://nvcasinos.io/build/frontend/app.js/build/frontend/app.js https://nvcasinos.io/build/frontend/app.js — 200 — 27.8 KiB — 134 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-2-681497c160ead6.87945902.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-2-681497c160ead6.87945902.jpg — 200 — 728.7 KiB — 166 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-4-681497c45a28a3.43929433.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-4-681497c45a28a3.43929433.jpg — 200 — 561.6 KiB — 177 ms — h2https://nvcasinos.io/img/icons/icon__fire.svg/img/icons/icon__fire.svg https://nvcasinos.io/img/icons/icon__fire.svg — 200 — 615 B — 164 ms — h2https://nvcasinos.io/uploads/media/games/contact.jpg/uploads/media/games/contact.jpg https://nvcasinos.io/uploads/media/games/contact.jpg — 200 — 26.3 KiB — 164 ms — h2https://nvcasinos.io/uploads/media/games/classic-thai-sunrise.jpg/uploads/media/games/classic-thai-s... https://nvcasinos.io/uploads/media/games/classic-thai-sunrise.jpg — 200 — 33.1 KiB — 167 ms — h2https://nvcasinos.io/uploads/media/games/vicky-ventura.jpg/uploads/media/games/vicky-ventura.... https://nvcasinos.io/uploads/media/games/vicky-ventura.jpg — 200 — 24.3 KiB — 167 ms — h2https://nvcasinos.io/uploads/media/games/miss-red.jpg/uploads/media/games/miss-red.jpg https://nvcasinos.io/uploads/media/games/miss-red.jpg — 200 — 35.9 KiB — 177 ms — h2https://nvcasinos.io/uploads/media/games/steaming-reels.jpg/uploads/media/games/steaming-reels... https://nvcasinos.io/uploads/media/games/steaming-reels.jpg — 200 — 27.2 KiB — 171 ms — h2https://nvcasinos.io/uploads/media/games/fruit-mania-deluxe.jpg/uploads/media/games/fruit-mania-de... https://nvcasinos.io/uploads/media/games/fruit-mania-deluxe.jpg — 200 — 26.7 KiB — 171 ms — h2https://nvcasinos.io/uploads/media/games/banana-party.jpg/uploads/media/games/banana-party.j... https://nvcasinos.io/uploads/media/games/banana-party.jpg — 200 — 22.5 KiB — 174 ms — h2https://nvcasinos.io/uploads/media/games/nemo-s-voyage.jpg/uploads/media/games/nemo-s-voyage.... https://nvcasinos.io/uploads/media/games/nemo-s-voyage.jpg — 200 — 28.9 KiB — 174 ms — h2https://nvcasinos.io/uploads/media/games/4-lucky-pin-ups.jpg/uploads/media/games/4-lucky-pin-up... https://nvcasinos.io/uploads/media/games/4-lucky-pin-ups.jpg — 200 — 33.9 KiB — 176 ms — h2https://nvcasinos.io/uploads/media/games/pumpkin-fairy.jpg/uploads/media/games/pumpkin-fairy.... https://nvcasinos.io/uploads/media/games/pumpkin-fairy.jpg — 200 — 27.2 KiB — 177 ms — h2https://nvcasinos.io/uploads/media/games/cowboys-gold.jpg/uploads/media/games/cowboys-gold.j... https://nvcasinos.io/uploads/media/games/cowboys-gold.jpg — 200 — 36.4 KiB — 178 ms — h2https://nvcasinos.io/uploads/media/games/christmas-reactors.jpg/uploads/media/games/christmas-reac... https://nvcasinos.io/uploads/media/games/christmas-reactors.jpg — 200 — 13.3 KiB — 173 ms — h2https://nvcasinos.io/img/icons/icon__cup.svg/img/icons/icon__cup.svg https://nvcasinos.io/img/icons/icon__cup.svg — 200 — 795 B — 194 ms — h2https://nvcasinos.io/uploads/media/avatars/pumps.jpg/uploads/media/avatars/pumps.jpg https://nvcasinos.io/uploads/media/avatars/pumps.jpg — 200 — 3.7 KiB — 172 ms — h2https://nvcasinos.io/uploads/media/avatars/lucky-ducky.jpg/uploads/media/avatars/lucky-ducky.... https://nvcasinos.io/uploads/media/avatars/lucky-ducky.jpg — 200 — 6.9 KiB — 173 ms — h2https://nvcasinos.io/uploads/media/avatars/hereiam.jpg/uploads/media/avatars/hereiam.jpg https://nvcasinos.io/uploads/media/avatars/hereiam.jpg — 200 — 8.7 KiB — 173 ms — h2https://nvcasinos.io/uploads/media/avatars/wracker.jpg/uploads/media/avatars/wracker.jpg https://nvcasinos.io/uploads/media/avatars/wracker.jpg — 200 — 6.5 KiB — 173 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 1.1 s LCP 9.4 shttps://nvcasinos.io// https://nvcasinos.io/ — 200 — 20.5 KiB — 377 ms — h2https://nvcasinos.io/css/app.css/css/app.css https://nvcasinos.io/css/app.css — 200 — 18.8 KiB — 51 ms — h2https://nvcasinos.io/img/logo.svg/img/logo.svg https://nvcasinos.io/img/logo.svg — 200 — 2.3 KiB — 50 ms — h2https://nvcasinos.io/img/fav.svg/img/fav.svg https://nvcasinos.io/img/fav.svg — 200 — 1.9 KiB — 47 ms — h2https://nvcasinos.io/img/icons/icon__head-10.svg/img/icons/icon__head-10.svg https://nvcasinos.io/img/icons/icon__head-10.svg — 200 — 604 B — 86 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-681497bb467285.95673086.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-681497bb467285.95673086.jpg — 200 — 836.7 KiB — 138 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-3-681497be1105d2.03412768.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-3-681497be1105d2.03412768.jpg — 200 — 691.8 KiB — 155 ms — h2https://nvcasinos.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://nvcasinos.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 1020 B — 38 ms — h2https://nvcasinos.io/build/frontend/runtime.js/build/frontend/runtime.js https://nvcasinos.io/build/frontend/runtime.js — 200 — 957 B — 90 ms — h2https://nvcasinos.io/build/frontend/app.js/build/frontend/app.js https://nvcasinos.io/build/frontend/app.js — 200 — 27.8 KiB — 134 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-2-681497c160ead6.87945902.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-2-681497c160ead6.87945902.jpg — 200 — 728.7 KiB — 166 ms — h2https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-4-681497c45a28a3.43929433.jpg/uploads/media/2025/05/nvcasinos-io... https://nvcasinos.io/uploads/media/2025/05/nvcasinos-io-4-681497c45a28a3.43929433.jpg — 200 — 561.6 KiB — 177 ms — h2https://nvcasinos.io/img/icons/icon__fire.svg/img/icons/icon__fire.svg https://nvcasinos.io/img/icons/icon__fire.svg — 200 — 615 B — 164 ms — h2https://nvcasinos.io/uploads/media/games/contact.jpg/uploads/media/games/contact.jpg https://nvcasinos.io/uploads/media/games/contact.jpg — 200 — 26.3 KiB — 164 ms — h2https://nvcasinos.io/uploads/media/games/classic-thai-sunrise.jpg/uploads/media/games/classic-thai-s... https://nvcasinos.io/uploads/media/games/classic-thai-sunrise.jpg — 200 — 33.1 KiB — 167 ms — h2https://nvcasinos.io/uploads/media/games/vicky-ventura.jpg/uploads/media/games/vicky-ventura.... https://nvcasinos.io/uploads/media/games/vicky-ventura.jpg — 200 — 24.3 KiB — 167 ms — h2https://nvcasinos.io/uploads/media/games/miss-red.jpg/uploads/media/games/miss-red.jpg https://nvcasinos.io/uploads/media/games/miss-red.jpg — 200 — 35.9 KiB — 177 ms — h2https://nvcasinos.io/uploads/media/games/steaming-reels.jpg/uploads/media/games/steaming-reels... https://nvcasinos.io/uploads/media/games/steaming-reels.jpg — 200 — 27.2 KiB — 171 ms — h2https://nvcasinos.io/uploads/media/games/fruit-mania-deluxe.jpg/uploads/media/games/fruit-mania-de... https://nvcasinos.io/uploads/media/games/fruit-mania-deluxe.jpg — 200 — 26.7 KiB — 171 ms — h2https://nvcasinos.io/uploads/media/games/banana-party.jpg/uploads/media/games/banana-party.j... https://nvcasinos.io/uploads/media/games/banana-party.jpg — 200 — 22.5 KiB — 174 ms — h2https://nvcasinos.io/uploads/media/games/nemo-s-voyage.jpg/uploads/media/games/nemo-s-voyage.... https://nvcasinos.io/uploads/media/games/nemo-s-voyage.jpg — 200 — 28.9 KiB — 174 ms — h2https://nvcasinos.io/uploads/media/games/4-lucky-pin-ups.jpg/uploads/media/games/4-lucky-pin-up... https://nvcasinos.io/uploads/media/games/4-lucky-pin-ups.jpg — 200 — 33.9 KiB — 176 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
29% of JavaScript execution is third-party
First-party Third-party 719ms · 0KB · $10/mo
Unattributable
Other
Costly
Execution 719ms
Transfer 0 KB
Monthly Cost $10/mo

These scripts may cost more than they're worth

  • Unattributable adds 719ms and costs ~$10/month

Unattributable takes 719ms 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

How third-party costs are calculated

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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