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https://nyecasino.eu

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
89
GRADE
B
FIX
1
REVIEW
3
PASS
11
INFO
2

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

Mobile Desktop
94
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
81
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.
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.

1.96 s

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

2.22 s

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

190 ms

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

0.032

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

2.45 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.

4.55 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
17
11 PASS 3 REVIEW 1 FIX
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
26 images, 0 KB saveable
REVIEW
26 images, 0 KB saveable
Warning::
https://nyecasino.eu/static/img/general/cork-casin... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/static/img/general/cork-news-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/static/img/general/cork-slot.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/static/img/general/cork-img-t... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/static/img/general/cork.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/static/img/general/cork-bonus... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
//:0 is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nyecasino.eu/wp-content/webp-express/webp-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
26 images 220 KB
0 oversized -0 KB
7 legacy format
16 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

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
JS Execution Cost
Action
1490ms total JS execution
REVIEW
1490ms total JS execution
Warning::
https://nyecasino.eu/: 565ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3V3R...: 378ms CPU time
Warning::
https://nyecasino.eu/static/js/all.js: 315ms CPU time
Info::
Unattributable: 232ms CPU time
Info::
Third-party scripts: 611ms (41% of total)

Main Thread Breakdown

Script Evaluation 28% Style & Layout 26% Other 23% Script Parsing & Compilation 12% Rendering 7%
ScriptTotalScriptingParse/CompileParty
https://nyecasino.eu/565ms6ms2ms1st
https://www.googletagmanager.com/gtag/js?id=G-3V3RXX6WV5378ms222ms154ms3rd
https://nyecasino.eu/static/js/all.js315ms188ms26ms1st
Unattributable232ms6ms0ms3rd
B
JS Bundles
8 scripts, 112 KB unused
REVIEW
8 scripts, 112 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3V3R...: 63 KB unused (44%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://nyecasino.eu/static/js/all.js: 49 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://nyecasino.eu/static/js/custom.js: unminified — 3 KB could be saved
Info::
Total unused JavaScript: 112 KB
112 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-3V3RXX6WV5144 KB63 KB (44%)✓3rd
https://nyecasino.eu/static/js/all.js87 KB49 KB (56%)✓1st
https://nyecasino.eu/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.01 KB—✓1st
https://nyecasino.eu/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.41 KB—✓1st
https://nyecasino.eu/static/js/custom.js7 KB—✗1st
https://nyecasino.eu/static/js/user.min.js1 KB—✓1st
https://nyecasino.eu/static/js/jquery.validate.min.js9 KB—✓1st
https://nyecasino.eu/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.22 KB—✓1st

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

A+
Page Weight Budget
616 KB transferred, 45 requests
PASS
616 KB transferred, 45 requests
Info::
Page weighs 1.3 MB (616 KB transferred)
Info::
45 HTTP requests
Info::
Estimated 0.13 g CO2 per page load
616 KB / 2.4 MB budget
616 KB transferred
45 requests
0.13 g CO2 per page load
JavaScript 251.0 KiB 41%
Images 220.2 KiB 36%
Fonts 82.4 KiB 13%
CSS 39.7 KiB 6%
HTML 17.9 KiB 3%
Other 2.8 KiB 0%
Other 1.4 KiB 0%
Other 546 B 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
37% third-party, 0 ms blocking
PASS
37% third-party, 0 ms blocking
Info::
Third-party code accounts for 37% of page weight (228.5 KiB of 615.8 KiB)
Info::
Third-party blocking time is low (0 ms)
63%
37%
First-party Third-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
2 fonts (82 KB)
PASS
2 fonts (82 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

82 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 2.0 s LCP 2.2 shttps://fonts.gstatic.com/s/redhatdisplay/v21/8vIQ7wUr0m80wwYf0QCXZzYzUoTg_T6hR4jNCA.woff28vIQ7wUr0m80wwYf0QCXZzY... https://fonts.gstatic.com/s/redhatdisplay/v21/8vIQ7wUr0m80wwYf0QCXZzYzUoTg_T6hR4jNCA.woff2 — 30.0 KiB — 56 ms — font-display: swaphttps://fonts.gstatic.com/s/mansalva/v16/aWB4m0aacbtDfvq5NKliKY_NdDBh.woff2aWB4m0aacbtDfvq5NKliKY_... https://fonts.gstatic.com/s/mansalva/v16/aWB4m0aacbtDfvq5NKliKY_NdDBh.woff2 — 52.4 KiB — 73 ms — font-display: swap
8vIQ7wUr0m80wwYf0QCXZzY... woff2 swap
Size 30 KB
Load time 56 ms
Start 719 ms
Risk FOUT — text flashes from fallback to web font
aWB4m0aacbtDfvq5NKliKY_... woff2 swap
Size 52 KB
Load time 73 ms
Start 720 ms
Risk FOUT — 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)
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
3 hints, 0 missing preconnects
PASS
3 hints, 0 missing preconnects
Info::
Page uses 3 resource hint(s)

Current Resource Hints

preconnect
1
preload
1
dns-prefetch
1
prefetch
—

3 resource hints configured

A+
Page Weight Inventory
45 resources · 616 KB · 112 KB savings available
PASS
45 resources · 616 KB · 112 KB savings available
Info::
Within 1MB page-weight target
Got: 616 KB
Info::
~112 KB of savings available
Info::
15 third-party resources (37% of weight)
45 resources · 615.8 KiB · 15 third-party Within 1MB page-weight target
JavaScript 41% · 251.0 KiB
Image 36% · 223.0 KiB
Font 13% · 82.4 KiB
CSS 6% · 39.7 KiB
Document 3% · 17.9 KiB
Other 0% · 1.9 KiB

~111.8 KiB of savings available

Remove unused JavaScript: 111.8 KiB
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
45 requests over 1556ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 2.0 s LCP 2.2 shttps://nyecasino.eu// https://nyecasino.eu/ — 200 — 17.9 KiB — 533 ms — h2https://www.googletagmanager.com/gtag/js?id=G-3V3RXX6WV5www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-3V3RXX6WV5 — 200 — 144.1 KiB — 176 ms — h2https://fonts.googleapis.com/css2?family=Red+Hat+Display:wght@400;500;700&display=swapfonts.googleapis.com/css2?family=Re... https://fonts.googleapis.com/css2?family=Red+Hat+Display:wght@400;500;700&display=swap — 200 — 912 B — 92 ms — h2https://fonts.googleapis.com/css2?family=Mansalva&display=swapfonts.googleapis.com/css2?family=Ma... https://fonts.googleapis.com/css2?family=Mansalva&display=swap — 200 — 604 B — 93 ms — h2https://nyecasino.eu/static/css/main.min.css/static/css/main.min.css https://nyecasino.eu/static/css/main.min.css — 200 — 36.5 KiB — 68 ms — h2https://nyecasino.eu/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0/wp-content/plugins/universal-banne... https://nyecasino.eu/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0 — 200 — 1.7 KiB — 51 ms — h2https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/logo.png.webp/wp-content/webp-express/webp-image... https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/logo.png.webp — 200 — 4.5 KiB — 48 ms — h2https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/bg-banner-xs.jpg.webp/wp-content/webp-express/webp-image... https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/bg-banner-xs.jpg.webp — 200 — 3.2 KiB — 48 ms — h2https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/char.png.webp/wp-content/webp-express/webp-image... https://nyecasino.eu/wp-content/webp-express/webp-images/uploads/2022/06/char.png.webp — 200 — 37.5 KiB — 110 ms — h3https://nyecasino.eu/static/img/general/cork-slot.png/static/img/general/cork-slot.png https://nyecasino.eu/static/img/general/cork-slot.png — 200 — 2.1 KiB — 28 ms — h3https://nyecasino.eu/static/js/all.js/static/js/all.js https://nyecasino.eu/static/js/all.js — 200 — 86.8 KiB — 98 ms — h3https://nyecasino.eu/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.0/wp-content/plugins/universal-banne... https://nyecasino.eu/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.0 — 200 — 681 B — 59 ms — h3https://nyecasino.eu/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.4/wp-content/plugins/wp-tt-second-of... https://nyecasino.eu/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.4 — 200 — 695 B — 65 ms — h3https://nyecasino.eu/static/js/custom.js/static/js/custom.js https://nyecasino.eu/static/js/custom.js — 200 — 6.6 KiB — 67 ms — h3https://nyecasino.eu/static/js/user.min.js/static/js/user.min.js https://nyecasino.eu/static/js/user.min.js — 200 — 1.2 KiB — 58 ms — h3https://nyecasino.eu/static/js/jquery.validate.min.js/static/js/jquery.validate.min.js https://nyecasino.eu/static/js/jquery.validate.min.js — 200 — 9.3 KiB — 70 ms — h3https://nyecasino.eu/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.2/wp-content/plugins/wp-tt-rating-st... https://nyecasino.eu/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.2 — 200 — 1.7 KiB — 66 ms — h3https://nyecasino.eu/static/img/general/cork-img-text.png/static/img/general/cork-img-text.p... https://nyecasino.eu/static/img/general/cork-img-text.png — 200 — 2.2 KiB — 36 ms — h3https://nyecasino.eu/static/img/general/cork-casino-logo.png/static/img/general/cork-casino-log... https://nyecasino.eu/static/img/general/cork-casino-logo.png — 200 — 1.6 KiB — 61 ms — h3https://nyecasino.eu/static/img/general/cork.png/static/img/general/cork.png https://nyecasino.eu/static/img/general/cork.png — 200 — 1.4 KiB — 34 ms — h3https://nyecasino.eu/static/img/general/cork-bonus-logo.png/static/img/general/cork-bonus-logo... https://nyecasino.eu/static/img/general/cork-bonus-logo.png — 200 — 1.4 KiB — 71 ms — h3https://nyecasino.eu/static/img/general/cork-news-preview.png/static/img/general/cork-news-previ... https://nyecasino.eu/static/img/general/cork-news-preview.png — 200 — 1.5 KiB — 35 ms — h3data:image/svg+xml,%3Csvg height='512' viewBox='0 0 462 462' width='512' fill='%23338fd1' xmlns='ht…data:image/svg+xml,%3Csvg height='5... data:image/svg+xml,%3Csvg height='512' viewBox='0 0 462 462' width='512' fill='%23338fd1' xmlns='ht… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w…www.w3.org/2000/svg'%3e%3crect w… data:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 492 289' fill='%231b5797'…www.w3.org/2000/svg' viewBox='0 0 4... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 492 289' fill='%231b5797'… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w…www.w3.org/2000/svg'%3e%3crect w… data:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w…www.w3.org/2000/svg'%3e%3crect w… data:image/svg+xml,%3csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3e%3crect w… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 488.4' fill='%23f9e47…www.w3.org/2000/svg' viewBox='0 0 5... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 488.4' fill='%23f9e47… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 492 289' fill='%23143d68'…www.w3.org/2000/svg' viewBox='0 0 4... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 492 289' fill='%23143d68'… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 52 96.1'%3E%3Cpath fill='…www.w3.org/2000/svg' viewBox='0 0 5... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 52 96.1'%3E%3Cpath fill='… — 200 — 0 B — 0 ms — data
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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
41% of JavaScript execution is third-party
First-party Third-party 611ms · 144KB · kr113/mo
Google Tag Manager
Tag Manager
Costly
Execution 378ms
Transfer 144 KB
Unused 44%
Monthly Cost kr70/mo
Unattributable
Other
Costly
Execution 232ms
Transfer 0 KB
Monthly Cost kr43/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 378ms and costs ~kr70/month
  • Unattributable adds 232ms and costs ~kr43/month

41% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

Google Tag Manager takes 378ms 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

Unattributable takes 232ms 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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