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https://casinolead.ca

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
88
GRADE
B
FIX
2
REVIEW
2
PASS
11
INFO
2

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

Mobile Desktop
54
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.
92
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.

2.52 s

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

8.01 s

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

372 ms

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

0.166

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

4.29 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.

8.06 s

Page Load Progression

412 ms
825 ms
1.2 s
1.6 s
2.1 s
2.5 s
2.9 s
3.3 s
Checks
17
11 PASS 2 REVIEW 2 FIX
D
JS Execution Cost
Action
2380ms total JS execution
FIX
2380ms total JS execution
Warning::
https://casinolead.ca/static/js/all.js: 799ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3FBE...: 613ms CPU time
Warning::
https://casinolead.ca/: 459ms CPU time
Warning::
Unattributable: 319ms CPU time
Info::
https://casinolead.ca/wp-content/plugins/webp-expr...: 190ms CPU time
Info::
Third-party scripts: 932ms (39% of total)

Main Thread Breakdown

Script Evaluation 46% Other 20% Script Parsing & Compilation 12% Style & Layout 11% Rendering 7% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://casinolead.ca/static/js/all.js799ms624ms39ms1st
https://www.googletagmanager.com/gtag/js?id=G-3FBEK5ZMJB613ms382ms228ms3rd
https://casinolead.ca/459ms10ms4ms1st
Unattributable319ms7ms0ms3rd
https://casinolead.ca/wp-content/plugins/webp-express/js/lazysizes.min.js190ms67ms1ms1st
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
28 images, 0 KB saveable
REVIEW
28 images, 0 KB saveable
Warning::
https://casinolead.ca/# is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://casinolead.ca/wp-content/webp-express/webp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
28 images 608 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

B
JS Bundles
12 scripts, 117 KB unused
REVIEW
12 scripts, 117 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3FBE...: 66 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://casinolead.ca/static/js/all.js: 51 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 117 KB
117 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-3FBEK5ZMJB157 KB66 KB (42%)✓3rd
https://casinolead.ca/static/js/all.js93 KB51 KB (55%)✓1st
https://casinolead.ca/static/js/custom.js4 KB—✓1st
https://casinolead.ca/wp-content/plugins/comment-validation/jquery.validate.pack.js?ver=5.4.28 KB—✓1st
https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/jquery.form.min.js?ver=3.50.0-2014.02.057 KB—✓1st
https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=3.8.14 KB—✓1st
https://casinolead.ca/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.01 KB—✓1st
https://casinolead.ca/wp-content/plugins/webp-express/js/lazysizes.min.js4 KB—✓1st
https://casinolead.ca/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.41 KB—✓1st
https://casinolead.ca/static/js/custom.js?v=24 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
1010 KB transferred, 52 requests
PASS
1010 KB transferred, 52 requests
Info::
Page weighs 1.7 MB (1010 KB transferred)
Info::
52 HTTP requests
Info::
Estimated 0.21 g CO2 per page load
1010 KB / 2.4 MB budget
1010 KB transferred
52 requests
0.21 g CO2 per page load
Images 607.9 KiB 60%
JavaScript 294.1 KiB 29%
Fonts 56.6 KiB 6%
CSS 28.4 KiB 3%
HTML 14.0 KiB 1%
Other 7.1 KiB 1%
Other 1.8 KiB 0%
Other 547 B 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
22% third-party, 0 ms blocking
PASS
22% third-party, 0 ms blocking
Info::
Third-party code accounts for 22% of page weight (225.1 KiB of 1010.5 KiB)
Info::
Third-party blocking time is low (0 ms)
78%
22%
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
3 fonts (57 KB)
PASS
3 fonts (57 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

57 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 FCP 2.5 s LCP 8.0 shttps://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2JTUSjIg1_i6t8kCHKm459Wl... https://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2 — 18.8 KiB — 33 ms — font-display: swaphttps://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2JTURjIg1_i6t8kCHKm45_bZ... https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2 — 18.8 KiB — 33 ms — font-display: swaphttps://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_g.woff2JTURjIg1_i6t8kCHKm45_dJ... https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_g.woff2 — 19.1 KiB — 33 ms — font-display: swap
JTUSjIg1_i6t8kCHKm459Wl... woff2 swap
Size 19 KB
Load time 33 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
JTURjIg1_i6t8kCHKm45_bZ... woff2 swap
Size 19 KB
Load time 33 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
JTURjIg1_i6t8kCHKm45_dJ... woff2 swap
Size 19 KB
Load time 33 ms
Start 1.0 s
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
9 hints, 0 missing preconnects
PASS
9 hints, 0 missing preconnects
Info::
Page uses 9 resource hint(s)

Current Resource Hints

preconnect
2
preload
6
dns-prefetch
1
prefetch
—

9 resource hints configured

A+
Page Weight Inventory
52 resources · 1010 KB · 117 KB savings available
PASS
52 resources · 1010 KB · 117 KB savings available
Info::
Within 1MB page-weight target
Got: 1010 KB
Info::
~117 KB of savings available
Info::
7 third-party resources (22% of weight)
52 resources · 1010.5 KiB · 7 third-party Within 1MB page-weight target
Image 61% · 614.5 KiB
JavaScript 29% · 294.1 KiB
Font 6% · 56.6 KiB
CSS 3% · 28.4 KiB
Document 1% · 14.5 KiB
Other 0% · 2.4 KiB

~116.6 KiB of savings available

Remove unused JavaScript: 116.6 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
52 requests over 3454ms
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 FCP 2.5 s LCP 8.0 shttps://casinolead.ca// https://casinolead.ca/ — 200 — 14.0 KiB — 1.0 s — h3https://www.googletagmanager.com/gtag/js?id=G-3FBEK5ZMJBwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-3FBEK5ZMJB — 200 — 157.2 KiB — 103 ms — h2https://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2fonts.gstatic.com/s/montserrat/v15/... https://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2 — 200 — 18.8 KiB — 33 ms — h3https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2fonts.gstatic.com/s/montserrat/v15/... https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2 — 200 — 18.8 KiB — 33 ms — h3https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_g.woff2fonts.gstatic.com/s/montserrat/v15/... https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_g.woff2 — 200 — 19.1 KiB — 33 ms — h3https://casinolead.ca/static/css/main.min.css/static/css/main.min.css https://casinolead.ca/static/css/main.min.css — 200 — 25.1 KiB — 32 ms — h3https://casinolead.ca/static/js/all.js/static/js/all.js https://casinolead.ca/static/js/all.js — 200 — 92.7 KiB — 34 ms — h3https://casinolead.ca/static/js/custom.js/static/js/custom.js https://casinolead.ca/static/js/custom.js — 200 — 3.9 KiB — 31 ms — h3https://casinolead.ca/wp-content/plugins/comment-validation/comment-validation.css?ver=5.4.2/wp-content/plugins/comment-validat... https://casinolead.ca/wp-content/plugins/comment-validation/comment-validation.css?ver=5.4.2 — 200 — 588 B — 21 ms — h3https://casinolead.ca/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=3.8.1/wp-content/plugins/contact-form-7/... https://casinolead.ca/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=3.8.1 — 200 — 964 B — 15 ms — h3https://casinolead.ca/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0/wp-content/plugins/universal-banne... https://casinolead.ca/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0 — 200 — 1.8 KiB — 19 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/logo.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/logo.png.webp — 200 — 2.2 KiB — 328 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/static/img/general/banner-slider-bg.jpg.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/static/img/general/banner-slider-bg.jpg.webp — 200 — 12.2 KiB — 330 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img5.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img5.png.webp — 200 — 107.3 KiB — 377 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2025/05/mrbet-logo-83.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2025/05/mrbet-logo-83.png.webp — 200 — 1.6 KiB — 363 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img3.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img3.png.webp — 200 — 82.7 KiB — 385 ms — h3https://casinolead.ca/wp-content/plugins/comment-validation/jquery.validate.pack.js?ver=5.4.2/wp-content/plugins/comment-validat... https://casinolead.ca/wp-content/plugins/comment-validation/jquery.validate.pack.js?ver=5.4.2 — 200 — 7.6 KiB — 40 ms — h3https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/jquery.form.min.js?ver=3.50.0-2014.02.05/wp-content/plugins/contact-form-7/... https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/jquery.form.min.js?ver=3.50.0-2014.02.05 — 200 — 7.1 KiB — 35 ms — h3https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=3.8.1/wp-content/plugins/contact-form-7/... https://casinolead.ca/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=3.8.1 — 200 — 3.5 KiB — 42 ms — h3https://casinolead.ca/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.0/wp-content/plugins/universal-banne... https://casinolead.ca/wp-content/plugins/universal-banner-popup/resources/js/ajax.js?ver=1.0 — 200 — 680 B — 44 ms — h3https://casinolead.ca/wp-content/plugins/webp-express/js/lazysizes.min.js/wp-content/plugins/webp-express/js... https://casinolead.ca/wp-content/plugins/webp-express/js/lazysizes.min.js — 200 — 3.9 KiB — 32 ms — h3https://casinolead.ca/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.4/wp-content/plugins/wp-tt-second-of... https://casinolead.ca/wp-content/plugins/wp-tt-second-offer-links/script.js?ver=1.2.4 — 200 — 698 B — 42 ms — h3https://casinolead.ca/static/js/custom.js?v=2/static/js/custom.js?v=2 https://casinolead.ca/static/js/custom.js?v=2 — 200 — 3.9 KiB — 42 ms — h3https://casinolead.ca/static/js/user.js/static/js/user.js https://casinolead.ca/static/js/user.js — 200 — 2.2 KiB — 38 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner2-83x37-1.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner2-83x37-1.png.webp — 200 — 2.1 KiB — 373 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img4.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img4.png.webp — 200 — 88.8 KiB — 387 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner3-83x37-1.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner3-83x37-1.png.webp — 200 — 2.4 KiB — 371 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img2.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img2.png.webp — 200 — 73.4 KiB — 386 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner4-4-83x37-1.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/partner4-4-83x37-1.png.webp — 200 — 1.2 KiB — 367 ms — h3https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img1.png.webp/wp-content/webp-express/webp-image... https://casinolead.ca/wp-content/webp-express/webp-images/uploads/2021/08/banner-slider-img1.png.webp — 200 — 67.9 KiB — 358 ms — h3
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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
39% of JavaScript execution is third-party
First-party Third-party 932ms · 157KB · CA$13/mo
Google Tag Manager
Tag Manager
Costly
Execution 613ms
Transfer 157 KB
Unused 42%
Monthly Cost CA$8/mo
Unattributable
Other
Costly
Execution 319ms
Transfer 0 KB
Monthly Cost CA$4/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 613ms and costs ~CA$8/month
  • Unattributable adds 319ms and costs ~CA$4/month

Google Tag Manager takes 613ms 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 319ms 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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