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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
4
PASS
7
INFO
2

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

Mobile Desktop
43
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
95
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.

4.15 s

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

11.86 s

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

718 ms

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

0.034

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

6.65 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.

11.98 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
7 PASS 4 REVIEW 4 FIX
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 (1.4 MiB of 1.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3192ms total JS execution
FIX
3192ms total JS execution
Warning::
Unattributable: 633ms CPU time
Warning::
https://www.ala.org/sites/default/files/js/js_2046...: 480ms CPU time
Warning::
https://cookie-cdn.cookiepro.com/scripttemplates/6...: 450ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-QM62...: 368ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PGK...: 300ms CPU time
Warning::
Third-party scripts: 3192ms (100% of total)

Main Thread Breakdown

Script Evaluation 46% Other 21% Style & Layout 17% Script Parsing & Compilation 8% Parse HTML & CSS 6%
ScriptTotalScriptingParse/CompileParty
Unattributable633ms79ms0ms3rd
https://www.ala.org/sites/default/files/js/js_2046u_XUQevkjYqSfIM_23AxrRK_TMdMWhbwcixqVSc.js?scope=footer&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok480ms149ms12ms3rd
https://cookie-cdn.cookiepro.com/scripttemplates/6.39.0/otBannerSdk.js450ms246ms46ms3rd
https://www.googletagmanager.com/gtag/js?id=G-QM624B6ZSD&cx=c&gtm=4e64h1368ms294ms71ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PGK7ZWT300ms224ms54ms3rd
https://www.ala.org/222ms8ms1ms3rd
https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js188ms170ms4ms3rd
https://cdn.feathr.co/js/boomerang.min.js159ms128ms17ms3rd
https://salesiq.zohopublic.com/widget120ms91ms21ms3rd
https://www.ala.org/sites/default/files/js/js_FIlxsE_HGCRqvLjBtiVBSi42am5vEquISXK_oMNelbw.js?scope=footer&delta=5&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok118ms4ms5ms3rd

Showing top 10 of 12 scripts

D
Page Weight Inventory
Action
85 resources · 1.4 MB · 290 KB savings available
FIX
85 resources · 1.4 MB · 290 KB savings available
Warning::
Page weight 457 KB over 1MB target
Got: 1.4 MB Expected: ≤ 1 MB
Info::
~290 KB of savings available
Warning::
84 third-party resources (100% of weight)
Info::
1 resources over 200KB
85 resources · 1.4 MiB · 84 third-party 457.0 KiB over 1MB target
JavaScript 44% · 652.9 KiB
Image 39% · 576.3 KiB
Font 8% · 125.4 KiB
CSS 4% · 53.6 KiB
Document 3% · 38.7 KiB
Other 2% · 34.1 KiB

~289.6 KiB of savings available

Remove unused JavaScript: 289.6 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.

B
Page Weight Budget
1.4 MB transferred, 85 requests
REVIEW
1.4 MB transferred, 85 requests
Info::
Page weighs 3.2 MB (1.4 MB transferred)
Warning::
JavaScript is 639 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 639 KB
Info::
85 HTTP requests
Info::
Estimated 0.30 g CO2 per page load
1.4 MB / 2.4 MB budget
1.4 MB transferred
85 requests
0.30 g CO2 per page load
JavaScript 638.5 KiB 43%
Images 574.1 KiB 39%
Fonts 125.4 KiB 8%
CSS 48.7 KiB 3%
Other 35.3 KiB 2%
HTML 32.4 KiB 2%
Other 17.3 KiB 1%
Other 8.8 KiB 1%
Other 555 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

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

C
Image Optimization
Action
26 images, 0 KB saveable
REVIEW
26 images, 0 KB saveable
Warning::
https://www.ala.org/themes/custom/ala/logo.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ala.org/themes/custom/ala/assets/image... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
26 images 574 KB
0 oversized -0 KB
12 legacy format
3 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

Performance issues directly impact user engagement and conversion rates.

C
JS Bundles
Action
24 scripts, 290 KB unused
REVIEW
24 scripts, 290 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-QM62...: 70 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PGK...: 68 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cookie-cdn.cookiepro.com/scripttemplates/6...: 45 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://salesiq.zohopublic.com/widget: 32 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.ala.org/sites/default/files/js/js_2046...: 30 KB unused (75%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 290 KB
290 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-QM624B6ZSD&cx=c&gtm=4e64h1176 KB70 KB (40%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PGK7ZWT138 KB68 KB (49%)✓3rd
https://cookie-cdn.cookiepro.com/scripttemplates/6.39.0/otBannerSdk.js89 KB45 KB (51%)✓3rd
https://salesiq.zohopublic.com/widget48 KB32 KB (66%)✓3rd
https://www.ala.org/sites/default/files/js/js_2046u_XUQevkjYqSfIM_23AxrRK_TMdMWhbwcixqVSc.js?scope=footer&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok40 KB30 KB (75%)✓3rd
https://cdn.jsdelivr.net/npm/swiper@9/swiper-bundle.min.js40 KB24 KB (62%)✓3rd
https://static.addtoany.com/menu/modules/core.ydpp7jcu.js26 KB21 KB (82%)✓3rd
https://static.addtoany.com/menu/page.js2 KB—✓3rd
https://www.ala.org/modules/contrib/google_tag/js/gtag.js?tdtaih1 KB—✓3rd
https://www.ala.org/sites/default/files/js/js_NhnB-mPnYFLm0wXapvstfan2zQUvUYFg-Fi2v1Ik8iI.js?scope=header&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok1 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

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
6 fonts (125 KB)
PASS
6 fonts (125 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

125 KB total

Render-blocking

0

of 6

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 FCP 4.2 s LCP 11.9 sdata:application/font-woff;charset=utf-8;base64, d09GRgABAAAAAAZgABAAAAAADAAAAAAAAAAAAAAAAAAAAAAAAA…font-woff;charset=utf-8... data:application/font-woff;charset=utf-8;base64, d09GRgABAAAAAAZgABAAAAAADAAAAAAAAAAAAAAAAAAAAAAAAA… — 1.6 KiB — 7 ms — font-display: swaphttps://use.typekit.net/af/2faad1/00000000000000007735a7dd/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n3&v=3l https://use.typekit.net/af/2faad1/00000000000000007735a7dd/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n3&v=3 — 22.3 KiB — 45 ms — font-display: swaphttps://use.typekit.net/af/63a8e1/00000000000000007735a815/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3l https://use.typekit.net/af/63a8e1/00000000000000007735a815/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3 — 22.6 KiB — 48 ms — font-display: swaphttps://fonts.gstatic.com/s/bitter/v40/rax8HiqOu8IVPmn7f4xpLjpSmw.woff2rax8HiqOu8IVPmn7f4xpLjp... https://fonts.gstatic.com/s/bitter/v40/rax8HiqOu8IVPmn7f4xpLjpSmw.woff2 — 33.4 KiB — 45 ms — font-display: swaphttps://use.typekit.net/af/02cde8/00000000000000007735a7f7/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=i3&v=3l https://use.typekit.net/af/02cde8/00000000000000007735a7f7/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=i3&v=3 — 23.1 KiB — 118 ms — font-display: swaphttps://use.typekit.net/af/45ecb0/00000000000000007735a7e3/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3l https://use.typekit.net/af/45ecb0/00000000000000007735a7e3/30/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3 — 22.4 KiB — 46 ms — font-display: swap
font-woff;charset=utf-8... woff swap
Size 2 KB
Load time 7 ms
Start 340 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
l woff2 swap
Size 22 KB
Load time 45 ms
Start 346 ms
Risk FOUT — text flashes from fallback to web font
l woff2 swap
Size 23 KB
Load time 48 ms
Start 350 ms
Risk FOUT — text flashes from fallback to web font
rax8HiqOu8IVPmn7f4xpLjp... woff2 swap
Size 33 KB
Load time 45 ms
Start 350 ms
Risk FOUT — text flashes from fallback to web font
l woff2 swap
Size 23 KB
Load time 118 ms
Start 351 ms
Risk FOUT — text flashes from fallback to web font
l woff2 swap
Size 22 KB
Load time 46 ms
Start 351 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
6 hints, 0 missing preconnects
PASS
6 hints, 0 missing preconnects
Info::
Page uses 6 resource hint(s)

Current Resource Hints

preconnect
4
preload
2
dns-prefetch
—
prefetch
—

6 resource hints configured

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
Network Waterfall
85 requests over 2785ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 4.2 s LCP 11.9 shttps://ala.org// https://ala.org/ — 301 — 207 B — 19 ms — h2https://www.ala.org/www.ala.org/ https://www.ala.org/ — 200 — 31.4 KiB — 39 ms — h2https://www.ala.org/sites/default/files/css/css_eqCsXtjO-JgYGXET4wR1XvAZwO8OnU4LjLktiQvqfyQ.css?delta=0&language=en&theme=ala&include=eJxNjmsOgzAMgy_U0iOhtM2gEJoqScXY6aexB_tjfbYsy5CzMdQjwAeGm3A1BwRhIo5AJzYQmATa7L0dDb1PXY03T6WuejZ0Lw1lOc0YQTG85HIbqsKE6tKKuRjLWGrGapE4reGPXWLBkKU3oAEWuL-DyrIBlQc6goO7jbEXyijBdk5Mo2KywtX9nup340qGXluPVHTG7PRQw-18-QQr12UWwww.ala.org/sites/default/files/css... https://www.ala.org/sites/default/files/css/css_eqCsXtjO-JgYGXET4wR1XvAZwO8OnU4LjLktiQvqfyQ.css?delta=0&language=en&theme=ala&include=eJxNjmsOgzAMgy_U0iOhtM2gEJoqScXY6aexB_tjfbYsy5CzMdQjwAeGm3A1BwRhIo5AJzYQmATa7L0dDb1PXY03T6WuejZ0Lw1lOc0YQTG85HIbqsKE6tKKuRjLWGrGapE4reGPXWLBkKU3oAEWuL-DyrIBlQc6goO7jbEXyijBdk5Mo2KywtX9nup340qGXluPVHTG7PRQw-18-QQr12UW — 200 — 2.4 KiB — 17 ms — h2https://www.ala.org/sites/default/files/css/css_PQygCq59F1HS8-gqwiJ4rp-cntjyDT3qjr_AQYuARGU.css?delta=1&language=en&theme=ala&include=eJxNjmsOgzAMgy_U0iOhtM2gEJoqScXY6aexB_tjfbYsy5CzMdQjwAeGm3A1BwRhIo5AJzYQmATa7L0dDb1PXY03T6WuejZ0Lw1lOc0YQTG85HIbqsKE6tKKuRjLWGrGapE4reGPXWLBkKU3oAEWuL-DyrIBlQc6goO7jbEXyijBdk5Mo2KywtX9nup340qGXluPVHTG7PRQw-18-QQr12UWwww.ala.org/sites/default/files/css... https://www.ala.org/sites/default/files/css/css_PQygCq59F1HS8-gqwiJ4rp-cntjyDT3qjr_AQYuARGU.css?delta=1&language=en&theme=ala&include=eJxNjmsOgzAMgy_U0iOhtM2gEJoqScXY6aexB_tjfbYsy5CzMdQjwAeGm3A1BwRhIo5AJzYQmATa7L0dDb1PXY03T6WuejZ0Lw1lOc0YQTG85HIbqsKE6tKKuRjLWGrGapE4reGPXWLBkKU3oAEWuL-DyrIBlQc6goO7jbEXyijBdk5Mo2KywtX9nup340qGXluPVHTG7PRQw-18-QQr12UW — 200 — 43.8 KiB — 30 ms — h2https://www.ala.org/sites/default/files/js/js_NhnB-mPnYFLm0wXapvstfan2zQUvUYFg-Fi2v1Ik8iI.js?scope=header&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOokwww.ala.org/sites/default/files/js/... https://www.ala.org/sites/default/files/js/js_NhnB-mPnYFLm0wXapvstfan2zQUvUYFg-Fi2v1Ik8iI.js?scope=header&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok — 200 — 532 B — 25 ms — h2https://www.ala.org/modules/contrib/google_tag/js/gtag.js?tdtaihwww.ala.org/modules/contrib/google_... https://www.ala.org/modules/contrib/google_tag/js/gtag.js?tdtaih — 200 — 908 B — 23 ms — h2https://www.ala.org/modules/contrib/google_tag/js/gtm.js?tdtaihwww.ala.org/modules/contrib/google_... https://www.ala.org/modules/contrib/google_tag/js/gtm.js?tdtaih — 200 — 959 B — 22 ms — h2https://fonts.googleapis.com/css2?family=Bitter:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swapfonts.googleapis.com/css2?family=Bi... https://fonts.googleapis.com/css2?family=Bitter:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swap — 200 — 1.2 KiB — 132 ms — h2https://use.typekit.net/hww8zbp.cssuse.typekit.net/hww8zbp.css https://use.typekit.net/hww8zbp.css — 200 — 1.1 KiB — 210 ms — h2https://www.ala.org/themes/custom/ala/logo.svgwww.ala.org/themes/custom/ala/logo.... https://www.ala.org/themes/custom/ala/logo.svg — 200 — 2.9 KiB — 25 ms — h2https://www.ala.org/sites/default/files/styles/card_image_681x559/public/2026-04/for-ala-homepage3.jpg.webp?h=fcc9ac4b&itok=9aP10R8ywww.ala.org/sites/default/files/sty... https://www.ala.org/sites/default/files/styles/card_image_681x559/public/2026-04/for-ala-homepage3.jpg.webp?h=fcc9ac4b&itok=9aP10R8y — 200 — 84.3 KiB — 153 ms — 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  • cookie-cdn.cookiepro.com adds 450ms and costs ~€5/month
  • Google Tag Manager adds 368ms and costs ~€4/month
  • Google Tag Manager adds 300ms and costs ~€3/month
  • www.ala.org adds 222ms and costs ~€2/month

100% 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.

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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

Unattributable takes 633ms 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.ala.org takes 480ms 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

75% of www.ala.org'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

cookie-cdn.cookiepro.com takes 450ms 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

51% of cookie-cdn.cookiepro.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

Google Tag Manager takes 368ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Google Tag Manager takes 300ms 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.ala.org takes 222ms 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

66% of salesiq.zohopublic.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

62% of jsDelivr'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

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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