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https://Vipoftalmologia.com.br

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
1
REVIEW
3
PASS
11
INFO
2

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

Mobile Desktop
84
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

2.14 s

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

2.97 s

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

286 ms

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

0.036

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

4.76 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.

6.89 s

Page Load Progression

701 ms
1.4 s
2.1 s
2.8 s
3.5 s
4.2 s
4.9 s
5.6 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.
Info::
Last-Modified header present

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Page Weight Budget
1.1 MB transferred, 40 requests
REVIEW
1.1 MB transferred, 40 requests
Info::
Page weighs 2.2 MB (1.1 MB transferred)
Warning::
JavaScript is 542 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 542 KB
Info::
40 HTTP requests
Info::
Estimated 0.23 g CO2 per page load
1.1 MB / 2.4 MB budget
1.1 MB transferred
40 requests
0.23 g CO2 per page load
JavaScript 542.0 KiB 48%
Images 516.2 KiB 46%
Fonts 28.8 KiB 3%
CSS 20.5 KiB 2%
Other 6.2 KiB 1%
HTML 5.7 KiB 1%
Other 1.1 KiB 0%
Other 554 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
JS Execution Cost
Action
1702ms total JS execution
REVIEW
1702ms total JS execution
Warning::
https://vipoftalmologia.com.br/: 514ms CPU time
Warning::
Unattributable: 281ms CPU time
Info::
https://vipoftalmologia.com.br/cdn-cgi/challenge-p...: 229ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-73MS...: 211ms CPU time
Info::
https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0...: 159ms CPU time
Info::
Third-party scripts: 667ms (39% of total)

Main Thread Breakdown

Script Evaluation 48% Other 29% Style & Layout 11% Script Parsing & Compilation 6% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://vipoftalmologia.com.br/514ms34ms1ms1st
Unattributable281ms25ms0ms3rd
https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/scripts/jsd/main.js229ms220ms2ms1st
https://www.googletagmanager.com/gtag/js?id=G-73MSY1E9P5211ms175ms35ms3rd
https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js159ms117ms7ms1st
https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js133ms129ms1ms1st
https://connect.facebook.net/en_US/fbevents.js104ms73ms31ms3rd
https://connect.facebook.net/signals/config/1297699559168375?v=2.9.313&r=stable&domain=vipoftalmologia.com.br&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C48%2C146%2C77%2C112%2C47%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C16871ms60ms10ms3rd
C
JS Bundles
Action
19 scripts, 178 KB unused
REVIEW
19 scripts, 178 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-73MS...: 67 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://connect.facebook.net/en_US/fbevents.js: 37 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://vipoftalmologia.com.br/assets/index-CWencU...: 27 KB unused (48%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://vipoftalmologia.com.br/assets/radix-forms-...: 26 KB unused (91%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://vipoftalmologia.com.br/assets/router-vendo...: 20 KB unused (31%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 178 KB
178 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-73MSY1E9P5157 KB67 KB (43%)✓3rd
https://connect.facebook.net/en_US/fbevents.js97 KB37 KB (38%)✓3rd
https://vipoftalmologia.com.br/assets/index-CWencUWZ.js58 KB27 KB (48%)✓1st
https://vipoftalmologia.com.br/assets/radix-forms-B6BJyetl.js29 KB26 KB (91%)✓1st
https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js66 KB20 KB (31%)✓1st
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB—✓3rd
https://vipoftalmologia.com.br/assets/utils-vendor-0b25pyjL.js13 KB—✗1st
https://vipoftalmologia.com.br/assets/radix-overlays-9R0XlT2w.js3 KB—✓1st
https://vipoftalmologia.com.br/assets/radix-nav-DzgJtKUt.js6 KB—✓1st
https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js4 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

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

A
Third-Party Impact
27% third-party, 0 ms blocking
PASS
27% third-party, 0 ms blocking
Info::
Third-party code accounts for 27% of page weight (304.1 KiB of 1.1 MiB)
Info::
Third-party blocking time is low (0 ms)
73%
27%
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
Image Optimization
9 images, 0 KB saveable
PASS
9 images, 0 KB saveable
Info::
All images are well-optimized
9 images 516 KB
0 oversized -0 KB
2 legacy format
0 missing dimensions CLS risk
A+
Font Loading
1 fonts (29 KB)
PASS
1 fonts (29 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

29 KB total

Render-blocking

0

of 1

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 FCP 2.1 s LCP 3.0 shttps://vipoftalmologia.com.br/cf-fonts/v/quicksand/5.0.16/latin/wght/normal.woff2normal.woff2 https://vipoftalmologia.com.br/cf-fonts/v/quicksand/5.0.16/latin/wght/normal.woff2 — 28.8 KiB — 30 ms — font-display: swap
normal.woff2 woff2 swap
Size 29 KB
Load time 30 ms
Start 2.4 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
6 hints, 0 missing preconnects
PASS
6 hints, 0 missing preconnects
Info::
Page uses 6 resource hint(s)

Current Resource Hints

preconnect
1
preload
2
dns-prefetch
3
prefetch
—

6 resource hints configured

A+
Page Weight Inventory
40 resources · 1.1 MB · 178 KB savings available
PASS
40 resources · 1.1 MB · 178 KB savings available
Warning::
Page weight 97 KB over 1MB target
Got: 1.1 MB Expected: ≤ 1 MB
Info::
~178 KB of savings available
Info::
9 third-party resources (27% of weight)
40 resources · 1.1 MiB · 9 third-party 97.1 KiB over 1MB target
JavaScript 48% · 542.0 KiB
Image 46% · 521.3 KiB
Font 3% · 28.8 KiB
CSS 2% · 20.5 KiB
Document 1% · 5.7 KiB
Other 0% · 2.8 KiB

~177.9 KiB of savings available

Remove unused JavaScript: 177.9 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
40 requests over 3477ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 2.1 s LCP 3.0 shttps://vipoftalmologia.com.br// https://vipoftalmologia.com.br/ — 200 — 5.7 KiB — 607 ms — h2https://vipoftalmologia.com.br/cdn-cgi/speculation/cdn-cgi/speculation https://vipoftalmologia.com.br/cdn-cgi/speculation — 200 — 459 B — 21 ms — h2https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;600;800&family=DM+Serif+Display&display=swapfonts.googleapis.com/css2?family=Qu... https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;600;800&family=DM+Serif+Display&display=swap — 200 — 1.2 KiB — 97 ms — h2https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js/cdn-cgi/scripts/7d0fa10a/cloudflar... https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js — 200 — 4.2 KiB — 24 ms — h2https://vipoftalmologia.com.br/assets/5c9b9d2f-c993-48fe-b8df-a28093c0452c.webp/assets/5c9b9d2f-c993-48fe-b8df-a28... https://vipoftalmologia.com.br/assets/5c9b9d2f-c993-48fe-b8df-a28093c0452c.webp — 200 — 78.1 KiB — 911 ms — h2https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js/assets/router-vendor-yMb0yaIv.js https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js — 200 — 66.4 KiB — 921 ms — h2https://vipoftalmologia.com.br/assets/radix-core-5XhX4Kie.js/assets/radix-core-5XhX4Kie.js https://vipoftalmologia.com.br/assets/radix-core-5XhX4Kie.js — 200 — 1.8 KiB — 574 ms — h2https://vipoftalmologia.com.br/assets/utils-vendor-0b25pyjL.js/assets/utils-vendor-0b25pyjL.js https://vipoftalmologia.com.br/assets/utils-vendor-0b25pyjL.js — 200 — 13.0 KiB — 750 ms — h2https://vipoftalmologia.com.br/assets/index-CYdFGH6Y.css/assets/index-CYdFGH6Y.css https://vipoftalmologia.com.br/assets/index-CYdFGH6Y.css — 200 — 19.2 KiB — 733 ms — h2https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 102 ms — h2https://vipoftalmologia.com.br/assets/index-CWencUWZ.js/assets/index-CWencUWZ.js https://vipoftalmologia.com.br/assets/index-CWencUWZ.js — 200 — 57.6 KiB — 918 ms — h3https://public-frontend-1300249583.cos.ap-nanjing.myqcloud.com/commonfile/DefaultAppLogo.pngpublic-frontend-1300249583.cos.ap-n... https://public-frontend-1300249583.cos.ap-nanjing.myqcloud.com/commonfile/DefaultAppLogo.png — 200 — 5.1 KiB — 1.3 s — http/1.1https://vipoftalmologia.com.br/api/config/api/config https://vipoftalmologia.com.br/api/config — 301 — 495 B — 57 ms — h3https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 223 B — 31 ms — h3https://vipoftalmologia.com.br/assets/DeferredProviders-D2BBC0ev.js/assets/DeferredProviders-D2BBC0ev.... https://vipoftalmologia.com.br/assets/DeferredProviders-D2BBC0ev.js — 200 — 12.8 KiB — 726 ms — h3https://vipoftalmologia.com.br/assets/radix-overlays-9R0XlT2w.js/assets/radix-overlays-9R0XlT2w.js https://vipoftalmologia.com.br/assets/radix-overlays-9R0XlT2w.js — 200 — 3.1 KiB — 575 ms — h3https://vipoftalmologia.com.br/assets/radix-nav-DzgJtKUt.js/assets/radix-nav-DzgJtKUt.js https://vipoftalmologia.com.br/assets/radix-nav-DzgJtKUt.js — 200 — 6.1 KiB — 574 ms — h3https://vipoftalmologia.com.br/assets/radix-forms-B6BJyetl.js/assets/radix-forms-B6BJyetl.js https://vipoftalmologia.com.br/assets/radix-forms-B6BJyetl.js — 200 — 29.2 KiB — 776 ms — h3https://vipoftalmologia.com.br/assets/query-vendor-BWQ1ZMva.js/assets/query-vendor-BWQ1ZMva.js https://vipoftalmologia.com.br/assets/query-vendor-BWQ1ZMva.js — 200 — 11.0 KiB — 738 ms — h3https://vipoftalmologia.com.br/assets/logo.webp/assets/logo.webp https://vipoftalmologia.com.br/assets/logo.webp — 200 — 28.1 KiB — 773 ms — h3https://vipoftalmologia.com.br/cdn-cgi/rum?/cdn-cgi/rum? https://vipoftalmologia.com.br/cdn-cgi/rum? — 204 — 518 B — 20 ms — h3https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/g/scripts/jsd/fe6331af5207/main.js?/cdn-cgi/challenge-platform/h/g/scr... https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/g/scripts/jsd/fe6331af5207/main.js? — 200 — 10.5 KiB — 24 ms — h3https://vipoftalmologia.com.br/assets/48bf950c-cc98-4d69-aeb4-57a2ede64449.webp/assets/48bf950c-cc98-4d69-aeb4-57a... https://vipoftalmologia.com.br/assets/48bf950c-cc98-4d69-aeb4-57a2ede64449.webp — 200 — 80.5 KiB — 919 ms — h3https://vipoftalmologia.com.br/assets/fecedf85-bb23-4878-8f93-d157ffc824ce.webp/assets/fecedf85-bb23-4878-8f93-d15... https://vipoftalmologia.com.br/assets/fecedf85-bb23-4878-8f93-d157ffc824ce.webp — 200 — 68.2 KiB — 911 ms — h3https://vipoftalmologia.com.br/assets/e3fe5b9d-574d-4ecc-85cb-2941e8f8ef0b.webp/assets/e3fe5b9d-574d-4ecc-85cb-294... https://vipoftalmologia.com.br/assets/e3fe5b9d-574d-4ecc-85cb-2941e8f8ef0b.webp — 200 — 109.5 KiB — 1.1 s — h3https://vipoftalmologia.com.br/assets/7286f1bd-c577-46c0-9cc2-aa1522f13775.webp/assets/7286f1bd-c577-46c0-9cc2-aa1... https://vipoftalmologia.com.br/assets/7286f1bd-c577-46c0-9cc2-aa1522f13775.webp — 200 — 100.5 KiB — 1.1 s — h3https://vipoftalmologia.com.br/assets/drmario.webp/assets/drmario.webp https://vipoftalmologia.com.br/assets/drmario.webp — 200 — 51.1 KiB — 911 ms — h3https://vipoftalmologia.com.br/cf-fonts/v/quicksand/5.0.16/latin/wght/normal.woff2/cf-fonts/v/quicksand/5.0.16/latin/... https://vipoftalmologia.com.br/cf-fonts/v/quicksand/5.0.16/latin/wght/normal.woff2 — 200 — 28.8 KiB — 30 ms — h3https://vipoftalmologia.com.br// https://vipoftalmologia.com.br/ — 200 — 0 B — 3 ms — h2https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/g/jsd/oneshot/fe6331af5207/0.8602746397229658:1777770423:OONNb1qGoR_zaEu-x2mT0-GZAc42EWBL9XkHMo3au5A/9f5b7cba0d05d12b/cdn-cgi/challenge-platform/h/g/jsd... https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/g/jsd/oneshot/fe6331af5207/0.8602746397229658:1777770423:OONNb1qGoR_zaEu-x2mT0-GZAc42EWBL9XkHMo3au5A/9f5b7cba0d05d12b — 200 — 641 B — 24 ms — h3
0 ms 1.0 s 2.0 s 3.0 s FCP 2.1 s LCP 3.0 shttps://vipoftalmologia.com.br// https://vipoftalmologia.com.br/ — 200 — 5.7 KiB — 607 ms — h2https://vipoftalmologia.com.br/cdn-cgi/speculation/cdn-cgi/speculation https://vipoftalmologia.com.br/cdn-cgi/speculation — 200 — 459 B — 21 ms — h2https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;600;800&family=DM+Serif+Display&display=swapfonts.googleapis.com/css2?family=Qu... https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;600;800&family=DM+Serif+Display&display=swap — 200 — 1.2 KiB — 97 ms — h2https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js/cdn-cgi/scripts/7d0fa10a/cloudflar... https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js — 200 — 4.2 KiB — 24 ms — h2https://vipoftalmologia.com.br/assets/5c9b9d2f-c993-48fe-b8df-a28093c0452c.webp/assets/5c9b9d2f-c993-48fe-b8df-a28... https://vipoftalmologia.com.br/assets/5c9b9d2f-c993-48fe-b8df-a28093c0452c.webp — 200 — 78.1 KiB — 911 ms — h2https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js/assets/router-vendor-yMb0yaIv.js https://vipoftalmologia.com.br/assets/router-vendor-yMb0yaIv.js — 200 — 66.4 KiB — 921 ms — h2https://vipoftalmologia.com.br/assets/radix-core-5XhX4Kie.js/assets/radix-core-5XhX4Kie.js https://vipoftalmologia.com.br/assets/radix-core-5XhX4Kie.js — 200 — 1.8 KiB — 574 ms — h2https://vipoftalmologia.com.br/assets/utils-vendor-0b25pyjL.js/assets/utils-vendor-0b25pyjL.js https://vipoftalmologia.com.br/assets/utils-vendor-0b25pyjL.js — 200 — 13.0 KiB — 750 ms — h2https://vipoftalmologia.com.br/assets/index-CYdFGH6Y.css/assets/index-CYdFGH6Y.css https://vipoftalmologia.com.br/assets/index-CYdFGH6Y.css — 200 — 19.2 KiB — 733 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
39% of JavaScript execution is third-party
First-party Third-party 667ms · 286KB · R$36/mo
Unattributable
Other
Costly
Execution 281ms
Transfer 0 KB
Monthly Cost R$15/mo
Google Tag Manager
Tag Manager
Costly
Execution 211ms
Transfer 157 KB
Unused 43%
Monthly Cost R$11/mo
Facebook Pixel
Advertising
Optional
Execution 104ms
Transfer 97 KB
Unused 38%
Monthly Cost R$6/mo
Facebook Pixel
Advertising
Optional
Execution 71ms
Transfer 32 KB
Monthly Cost R$4/mo

These scripts may cost more than they're worth

  • Unattributable adds 281ms and costs ~R$15/month
  • Google Tag Manager adds 211ms and costs ~R$11/month

Unattributable takes 281ms 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 211ms 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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