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https://vipoftalmologia.com.br

Performance

· 26 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
92
GRADE
A
FIX
1
REVIEW
4
PASS
18
INFO
3

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

Mobile Desktop
79
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.

2.43 s

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

3.08 s

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

364 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.

4.59 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.

6.85 s

Page Load Progression

674 ms
1.3 s
2.0 s
2.7 s
3.4 s
4.0 s
4.7 s
5.4 s
Checks
26
18 PASS 4 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, 41 requests
REVIEW
1.1 MB transferred, 41 requests
Info::
Page weighs 2.3 MB (1.1 MB transferred)
Warning::
JavaScript is 541 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 541 KB
Info::
41 HTTP requests
Info::
Estimated 0.23 g CO2 per page load
1.1 MB / 2.4 MB budget
1.1 MB transferred
41 requests
0.23 g CO2 per page load
JavaScript 540.5 KiB 48%
Images 516.0 KiB 46%
Fonts 28.1 KiB 3%
CSS 20.7 KiB 2%
HTML 10.2 KiB 1%
Other 6.2 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
1713ms total JS execution
REVIEW
1713ms total JS execution
Warning::
https://vipoftalmologia.com.br/: 366ms CPU time
Warning::
Unattributable: 314ms CPU time
Warning::
https://vipoftalmologia.com.br/cdn-cgi/challenge-p...: 270ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-73MS...: 217ms CPU time
Info::
https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0...: 177ms CPU time
Info::
Third-party scripts: 415ms (24% of total)

Main Thread Breakdown

Script Evaluation 55% Other 24% Style & Layout 11% Script Parsing & Compilation 6%
ScriptTotalScriptingParse/CompileParty
https://vipoftalmologia.com.br/366ms37ms1ms1st
Unattributable314ms26ms0ms1st
https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/scripts/jsd/main.js270ms259ms2ms1st
https://www.googletagmanager.com/gtag/js?id=G-73MSY1E9P5217ms177ms38ms3rd
https://vipoftalmologia.com.br/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js177ms134ms6ms1st
https://vipoftalmologia.com.br/assets/router-vendor-Ca-CWbEB.js171ms167ms0ms1st
https://connect.facebook.net/en_US/fbevents.js121ms88ms32ms3rd
https://connect.facebook.net/signals/config/1297699559168375?v=2.9.319&r=stable&domain=vipoftalmologia.com.br&hme=7441a59ee5070e08bd0157a62d39bd95bf3afdcc83dafbad800e78b5416300a9&ex_m=104%2C207%2C155%2C22%2C72%2C73%2C146%2C68%2C67%2C11%2C164%2C90%2C16%2C138%2C48%2C147%2C77%2C112%2C47%2C127%2C39%2C75%2C78%2C134%2C160%2C166%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C167%2C172%2C221%2C62%2C188%2C189%2C55%2C278%2C30%2C74%2C233%2C232%2C231%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C156%2C76%2C159%2C157%2C158%2C50%2C60%2C123%2C15%2C163%2C45%2C265%2C266%2C264%2C26%2C27%2C28%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C145%2C148%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C150%2C149%2C151%2C142%2C140%2C25%2C35%2C59%2C109%2C162%2C70%2C17%2C153%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C139%2C161%2C34%2C280%2C296%2C214%2C203%2C204%2C202%2C299%2C290%2C52%2C215%2C107%2C131%2C80%2C121%2C54%2C49%2C113%2C120%2C126%2C58%2C64%2C152%2C115%2C37%2C32%2C53%2C56%2C100%2C165%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C168%2C169%2C94%2C95%2C9%2C125%2C102%2C51%2C143%2C87%2C79%2C71%2C117%2C106%2C43%2C144%2C0%2C82%2C137%2C141%2C154%2C38%2C108%2C13%2C17077ms67ms10ms3rd
C
JS Bundles
Action
20 scripts, 173 KB unused
REVIEW
20 scripts, 173 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-73MS...: 68 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-D1rrpi...: 27 KB unused (47%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://vipoftalmologia.com.br/assets/radix-forms-...: 21 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: 173 KB
173 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-73MSY1E9P5158 KB68 KB (43%)✓3rd
https://connect.facebook.net/en_US/fbevents.js97 KB37 KB (38%)✓3rd
https://vipoftalmologia.com.br/assets/index-D1rrpic_.js58 KB27 KB (47%)✓1st
https://vipoftalmologia.com.br/assets/radix-forms-SgqbhO9M.js24 KB21 KB (91%)✓1st
https://vipoftalmologia.com.br/assets/router-vendor-Ca-CWbEB.js66 KB20 KB (31%)✓1st
https://vipoftalmologia.com.br/assets/query-vendor-pXQ6rTD-.js10 KB—✓1st
https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/b/scripts/jsd/883a1f27d85f/main.js?10 KB—✓1st
https://vipoftalmologia.com.br/assets/radix-overlays-BVS0E4jt.js3 KB—✓1st
https://vipoftalmologia.com.br/assets/radix-nav-BMVAjGMq.js6 KB—✓1st
https://static.cloudflareinsights.com/beacon.min.js/v833ccba57c9e4d2798f2e76cebdd09a1177817227644711 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

B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
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 (305.9 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
1 legacy format
0 missing dimensions CLS risk
A+
Font Loading
1 fonts (28 KB)
PASS
1 fonts (28 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

28 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 2.4 s LCP 3.1 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 — 28.1 KiB — 33 ms — font-display: swap
normal.woff2 woff2 swap
Size 28 KB
Load time 33 ms
Start 2.0 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
6 hints, 0 missing preconnects
PASS
6 hints, 0 missing preconnects
Info::
1 dns-prefetch redundant with preconnect on same origin
preconnect already does the DNS lookup; adding dns-prefetch to the same origin is at best a no-op. Sample: https://mgx-backend-cdn.metadl.com. Remove the redundant dns-prefetch entries.
Info::
1 URL(s) appear in multiple hints
The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://mgx-backend-cdn.metadl.com (preconnect+dns-prefetch).
Info::
Page uses 6 resource hint(s)

Current Resource Hints

preconnect
1
preload
2
dns-prefetch
3
prefetch
—

6 resource hints configured

preconnect already does the DNS lookup; adding dns-prefetch to the same origin is at best a no-op. Sample: https://mgx-backend-cdn.metadl.com. Remove the redundant dns-prefetch entries.

Why this matters

Performance issues directly impact user engagement and conversion rates.

The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://mgx-backend-cdn.metadl.com (preconnect+dns-prefetch).

Why this matters

Performance issues directly impact user engagement and conversion rates.

A+
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
PASS
HTTP/3 advertised via Alt-Svc
Info::
HTTP/3 (QUIC) is supported
First-load mobile users on cellular networks see meaningful latency improvements with HTTP/3. The QUIC transport collapses TLS + TCP handshakes into one and recovers faster from packet loss.
A+
Compression Algorithm
Main response uses brotli
PASS
Main response uses brotli
Info::
Main HTML response uses brotli (Content-Encoding: br)
Brotli is the best text-compression algorithm for general use, ~20% smaller than gzip on average (40% on smaller files). Modern browsers all support it.
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Server-Timing Observability
4 Server-Timing entries advertised
PASS
4 Server-Timing entries advertised
Info::
Server-Timing header advertises 4 timing entries
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: Accept-Encoding
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Info::
`Last-Modified` present -- timestamp-based conditional GET supported
Consider also setting `ETag` for stronger revalidation -- ETags are content hashes that don't suffer from clock-skew or DST issues. Last-Modified alone is functional for conditional GETs and not a bug.
A+
Page Weight Inventory
41 resources · 1.1 MB · 173 KB savings available
PASS
41 resources · 1.1 MB · 173 KB savings available
Warning::
Page weight 1.1 MB exceeds 1 MB target by 100 KB
Got: 1.1 MB Expected: ≤ 1 MB
Info::
~173 KB of savings available
Info::
9 third-party resources (27% of weight)
41 resources · 1.1 MiB · 9 third-party 99.6 KiB over 1MB target
JavaScript 48% · 540.5 KiB
Image 46% · 521.1 KiB
Font 3% · 28.1 KiB
CSS 2% · 20.7 KiB
Document 1% · 10.2 KiB
Other 0% · 2.8 KiB

~173.3 KiB of savings available

Remove unused JavaScript: 173.3 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
JavaScript Blocking
1 JS blocking issue(s) detected
PASS
1 JS blocking issue(s) detected
Warning::
1 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
A+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
No CSS performance depth issues 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
41 requests over 3083ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 2.4 s LCP 3.1 shttps://vipoftalmologia.com.br// https://vipoftalmologia.com.br/ — 200 — 10.2 KiB — 786 ms — h2https://vipoftalmologia.com.br/cdn-cgi/speculation/cdn-cgi/speculation https://vipoftalmologia.com.br/cdn-cgi/speculation — 200 — 468 B — 20 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 — 119 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 — 23 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 — 155 ms — h2https://vipoftalmologia.com.br/assets/router-vendor-Ca-CWbEB.js/assets/router-vendor-Ca-CWbEB.js https://vipoftalmologia.com.br/assets/router-vendor-Ca-CWbEB.js — 200 — 66.5 KiB — 539 ms — h2https://vipoftalmologia.com.br/assets/radix-core-CWLmeRtz.js/assets/radix-core-CWLmeRtz.js https://vipoftalmologia.com.br/assets/radix-core-CWLmeRtz.js — 200 — 1.7 KiB — 529 ms — h2https://vipoftalmologia.com.br/assets/utils-vendor-D-tsi9h0.js/assets/utils-vendor-D-tsi9h0.js https://vipoftalmologia.com.br/assets/utils-vendor-D-tsi9h0.js — 200 — 13.8 KiB — 524 ms — h2https://vipoftalmologia.com.br/assets/index-CYj1TzNj.css/assets/index-CYj1TzNj.css https://vipoftalmologia.com.br/assets/index-CYj1TzNj.css — 200 — 19.5 KiB — 532 ms — h2https://static.cloudflareinsights.com/beacon.min.js/v833ccba57c9e4d2798f2e76cebdd09a11778172276447static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v833ccba57c9e4d2798f2e76cebdd09a11778172276447 — 200 — 11.4 KiB — 87 ms — h2https://vipoftalmologia.com.br/assets/index-D1rrpic_.js/assets/index-D1rrpic_.js https://vipoftalmologia.com.br/assets/index-D1rrpic_.js — 200 — 57.8 KiB — 579 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 — 1.7 s — http/1.1https://vipoftalmologia.com.br/api/config/api/config https://vipoftalmologia.com.br/api/config — 301 — 490 B — 74 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 — 72 ms — h3https://vipoftalmologia.com.br/assets/DeferredProviders-BJvb5TsB.js/assets/DeferredProviders-BJvb5TsB.... https://vipoftalmologia.com.br/assets/DeferredProviders-BJvb5TsB.js — 200 — 12.8 KiB — 527 ms — h3https://vipoftalmologia.com.br/assets/radix-overlays-BVS0E4jt.js/assets/radix-overlays-BVS0E4jt.js https://vipoftalmologia.com.br/assets/radix-overlays-BVS0E4jt.js — 200 — 3.1 KiB — 527 ms — h3https://vipoftalmologia.com.br/assets/radix-nav-BMVAjGMq.js/assets/radix-nav-BMVAjGMq.js https://vipoftalmologia.com.br/assets/radix-nav-BMVAjGMq.js — 200 — 5.9 KiB — 523 ms — h3https://vipoftalmologia.com.br/assets/radix-forms-SgqbhO9M.js/assets/radix-forms-SgqbhO9M.js https://vipoftalmologia.com.br/assets/radix-forms-SgqbhO9M.js — 200 — 23.9 KiB — 519 ms — h3https://vipoftalmologia.com.br/assets/query-vendor-pXQ6rTD-.js/assets/query-vendor-pXQ6rTD-.js https://vipoftalmologia.com.br/assets/query-vendor-pXQ6rTD-.js — 200 — 10.5 KiB — 518 ms — h3https://vipoftalmologia.com.br/assets/CookieConsent-C62s4h04.js/assets/CookieConsent-C62s4h04.js https://vipoftalmologia.com.br/assets/CookieConsent-C62s4h04.js — 200 — 1.7 KiB — 535 ms — h3https://vipoftalmologia.com.br/assets/logo.webp/assets/logo.webp https://vipoftalmologia.com.br/assets/logo.webp — 200 — 28.1 KiB — 648 ms — h3https://vipoftalmologia.com.br/cdn-cgi/rum?/cdn-cgi/rum? https://vipoftalmologia.com.br/cdn-cgi/rum? — 204 — 516 B — 22 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 — 566 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 — 559 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 — 566 ms — 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 — 546 ms — h3https://vipoftalmologia.com.br/assets/drmario.webp/assets/drmario.webp https://vipoftalmologia.com.br/assets/drmario.webp — 200 — 51.1 KiB — 557 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 — 28.1 KiB — 33 ms — h3https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/b/scripts/jsd/883a1f27d85f/main.js?/cdn-cgi/challenge-platform/h/b/scr... https://vipoftalmologia.com.br/cdn-cgi/challenge-platform/h/b/scripts/jsd/883a1f27d85f/main.js? — 200 — 10.5 KiB — 26 ms — h3https://vipoftalmologia.com.br// https://vipoftalmologia.com.br/ — 200 — 0 B — 6 ms — h2
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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
24% of JavaScript execution is third-party
First-party Third-party 415ms · 288KB · R$33/mo
Google Tag Manager
Tag Manager
Costly
Execution 217ms
Transfer 158 KB
Unused 43%
Monthly Cost R$17/mo
Facebook Pixel
Advertising
Optional
Execution 121ms
Transfer 97 KB
Unused 38%
Monthly Cost R$10/mo
Facebook Pixel
Advertising
Optional
Execution 77ms
Transfer 32 KB
Monthly Cost R$6/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 217ms and costs ~R$17/month

Google Tag Manager takes 217ms 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

Image Optimization
7 images, 384 KB total, 369 KB wasted
INFO

Image Optimization Audit

Total Images

7

Total Size

384 KB

Oversized

5

Wasted

369 KB

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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