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https://caixa.gov.br

Performance

· 22 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
7
PASS
8
INFO
3

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

Mobile Desktop
60
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
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.

1.79 s

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

5.19 s

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

98 ms

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

0.009

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

4.92 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.

5.89 s

Page Load Progression

801 ms
1.6 s
2.4 s
3.2 s
4.0 s
4.8 s
5.6 s
6.4 s
Checks
22
8 PASS 7 REVIEW 4 FIX
F
Page Weight Budget
Action
8.3 MB transferred, 92 requests
FIX
8.3 MB transferred, 92 requests
Critical::
Page weighs 12.1 MB (8.3 MB transferred)
Warning::
Images are 5.8 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 5.8 MB
Warning::
JavaScript is 1.8 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.8 MB
Info::
Fonts are 416 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 416 KB
Info::
92 HTTP requests
Info::
Estimated 1.7 g CO2 per page load
8.3 MB / 2.4 MB budget
8.3 MB transferred
92 requests
1.7 g CO2 per page load
Images 5.8 MiB 70%
JavaScript 1.8 MiB 22%
Fonts 416.5 KiB 5%
Other 101.6 KiB 1%
CSS 75.0 KiB 1%
HTML 59.5 KiB 1%
Other 3.8 KiB 0%
Other 871 B 0%
Other 559 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

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

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

D
JS Bundles
Action
29 scripts, 403 KB unused
FIX
29 scripts, 403 KB unused
Warning::
https://www.caixa.gov.br/_layouts/15/core.js?rev=9...: 108 KB unused (91%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.caixa.gov.br/Style%20Library/js/jquery...: 77 KB unused (87%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-PD5E...: 68 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-NDB...: 59 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.caixa.gov.br/_layouts/15/init.js?rev=R...: 54 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 403 KB
403 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.caixa.gov.br/_layouts/15/core.js?rev=9kCBQNkpbQYAoiVcZpdkJA%3D%3DTAG0119 KB108 KB (91%)✓1st
https://www.caixa.gov.br/Style%20Library/js/jquery-ui.min.js89 KB77 KB (87%)✓1st
https://www.googletagmanager.com/gtag/js?id=G-PD5EBJFQ7X&cx=c&gtm=4e65k1h1169 KB68 KB (40%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NDBHSL156 KB59 KB (38%)✓3rd
https://www.caixa.gov.br/_layouts/15/init.js?rev=RHfoRxFuwXZ%2BOo2JABCoHA%3D%3DTAG076 KB54 KB (72%)✓1st
https://www.caixa.gov.br/Style%20Library/js/swiper-bundle.min.js62 KB37 KB (60%)✗1st
https://tag.goadopt.io/injector.js/v2/0072?website_code=83c6ae62-0926-450e-a47d-9fcf609403bf943 KB—✓3rd
https://www.caixa.gov.br/Style%20Library/js/slick.min.js15 KB—✓1st
https://www.caixa.gov.br/WebResource.axd?d=tSn0Tfbshk3gR-CnFveKRteygcT3hOonS0dgStc4kkYcWld2vuXgEEqbUsN8k1xpX3tQnstIMbjApUnWjvg4I9rQJwaj6l5A6vtQvWy1rMI1&t=6383376266474986866 KB—✓1st
https://www.caixa.gov.br/Style%20Library/js/cabecalho.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

D
Page Weight Inventory
Action
92 resources · 8.3 MB · 403 KB savings available
FIX
92 resources · 8.3 MB · 403 KB savings available
Warning::
Page weight 8.3 MB exceeds 1 MB target by 7.3 MB
Got: 8.3 MB Expected: ≤ 1 MB
Info::
~403 KB of savings available
Info::
22 third-party resources (17% of weight)
Info::
13 resources over 200KB
92 resources · 8.3 MiB · 22 third-party 7.3 MiB over 1MB target
Image 70% · 5.8 MiB
JavaScript 22% · 1.8 MiB
Font 5% · 416.5 KiB
Other 1% · 105.1 KiB
CSS 1% · 75.0 KiB
Document 1% · 60.2 KiB

~402.7 KiB of savings available

Remove unused JavaScript: 402.7 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.

C
Image Optimization
Action
28 images, 0 KB saveable
REVIEW
28 images, 0 KB saveable
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... 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.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.caixa.gov.br/PublishingImages/nova-hom... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
28 images 5.8 MB
0 oversized -0 KB
27 legacy format
8 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

Performance issues directly impact user engagement and conversion rates.

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
1783ms total JS execution
REVIEW
1783ms total JS execution
Warning::
https://tag.goadopt.io/injector.js?website_code=83...: 490ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-NDB...: 247ms CPU time
Info::
https://www.caixa.gov.br/_layouts/15/core.js?rev=9...: 233ms CPU time
Info::
https://www.caixa.gov.br/Paginas/home-caixa.aspx: 226ms CPU time
Info::
Unattributable: 200ms CPU time
Warning::
Third-party scripts: 945ms (53% of total)

Main Thread Breakdown

Script Evaluation 51% Other 14% Script Parsing & Compilation 13% Style & Layout 11% Garbage Collection 6%
ScriptTotalScriptingParse/CompileParty
https://tag.goadopt.io/injector.js?website_code=83c6ae62-0926-450e-a47d-9fcf609403bf490ms265ms122ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NDBHSL247ms199ms16ms3rd
https://www.caixa.gov.br/_layouts/15/core.js?rev=9kCBQNkpbQYAoiVcZpdkJA%3D%3DTAG0233ms140ms15ms1st
https://www.caixa.gov.br/Paginas/home-caixa.aspx226ms14ms3ms1st
Unattributable200ms2ms0ms1st
https://www.caixa.gov.br/Style%20Library/js/swiper-bundle.min.js128ms41ms6ms1st
https://www.googletagmanager.com/gtag/js?id=G-PD5EBJFQ7X&cx=c&gtm=4e65k1h1127ms94ms19ms3rd
https://scripts.clarity.ms/0.8.64/clarity.js82ms75ms3ms3rd
https://www.caixa.gov.br/Style%20Library/js/jquery-ui.min.js50ms26ms23ms1st
B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
C
Compression Algorithm
Action
Main response served uncompressed
REVIEW
Main response served uncompressed
Info::
Main HTML response has no Content-Encoding (uncompressed)
The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.
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.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Third-Party Impact
17% third-party, 0 ms blocking
PASS
17% third-party, 0 ms blocking
Info::
Third-party code accounts for 17% of page weight (1.4 MiB of 8.3 MiB)
Info::
Third-party blocking time is low (0 ms)
83%
17%
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
6 fonts (416 KB)
PASS
6 fonts (416 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

416 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 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.8 s LCP 5.2 shttps://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Book.woffCAIXAStd-Book.woff https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Book.woff — 39.2 KiB — 105 ms — font-display: swaphttps://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-SemiBold.woffCAIXAStd-SemiBold.woff https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-SemiBold.woff — 40.3 KiB — 107 ms — font-display: swaphttps://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-solid-900.woff2 — 154.7 KiB — 65 ms — font-display: swaphttps://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Bold.woffCAIXAStd-Bold.woff https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Bold.woff — 40.1 KiB — 54 ms — font-display: swaphttps://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-regular-400.woff2fa-regular-400.woff2 https://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-regular-400.woff2 — 25.9 KiB — 46 ms — font-display: swaphttps://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-brands-400.woff2fa-brands-400.woff2 https://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-brands-400.woff2 — 116.4 KiB — 58 ms — font-display: swap
CAIXAStd-Book.woff woff swap
Size 39 KB
Load time 105 ms
Start 4.6 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
CAIXAStd-SemiBold.woff woff swap
Size 40 KB
Load time 107 ms
Start 4.6 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-solid-900.woff2 woff2 swap
Size 155 KB
Load time 65 ms
Start 4.7 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
CAIXAStd-Bold.woff woff swap
Size 40 KB
Load time 54 ms
Start 5.2 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-regular-400.woff2 woff2 swap
Size 26 KB
Load time 46 ms
Start 5.2 s
Risk FOUT — text flashes from fallback to web font
fa-brands-400.woff2 woff2 swap
Size 116 KB
Load time 58 ms
Start 5.2 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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)

Fixing the unchecked items could save ~171 KB and ~342 ms

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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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 Response Intelligence
1 server-response signal(s) detected
PASS
1 server-response signal(s) detected
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
Network Waterfall
92 requests over 8749ms
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 9.0 s FCP 1.8 s LCP 5.2 shttps://www.caixa.gov.br// https://www.caixa.gov.br/ — 302 — 265 B — 1.0 s — h2https://www.caixa.gov.br// https://www.caixa.gov.br/ — 302 — 682 B — 1.3 s — h2http://www.caixa.gov.br/Paginas/home-caixa.aspx/Paginas/home-caixa.aspx http://www.caixa.gov.br/Paginas/home-caixa.aspx — 307 — 0 B — 1 ms — http/1.1https://www.caixa.gov.br/Paginas/home-caixa.aspx/Paginas/home-caixa.aspx https://www.caixa.gov.br/Paginas/home-caixa.aspx — 200 — 59.5 KiB — 1.0 s — h2https://tag.goadopt.io/injector.js?website_code=83c6ae62-0926-450e-a47d-9fcf609403bftag.goadopt.io/injector.js?website_... https://tag.goadopt.io/injector.js?website_code=83c6ae62-0926-450e-a47d-9fcf609403bf — 302 — 543 B — 47 ms — h2https://cdn.rybena.com.br/dom/master/caixa/rybena.jscdn.rybena.com.br/dom/master/caixa/... https://cdn.rybena.com.br/dom/master/caixa/rybena.js — 200 — 33.1 KiB — 81 ms — h3https://www.caixa.gov.br/Style%20Library/js/jquery.min.js/Style%20Library/js/jquery.min.js https://www.caixa.gov.br/Style%20Library/js/jquery.min.js — 200 — 38.8 KiB — 85 ms — h2https://www.caixa.gov.br/_layouts/15/1046/initstrings.js?rev=mwvYlbIyUbEbxtCpAg383w%3D%3DTAG0/_layouts/15/1046/initstrings.js?re... https://www.caixa.gov.br/_layouts/15/1046/initstrings.js?rev=mwvYlbIyUbEbxtCpAg383w%3D%3DTAG0 — 200 — 7.4 KiB — 91 ms — h2https://www.caixa.gov.br/_layouts/15/init.js?rev=RHfoRxFuwXZ%2BOo2JABCoHA%3D%3DTAG0/_layouts/15/init.js?rev=RHfoRxFuwX... https://www.caixa.gov.br/_layouts/15/init.js?rev=RHfoRxFuwXZ%2BOo2JABCoHA%3D%3DTAG0 — 200 — 75.5 KiB — 130 ms — h2https://www.caixa.gov.br/ScriptResource.axd?d=GyqjUVUxZqFOuMWNVRhLLmM_4FdcQX1Cr_WfBgP_HerVhzHOBWoR4KdcaVq_6YESEUmhg6W2JQrFwjUIK1YAyW_g1J4rx1vZvTAr-_oi5JUPf5LZaKKaqmXXOssazO5b1g1MXvQTSWQ27U-Oh8obNN0dWFnBZELLam7hzY7MymKUwM4Y9E0nqZbMVNSNaWRz0&t=ffffffffb1d0f179/ScriptResource.axd?d=GyqjUVUxZqFOu... 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https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/2026-seguranca/desktop.jpg — 200 — 1.1 MiB — 160 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/2026-seguranca/selo.png/PublishingImages/nova-home/carross... https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/2026-seguranca/selo.png — 200 — 44.5 KiB — 61 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/novo-desenrola/DESTAQUE_HOME_VERSAO_MOBILE3.jpg/PublishingImages/nova-home/carross... https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/novo-desenrola/DESTAQUE_HOME_VERSAO_MOBILE3.jpg — 200 — 626.5 KiB — 203 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/copa-visa-2026/V9-MOBILE-CopaDoMundo-052026.jpg/PublishingImages/nova-home/carross... https://www.caixa.gov.br/PublishingImages/nova-home/carrossel/copa-visa-2026/V9-MOBILE-CopaDoMundo-052026.jpg — 200 — 100.8 KiB — 203 ms — 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https://www.caixa.gov.br/Style%20Library/images/ic-libras-azul-v1.png — 200 — 8.4 KiB — 155 ms — h2https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Book.woff/Style%20Library/fonts/CAIXAStd-Boo... https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Book.woff — 200 — 39.2 KiB — 105 ms — h2https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-SemiBold.woff/Style%20Library/fonts/CAIXAStd-Sem... https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-SemiBold.woff — 200 — 40.3 KiB — 107 ms — h2https://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-solid-900.woff2/Style%20Library/fontawesome6/webfo... https://www.caixa.gov.br/Style%20Library/fontawesome6/webfonts/fa-solid-900.woff2 — 200 — 154.7 KiB — 65 ms — h2https://scripts.clarity.ms/0.8.64/clarity.jsscripts.clarity.ms/0.8.64/clarity.j... https://scripts.clarity.ms/0.8.64/clarity.js — 200 — 25.1 KiB — 48 ms — h2https://analytics.google.com/g/collect?v=2&tid=G-PD5EBJFQ7X&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&_p=1779671555065&_gaz=1&gcd=13l3l3l3l1l1&npa=0&dma=0&_eu=AAAAAGAC&are=1&cid=1693280256.1779671556&frm=0&pscdl=noapi&rcb=3&sr=800x600&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&gaf=2&_s=1&tag_exp=0~115616985~115938466~115938469&sid=1779671556&sct=1&seg=0&dl=https%3A%2F%2Fwww.caixa.gov.br%2FPaginas%2Fhome-caixa.aspx&dt=CAIXA&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=4858analytics.google.com/g/collect?v=2&... https://analytics.google.com/g/collect?v=2&tid=G-PD5EBJFQ7X&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&_p=1779671555065&_gaz=1&gcd=13l3l3l3l1l1&npa=0&dma=0&_eu=AAAAAGAC&are=1&cid=1693280256.1779671556&frm=0&pscdl=noapi&rcb=3&sr=800x600&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&gaf=2&_s=1&tag_exp=0~115616985~115938466~115938469&sid=1779671556&sct=1&seg=0&dl=https%3A%2F%2Fwww.caixa.gov.br%2FPaginas%2Fhome-caixa.aspx&dt=CAIXA&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=4858 — 204 — 550 B — 41 ms — h2https://stats.g.doubleclick.net/g/collect?v=2&tid=G-PD5EBJFQ7X&cid=1693280256.1779671556&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115616985~115938466~115938469stats.g.doubleclick.net/g/collect?v... https://stats.g.doubleclick.net/g/collect?v=2&tid=G-PD5EBJFQ7X&cid=1693280256.1779671556&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115616985~115938466~115938469 — 204 — 559 B — 21 ms — h2https://www.google.com.sg/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-PD5EBJFQ7X&cid=1693280256.1779671556&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115616985~115938466~115938469&z=1799366710www.google.com.sg/ads/ga-audiences?... https://www.google.com.sg/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-PD5EBJFQ7X&cid=1693280256.1779671556&gtm=45je65k1h1v9105020563z871748258za20gzb71748258zd71748258&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115616985~115938466~115938469&z=1799366710 — 200 — 408 B — 28 ms — h2https://www.caixa.gov.br/_layouts/15/1046/strings.js?rev=Z%2B40y2YoLenFccxjN0twUQ%3D%3DTAG0/_layouts/15/1046/strings.js?rev=Z%... https://www.caixa.gov.br/_layouts/15/1046/strings.js?rev=Z%2B40y2YoLenFccxjN0twUQ%3D%3DTAG0 — 200 — 52.6 KiB — 40 ms — h2https://www.caixa.gov.br/_layouts/15/core.js?rev=9kCBQNkpbQYAoiVcZpdkJA%3D%3DTAG0/_layouts/15/core.js?rev=9kCBQNkpbQ... https://www.caixa.gov.br/_layouts/15/core.js?rev=9kCBQNkpbQYAoiVcZpdkJA%3D%3DTAG0 — 200 — 119.3 KiB — 44 ms — h2https://servicebus4.caixa.gov.br/loterias/api/loterias/QUINAservicebus4.caixa.gov.br/loterias/a... https://servicebus4.caixa.gov.br/loterias/api/loterias/QUINA — 200 — 855 B — 1.4 s — http/1.1https://www.caixa.gov.br/_layouts/15/mquery.js?rev=G0XIYJI9ofOrcdJaLkhB7Q%3D%3DTAG0/_layouts/15/mquery.js?rev=G0XIYJI9... https://www.caixa.gov.br/_layouts/15/mquery.js?rev=G0XIYJI9ofOrcdJaLkhB7Q%3D%3DTAG0 — 200 — 6.3 KiB — 37 ms — h2https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Bold.woff/Style%20Library/fonts/CAIXAStd-Bol... https://www.caixa.gov.br/Style%20Library/fonts/CAIXAStd-Bold.woff — 200 — 40.1 KiB — 54 ms — 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https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-cartoes-v2.png — 200 — 234.4 KiB — 81 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-emprestimo-v2.png/PublishingImages/nova-home/destaqu... https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-emprestimo-v2.png — 200 — 272.2 KiB — 103 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-investimento-v2.png/PublishingImages/nova-home/destaqu... https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-investimento-v2.png — 200 — 235.2 KiB — 118 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-openfinance-v2.png/PublishingImages/nova-home/destaqu... https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-openfinance-v2.png — 200 — 210.2 KiB — 136 ms — h2https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-sustentabilidade-v3.png/PublishingImages/nova-home/destaqu... https://www.caixa.gov.br/PublishingImages/nova-home/destaque-produtos/806x516/2024/destaque-home-site-caixa-2024-sustentabilidade-v3.png — 200 — 201.7 KiB — 152 ms — h2https://q.clarity.ms/collectq.clarity.ms/collect https://q.clarity.ms/collect — 204 — 280 B — 729 ms — http/1.1https://www.caixa.gov.br/_layouts/15/sp.init.js?rev=v7C9ZcXmEYuhjJNLnCo66A%3D%3DTAG0/_layouts/15/sp.init.js?rev=v7C9ZcX... https://www.caixa.gov.br/_layouts/15/sp.init.js?rev=v7C9ZcXmEYuhjJNLnCo66A%3D%3DTAG0 — 200 — 8.8 KiB — 115 ms — h2https://www.caixa.gov.br/_layouts/15/sp.core.js?rev=bOK%2Bug%2FpfAotn0K8lTrAmw%3D%3DTAG0/_layouts/15/sp.core.js?rev=bOK%2Bu... 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h2https://axeptio-api.goadopt.io/flowaxeptio-api.goadopt.io/flow https://axeptio-api.goadopt.io/flow — 204 — 300 B — 210 ms — h2https://q.clarity.ms/collectq.clarity.ms/collect https://q.clarity.ms/collect — 204 — 280 B — 237 ms — http/1.1
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
53% of JavaScript execution is third-party
First-party Third-party 945ms · 350KB · R$3/mo
tag.goadopt.io
Other
Costly
Execution 490ms
Transfer 1 KB
Monthly Cost R$1/mo
Google Tag Manager
Tag Manager
Costly
Execution 247ms
Transfer 156 KB
Unused 38%
Monthly Cost R$1/mo
Google Tag Manager
Tag Manager
Optional
Execution 127ms
Transfer 169 KB
Unused 40%
Monthly Cost R$0/mo
Microsoft Clarity
Session Replay
Optional
Execution 82ms
Transfer 25 KB
Monthly Cost R$0/mo

These scripts may cost more than they're worth

  • tag.goadopt.io adds 490ms and costs ~R$1/month
  • Google Tag Manager adds 247ms and costs ~R$1/month

53% 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

tag.goadopt.io takes 490ms 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 247ms 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
62 images, 4805 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

62

Total Size

4805 KB

10 missing alt text 62 missing dimensions 16 missing lazy loading
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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