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https://sxsw.com

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
73
GRADE
C
FIX
3
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
46
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
91
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
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.

1.31 s

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

5.61 s

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

175 ms

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

0.459

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

1.77 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.

5.79 s

Page Load Progression

538 ms
1.1 s
1.6 s
2.2 s
2.7 s
3.2 s
3.8 s
4.3 s
Checks
15
7 PASS 3 REVIEW 3 FIX
F
Page Weight Budget
Action
14.7 MB transferred, 95 requests
FIX
14.7 MB transferred, 95 requests
Critical::
Page weighs 18.1 MB (14.7 MB transferred)
Warning::
Images are 6.4 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 6.4 MB
Warning::
JavaScript is 1.3 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.3 MB
Info::
Fonts are 554 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 554 KB
Info::
95 HTTP requests
Info::
Estimated 3.1 g CO2 per page load
14.7 MB / 2.4 MB budget
14.7 MB transferred
95 requests
3.1 g CO2 per page load
Images 6.4 MiB 44%
Other 6.2 MiB 42%
JavaScript 1.3 MiB 9%
Fonts 553.6 KiB 4%
CSS 131.0 KiB 1%
HTML 21.4 KiB 0%
Other 1.9 KiB 0%
Other 1.9 KiB 0%
Other 359 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

F
JS Bundles
Action
42 scripts, 563 KB unused
FIX
42 scripts, 563 KB unused
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 242 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=AW-946...: 114 KB unused (63%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://js.hsforms.net/forms/v2.js: 73 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-RLXX...: 58 KB unused (32%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-WB7...: 55 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 563 KB
563 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB242 KB (67%)✓3rd
https://www.googletagmanager.com/gtag/js?id=AW-946715973&cx=c&gtm=4e64h1180 KB114 KB (63%)✓3rd
https://js.hsforms.net/forms/v2.js194 KB73 KB (39%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-RLXXHDCCN4&cx=c&gtm=4e64h1180 KB58 KB (32%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-WB7Z9Q5154 KB55 KB (42%)✓3rd
https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/site.js?ver=177671139428 KB21 KB (75%)✓1st
https://sxsw.com/wp-content/mu-plugins/wp-parsely-3.23/build/loader.js?ver=ecf94842061bea03d54b2 KB—✓1st
https://sxsw.com/wp-content/themes/wp-theme-sxsw/src/scripts/home-video-autoplay.js?ver=17706644361 KB—✓1st
https://sxsw.com/wp-includes/js/dist/i18n.min.js?ver=c26c3dc7bed3667933752 KB—✓1st
https://sxsw.com/wp-includes/js/dist/url.min.js?ver=9e178c9516d1222dc8344 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
95 resources · 14.7 MB · 563 KB savings available
FIX
95 resources · 14.7 MB · 563 KB savings available
Warning::
Page weight 13.7 MB over 1MB target
Got: 14.7 MB Expected: ≤ 1 MB
Info::
~563 KB of savings available
Info::
29 third-party resources (8% of weight)
Info::
9 resources over 200KB
95 resources · 14.7 MiB · 29 third-party 13.7 MiB over 1MB target
Image 44% · 6.4 MiB
Media 42% · 6.2 MiB
JavaScript 9% · 1.3 MiB
Font 4% · 553.6 KiB
CSS 1% · 131.0 KiB
Document 0% · 21.4 KiB
Other 0% · 3.0 KiB

~562.7 KiB of savings available

Remove unused JavaScript: 562.7 KiB
C
Image Optimization
Action
26 images, 0 KB saveable
REVIEW
26 images, 0 KB saveable
Warning::
https://sxsw.com/wp-content/uploads/2025/06/Image.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://sxsw.com/wp-content/uploads/2025/06/Image-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://sxsw.com/wp-content/uploads/2025/06/Image-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://sxsw.com/wp-content/uploads/2026/03/Hand-p... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://sxsw.com/wp-content/themes/wp-theme-sxsw/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://sxsw.com/wp-content/uploads/2025/10/SXSW-2... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
26 images 6.4 MB
0 oversized -0 KB
14 legacy format
6 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

C
JS Execution Cost
Action
1602ms total JS execution
REVIEW
1602ms total JS execution
Warning::
Unattributable: 333ms CPU time
Warning::
https://cmp.osano.com/AzywLlTgj0ZEN5Fnv/1d881dc8-9...: 306ms CPU time
Info::
https://sxsw.com/: 248ms CPU time
Info::
https://sxsw.com/wp-content/themes/wp-theme-sxsw/d...: 227ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-RLXX...: 178ms CPU time
Warning::
Third-party scripts: 1128ms (70% of total)

Main Thread Breakdown

Script Evaluation 43% Other 28% Style & Layout 13% Script Parsing & Compilation 9%
ScriptTotalScriptingParse/CompileParty
Unattributable333ms12ms0ms3rd
https://cmp.osano.com/AzywLlTgj0ZEN5Fnv/1d881dc8-9a4f-47fd-9444-b5308e76584d/osano.js306ms217ms12ms3rd
https://sxsw.com/248ms21ms4ms1st
https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/site.js?ver=1776711394227ms32ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-RLXXHDCCN4&cx=c&gtm=4e64h1178ms154ms23ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-WB7Z9Q5130ms112ms17ms3rd
https://js.hsforms.net/forms/v2.js105ms79ms20ms3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js75ms40ms36ms3rd
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Third-Party Impact
8% third-party, 0 ms blocking
PASS
8% third-party, 0 ms blocking
Info::
Third-party code accounts for 8% of page weight (1.2 MiB of 14.7 MiB)
Info::
Third-party blocking time is low (0 ms)
92%
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
11 fonts (554 KB)
PASS
11 fonts (554 KB)
Info::
11 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

11

554 KB total

Render-blocking

0

of 11

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 1.3 s LCP 5.6 shttps://sxsw.com/wp-content/plugins/wp-testimonial-with-widget/assets/fonts/fontawesome-webfont.woff2?v=4.7.0fontawesome-webfont.woff2 https://sxsw.com/wp-content/plugins/wp-testimonial-with-widget/assets/fonts/fontawesome-webfont.woff2?v=4.7.0 — 75.7 KiB — 89 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-600.wofffoundersgrotesk-600.woff https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-600.woff — 34.7 KiB — 43 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/fa-solid-900.woff2fa-solid-900.woff2 https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/fa-solid-900.woff2 — 153.2 KiB — 67 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgroteskmono-400.wofffoundersgroteskmono-400... https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgroteskmono-400.woff — 32.0 KiB — 47 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgroteskcondensed-600.wofffoundersgroteskcondense... https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgroteskcondensed-600.woff — 31.2 KiB — 58 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-500.wofffoundersgrotesk-500.woff https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-500.woff — 34.5 KiB — 58 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-300.wofffoundersgrotesk-300.woff https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-300.woff — 31.4 KiB — 58 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-400.wofffoundersgrotesk-400.woff https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesk-400.woff — 33.6 KiB — 58 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-400.wofffoundersgrotesktext-400... https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-400.woff — 43.1 KiB — 24 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-700.wofffoundersgrotesktext-700... https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-700.woff — 40.9 KiB — 29 ms — font-display: swaphttps://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-500.wofffoundersgrotesktext-500... https://sxsw.com/wp-content/themes/wp-theme-sxsw/dist/assets/foundersgrotesktext-500.woff — 43.4 KiB — 29 ms — font-display: swap
fontawesome-webfont.woff2 woff2 swap
Size 76 KB
Load time 89 ms
Start 437 ms
Risk FOUT — text flashes from fallback to web font
foundersgrotesk-600.woff woff swap
Size 35 KB
Load time 43 ms
Start 936 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-solid-900.woff2 woff2 swap
Size 153 KB
Load time 67 ms
Start 939 ms
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
foundersgroteskmono-400... woff swap
Size 32 KB
Load time 47 ms
Start 939 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgroteskcondense... woff swap
Size 31 KB
Load time 58 ms
Start 940 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesk-500.woff woff swap
Size 35 KB
Load time 58 ms
Start 940 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesk-300.woff woff swap
Size 31 KB
Load time 58 ms
Start 940 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesk-400.woff woff swap
Size 34 KB
Load time 58 ms
Start 940 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesktext-400... woff swap
Size 43 KB
Load time 24 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesktext-700... woff swap
Size 41 KB
Load time 29 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
foundersgrotesktext-500... woff swap
Size 43 KB
Load time 29 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
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 ~174 KB and ~348 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
HTTP Caching
max-age=300 (5 minutes)
PASS
max-age=300 (5 minutes)
Info::
Cache-Control header is set
Got: max-age=300, must-revalidate
Info::
Effective TTL: 5 minutes (max-age=300)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

max-age=300, must-revalidate

DirectiveValueMeaning
max-age300Cache for 5 minutes
must-revalidate—Must recheck with server after expiry
Effective TTL: 300 seconds
Network Waterfall
95 requests over 1989ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.3 s LCP 5.6 shttps://sxsw.com// https://sxsw.com/ — 200 — 20.2 KiB — 127 ms — h2https://cmp.osano.com/AzywLlTgj0ZEN5Fnv/1d881dc8-9a4f-47fd-9444-b5308e76584d/osano.jscmp.osano.com/AzywLlTgj0ZEN5Fnv/1d8... https://cmp.osano.com/AzywLlTgj0ZEN5Fnv/1d881dc8-9a4f-47fd-9444-b5308e76584d/osano.js — 200 — 71.1 KiB — 73 ms — h3https://www.google.com/recaptcha/api.jswww.google.com/recaptcha/api.js https://www.google.com/recaptcha/api.js — 200 — 1012 B — 64 ms — h3https://sxsw.com/wp-includes/css/dist/block-library/style.min.css?m=1774626885g/wp-includes/css/dist/block-library... https://sxsw.com/wp-includes/css/dist/block-library/style.min.css?m=1774626885g — 200 — 16.0 KiB — 17 ms — h2https://sxsw.com/_static/??-eJylkdFOhTAMhl/InYVoJF4YL3wBE07ipRmjcKbbOtcS5O0tIIlGUdSbpf3b/9u66iEpi5Ehsk6+71wkPWBsIC+ZYlOTbqVDmQEIA2hLH4VDcPEg4pnexYIoIXwuqKWwSTpW6g6917dVpY/IxqsKW541de+aDniXlScriXOz+/G5hzyK7L1JBApVMOzsPLfFDA/Eo99+53d277oT/+AXiYHYBYxOhhwcn+SY5tOGCJh+uYBdOPLOPv2TMbD0pb4W1CbpLVcpI4NlzCtg8ekkKTHklfPVZHyCAMujpkjRCw3a9sQY9vV6V+t5B/KNYKSQ573sv+wdIEFu+9jgn8zt9OuOx9V8E66Lsrwsi+L86uIV49ddUA==/_static/??-eJylkdFOhTAMhl/InYVoJF4... https://sxsw.com/_static/??-eJylkdFOhTAMhl/InYVoJF4YL3wBE07ipRmjcKbbOtcS5O0tIIlGUdSbpf3b/9u66iEpi5Ehsk6+71wkPWBsIC+ZYlOTbqVDmQEIA2hLH4VDcPEg4pnexYIoIXwuqKWwSTpW6g6917dVpY/IxqsKW541de+aDniXlScriXOz+/G5hzyK7L1JBApVMOzsPLfFDA/Eo99+53d277oT/+AXiYHYBYxOhhwcn+SY5tOGCJh+uYBdOPLOPv2TMbD0pb4W1CbpLVcpI4NlzCtg8ekkKTHklfPVZHyCAMujpkjRCw3a9sQY9vV6V+t5B/KNYKSQ573sv+wdIEFu+9jgn8zt9OuOx9V8E66Lsrwsi+L86uIV49ddUA== — 200 — 16.1 KiB — 28 ms — h2https://sxsw.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1/wp-includes/js/jquery/jquery.min.j... 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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
70% of JavaScript execution is third-party
First-party Third-party 1128ms · 961KB · $6/mo
Unattributable
Other
Costly
Execution 333ms
Transfer 0 KB
Monthly Cost $2/mo
cmp.osano.com
Other
Costly
Execution 306ms
Transfer 71 KB
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Optional
Execution 178ms
Transfer 180 KB
Unused 32%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 130ms
Transfer 154 KB
Unused 42%
Monthly Cost $1/mo
js.hsforms.net
Other
Optional
Execution 105ms
Transfer 194 KB
Unused 39%
Monthly Cost $1/mo
www.gstatic.com
Other
Optional
Execution 75ms
Transfer 362 KB
Unused 67%
Monthly Cost $0/mo

These scripts may cost more than they're worth

  • Unattributable adds 333ms and costs ~$2/month
  • cmp.osano.com adds 306ms and costs ~$2/month

70% 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.

Learn more ▾

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 333ms 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

cmp.osano.com takes 306ms 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

67% of www.gstatic.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

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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