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Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
65
GRADE
D
FIX
4
REVIEW
3
PASS
5
INFO
2

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

Mobile Desktop
52
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
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.

554 ms

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

2.90 s

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

523 ms

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

0.077

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

3.78 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.

8.66 s

Page Load Progression

1.0 s
2.0 s
3.0 s
4.0 s
5.1 s
6.1 s
7.1 s
8.1 s
Checks
14
5 PASS 3 REVIEW 4 FIX
F
Page Weight Budget
Action
8.4 MB transferred, 384 requests
FIX
8.4 MB transferred, 384 requests
Critical::
Page weighs 18.2 MB (8.4 MB transferred)
Warning::
JavaScript is 3.9 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 3.9 MB
Warning::
Images are 3.8 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 3.8 MB
Info::
Fonts are 236 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 236 KB
Warning::
384 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 1.8 g CO2 per page load
8.4 MB / 2.4 MB budget
8.4 MB transferred
384 requests
1.8 g CO2 per page load
JavaScript 3.9 MiB 47%
Images 3.8 MiB 45%
Other 311.5 KiB 4%
Fonts 235.7 KiB 3%
CSS 67.8 KiB 1%
HTML 49.7 KiB 1%
Other 35.9 KiB 0%
Other 12.9 KiB 0%
Other 1.3 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over 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

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

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

Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

Source: web.dev

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (8.4 MiB of 8.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
4281ms total JS execution
FIX
4281ms total JS execution
Warning::
https://ruggable.com/_next/static/chunks/50dd28c72...: 1287ms CPU time
Warning::
Unattributable: 442ms CPU time
Warning::
https://sdk-metrics.postscript.io/web/v4/geUt08pDD...: 329ms CPU time
Warning::
https://ruggable.com/_next/static/chunks/6ee32a3b3...: 283ms CPU time
Warning::
https://ruggable.com/: 278ms CPU time
Warning::
Third-party scripts: 4281ms (100% of total)

Main Thread Breakdown

Script Evaluation 59% Other 15% Style & Layout 14% Script Parsing & Compilation 8%
ScriptTotalScriptingParse/CompileParty
https://ruggable.com/_next/static/chunks/50dd28c7201c0f2d.js1287ms878ms8ms3rd
Unattributable442ms68ms0ms3rd
https://sdk-metrics.postscript.io/web/v4/geUt08pDDbh7Dxyt3Pub?ci=jsl/4.0.1329ms261ms0ms3rd
https://ruggable.com/_next/static/chunks/6ee32a3b33ddd1de.js283ms53ms12ms3rd
https://ruggable.com/278ms22ms0ms3rd
https://ruggable.com/_next/static/chunks/turbopack-1b2014506346b4cc.js261ms256ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PQL52XW213ms155ms18ms3rd
https://www.redditstatic.com/ads/pixel.js174ms61ms2ms3rd
https://ruggable.com/_next/static/chunks/18d55330a9804a43.js114ms3ms14ms3rd
https://www.googletagmanager.com/gtag/js?id=G-04B81SYDDX&cx=c&gtm=4e6411114ms96ms16ms3rd

Showing top 10 of 21 scripts

F
JS Bundles
Action
156 scripts, 1.4 MB unused
FIX
156 scripts, 1.4 MB unused
Warning::
https://sdk.postscript.io/sdk.bundle.js?shopId=238...: 141 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://ruggable.com/_next/static/chunks/f5f778a99...: 106 KB unused (100%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://ruggable.com/_next/static/chunks/5b1775499...: 104 KB unused (100%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://ruggable.com/_next/static/chunks/0231af760...: 84 KB unused (100%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://production.cdp.ingest.chord.co/p.js: 84 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://production.cdp.ingest.chord.co/p.js: unminified — 46 KB could be saved
Info::
Total unused JavaScript: 1.4 MB
1442 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://sdk.postscript.io/sdk.bundle.js?shopId=238417202 KB141 KB (70%)✓3rd
https://ruggable.com/_next/static/chunks/f5f778a99bb466c1.js107 KB106 KB (100%)✓3rd
https://ruggable.com/_next/static/chunks/5b1775499279cd71.js104 KB104 KB (100%)✓3rd
https://ruggable.com/_next/static/chunks/0231af760b3b156e.js84 KB84 KB (100%)✓3rd
https://production.cdp.ingest.chord.co/p.js117 KB84 KB (72%)✗3rd
https://cnstrc.com/js/cust/ruggable_UoSO4S.js105 KB72 KB (69%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-04B81SYDDX&cx=c&gtm=4e6411173 KB68 KB (39%)✓3rd
https://analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMw.js110 KB65 KB (59%)✓3rd
https://ruggable.com/_next/static/chunks/6ee32a3b33ddd1de.js105 KB57 KB (55%)✓3rd
https://ruggable.com/_next/static/chunks/3d84978007244bba.js56 KB56 KB (100%)✓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
Image Optimization
73 images, 0 KB saveable
REVIEW
73 images, 0 KB saveable
Info::
All images are well-optimized
73 images 3.8 MB
0 oversized -0 KB
20 legacy format
0 missing dimensions CLS risk
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

B
HTTP Caching
public, max-age=0, must-revalidate
REVIEW
public, max-age=0, must-revalidate
Info::
Cache-Control header is set
Got: public, max-age=0, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=0, must-revalidate

DirectiveValueMeaning
public—Any cache may store this response
max-age0Cache for 0 seconds
must-revalidate—Must recheck with server after expiry
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 (236 KB)
PASS
11 fonts (236 KB)
Info::
11 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

11

236 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 FCP 554 ms LCP 2.9 shttps://ruggable.com/_next/static/media/a343f882a40d2cc9-s.p.71e1367e.woff2a343f882a40d2cc9-s.p.71... https://ruggable.com/_next/static/media/a343f882a40d2cc9-s.p.71e1367e.woff2 — 24.3 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/AprisRuggable_Regular-s.p.c7c4640b.woff2AprisRuggable_Regular-s... https://ruggable.com/_next/static/media/AprisRuggable_Regular-s.p.c7c4640b.woff2 — 34.1 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/AprisRuggable_Medium-s.p.5126391c.woff2AprisRuggable_Medium-s.... https://ruggable.com/_next/static/media/AprisRuggable_Medium-s.p.5126391c.woff2 — 38.9 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/AprisRuggable_RegularItalic-s.p.0223b096.woff2AprisRuggable_RegularIt... https://ruggable.com/_next/static/media/AprisRuggable_RegularItalic-s.p.0223b096.woff2 — 35.2 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/AprisRuggable_MediumItalic-s.p.078efde6.woff2AprisRuggable_MediumIta... https://ruggable.com/_next/static/media/AprisRuggable_MediumItalic-s.p.078efde6.woff2 — 40.2 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v19/xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk6jFN_N-bnTfc7AGraJwA.woff2xn7_YHE41ni1AdIRqAuZuw1... https://fonts.gstatic.com/s/manrope/v19/xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk6jFN_N-bnTfc7AGraJwA.woff2 — 4.4 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/AprisRuggable_Regular-s.p.c7c4640b.woff2AprisRuggable_Regular-s... https://ruggable.com/_next/static/media/AprisRuggable_Regular-s.p.c7c4640b.woff2 — 34.2 KiB — 0 ms — font-display: swaphttps://ruggable.com/_next/static/media/3534416bbfdcc9be-s.p.woff23534416bbfdcc9be-s.p.woff2 https://ruggable.com/_next/static/media/3534416bbfdcc9be-s.p.woff2 — 339 B — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2xn7gYHE41ni1AdIRggexSvf... https://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2 — 24.0 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2xn7gYHE41ni1AdIRggexSvf... https://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2 — 0 B — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2xn7gYHE41ni1AdIRggexSvf... https://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2 — 0 B — 0 ms — font-display: swap
a343f882a40d2cc9-s.p.71... woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
AprisRuggable_Regular-s... woff2 swap
Size 34 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
AprisRuggable_Medium-s.... woff2 swap
Size 39 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
AprisRuggable_RegularIt... woff2 swap
Size 35 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
AprisRuggable_MediumIta... woff2 swap
Size 40 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
xn7_YHE41ni1AdIRqAuZuw1... woff2 swap
Size 4 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
AprisRuggable_Regular-s... woff2 swap
Size 34 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
3534416bbfdcc9be-s.p.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
xn7gYHE41ni1AdIRggexSvf... woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
xn7gYHE41ni1AdIRggexSvf... woff2 swap
Size 0 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
xn7gYHE41ni1AdIRggexSvf... woff2 swap
Size 0 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
Network Waterfall
384 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 4281ms · 1744KB · $25/mo
ruggable.com
Other
Costly
Execution 1287ms
Transfer 65 KB
Unused 32%
Monthly Cost $7/mo
Unattributable
Other
Costly
Execution 442ms
Transfer 0 KB
Monthly Cost $3/mo
sdk-metrics.postscript.io
Other
Costly
Execution 329ms
Transfer 69 KB
Unused 30%
Monthly Cost $2/mo
ruggable.com
Other
Costly
Execution 283ms
Transfer 105 KB
Unused 55%
Monthly Cost $2/mo
ruggable.com
Other
Costly
Execution 278ms
Transfer 48 KB
Monthly Cost $2/mo
ruggable.com
Other
Costly
Execution 261ms
Transfer 5 KB
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Costly
Execution 213ms
Transfer 163 KB
Unused 33%
Monthly Cost $1/mo
www.redditstatic.com
Other
Optional
Execution 174ms
Transfer 19 KB
Monthly Cost $1/mo
ruggable.com
Other
Optional
Execution 114ms
Transfer 99 KB
Unused 47%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 114ms
Transfer 173 KB
Unused 39%
Monthly Cost $1/mo
sdk.postscript.io
Other
Optional
Execution 99ms
Transfer 202 KB
Unused 70%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 94ms
Transfer 143 KB
Unused 38%
Monthly Cost $1/mo
d38xvr37kwwhcm.cloudfront.net
Other
Optional
Execution 84ms
Transfer 16 KB
Monthly Cost $0/mo
static.klaviyo.com
Other
Optional
Execution 74ms
Transfer 23 KB
Monthly Cost $0/mo
analytics.tiktok.com
Other
Optional
Execution 74ms
Transfer 110 KB
Unused 59%
Monthly Cost $0/mo
Microsoft Clarity
Session Replay
Optional
Execution 67ms
Transfer 26 KB
Monthly Cost $0/mo
production.cdp.ingest.chord.co
Other
Optional
Execution 65ms
Transfer 117 KB
Unused 72%
Monthly Cost $0/mo
res4.applovin.com
Other
Optional
Execution 62ms
Transfer 31 KB
Monthly Cost $0/mo
cnstrc.com
Other
Optional
Execution 60ms
Transfer 105 KB
Unused 69%
Monthly Cost $0/mo
Heap Analytics
Analytics
Optional
Execution 54ms
Transfer 42 KB
Monthly Cost $0/mo
ads.nextdoor.com
Other
Optional
Execution 53ms
Transfer 183 KB
Unused 22%
Monthly Cost $0/mo

These scripts may cost more than they're worth

  • ruggable.com adds 1287ms and costs ~$7/month
  • Unattributable adds 442ms and costs ~$3/month
  • sdk-metrics.postscript.io adds 329ms and costs ~$2/month
  • ruggable.com adds 283ms and costs ~$2/month
  • ruggable.com adds 278ms and costs ~$2/month
  • ruggable.com adds 261ms and costs ~$2/month
  • Google Tag Manager adds 213ms and costs ~$1/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

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

ruggable.com takes 1287ms 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

Unattributable takes 442ms 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

sdk-metrics.postscript.io takes 329ms 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

ruggable.com takes 283ms 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

55% of ruggable.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

ruggable.com takes 278ms 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

ruggable.com takes 261ms 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 213ms 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

70% of sdk.postscript.io'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

59% of analytics.tiktok.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

72% of production.cdp.ingest.chord.co'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

69% of cnstrc.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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