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https://merkle.io

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
2
PASS
7
INFO
2

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

Mobile Desktop
75
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.
100
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.

1.04 s

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

5.39 s

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

0 ms

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

0.005

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

1.04 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.

5.52 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
15
7 PASS 2 REVIEW 4 FIX
F
Page Weight Budget
Action
15.1 MB transferred, 50 requests
FIX
15.1 MB transferred, 50 requests
Critical::
Page weighs 16.7 MB (15.1 MB transferred)
Warning::
Images are 6.7 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 6.7 MB
Info::
50 HTTP requests
Info::
Estimated 3.2 g CO2 per page load
15.1 MB / 2.4 MB budget
15.1 MB transferred
50 requests
3.2 g CO2 per page load
Other 8.0 MiB 53%
Images 6.7 MiB 45%
JavaScript 192.9 KiB 1%
Fonts 139.4 KiB 1%
HTML 14.6 KiB 0%
Other 12.1 KiB 0%
CSS 10.6 KiB 0%
Other 1.9 KiB 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

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 (15.1 MiB of 15.1 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
50 resources · 15.1 MB · 51 KB savings available
FIX
50 resources · 15.1 MB · 51 KB savings available
Warning::
Page weight 14.1 MB over 1MB target
Got: 15.1 MB Expected: ≤ 1 MB
Info::
~51 KB of savings available
Warning::
49 third-party resources (100% of weight)
Info::
10 resources over 200KB
50 resources · 15.1 MiB · 49 third-party 14.1 MiB over 1MB target
Media 53% · 8.0 MiB
Image 45% · 6.7 MiB
JavaScript 1% · 192.9 KiB
Font 1% · 139.4 KiB
Document 0% · 14.6 KiB
Other 0% · 12.6 KiB
CSS 0% · 10.6 KiB

~50.6 KiB of savings available

Remove unused JavaScript: 50.6 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.

B
Image Optimization
15 images, 0 KB saveable
REVIEW
15 images, 0 KB saveable
Info::
All images are well-optimized
15 images 6.7 MB
0 oversized -0 KB
15 legacy format
0 missing dimensions CLS risk
B
JS Bundles
17 scripts, 51 KB unused
REVIEW
17 scripts, 51 KB unused
Warning::
https://blinklabs.xyz/_next/static/chunks/2022-467...: 27 KB unused (73%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://blinklabs.xyz/_next/static/chunks/1517-9a7...: 24 KB unused (47%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 51 KB
51 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://blinklabs.xyz/_next/static/chunks/2022-467803350af81186.js38 KB27 KB (73%)✓3rd
https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.js51 KB24 KB (47%)✓3rd
https://blinklabs.xyz/_next/static/chunks/3232-c4f926ed9a8e2fa6.js11 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/app/layout-8ece069f57cf698f.js7 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/main-app-99e3f7a94b31be24.js1 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/8173-0aecdb312eb56a26.js4 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/7970-98b4af5fe994f2c1.js6 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/6785-39a889fe641e0db9.js8 KB—✓3rd
https://plausible.io/js/script.js2 KB—✓3rd
https://blinklabs.xyz/_next/static/chunks/4bd1b696-b537b0489da1603b.js52 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

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+
JS Execution Cost
477ms total JS execution
PASS
477ms total JS execution
Info::
Unattributable: 236ms CPU time
Info::
https://blinklabs.xyz/: 130ms CPU time
Info::
https://blinklabs.xyz/_next/static/chunks/1517-9a7...: 111ms CPU time
Warning::
Third-party scripts: 477ms (100% of total)

Main Thread Breakdown

Other 47% Script Evaluation 29% Style & Layout 15% Rendering 4% Script Parsing & Compilation 3%
ScriptTotalScriptingParse/CompileParty
Unattributable236ms10ms0ms3rd
https://blinklabs.xyz/130ms4ms2ms3rd
https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.js111ms105ms4ms3rd
A+
Font Loading
2 fonts (139 KB)
PASS
2 fonts (139 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

139 KB total

Render-blocking

0

of 2

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 1.0 s LCP 5.4 shttps://blinklabs.xyz/fonts/Fakt-Blond.otfFakt-Blond.otf https://blinklabs.xyz/fonts/Fakt-Blond.otf — 69.8 KiB — 252 ms — font-display: swaphttps://blinklabs.xyz/fonts/Fakt-Medium.otfFakt-Medium.otf https://blinklabs.xyz/fonts/Fakt-Medium.otf — 69.6 KiB — 235 ms — font-display: swap
Fakt-Blond.otf otf swap
Size 70 KB
Load time 252 ms
Start 336 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Fakt-Medium.otf otf swap
Size 70 KB
Load time 235 ms
Start 336 ms
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 ~42 KB and ~84 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+
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
50 requests over 1241ms
INFO
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h2https://blinklabs.xyz/_next/static/chunks/4bd1b696-b537b0489da1603b.jsblinklabs.xyz/_next/static/chunks/4... https://blinklabs.xyz/_next/static/chunks/4bd1b696-b537b0489da1603b.js — 200 — 52.5 KiB — 39 ms — h2https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.jsblinklabs.xyz/_next/static/chunks/1... https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.js — 200 — 50.7 KiB — 47 ms — h2https://blinklabs.xyz/_next/static/chunks/main-app-99e3f7a94b31be24.jsblinklabs.xyz/_next/static/chunks/m... https://blinklabs.xyz/_next/static/chunks/main-app-99e3f7a94b31be24.js — 200 — 946 B — 48 ms — h2https://blinklabs.xyz/_next/static/chunks/8173-0aecdb312eb56a26.jsblinklabs.xyz/_next/static/chunks/8... https://blinklabs.xyz/_next/static/chunks/8173-0aecdb312eb56a26.js — 200 — 4.1 KiB — 49 ms — h2https://blinklabs.xyz/_next/static/chunks/7970-98b4af5fe994f2c1.jsblinklabs.xyz/_next/static/chunks/7... https://blinklabs.xyz/_next/static/chunks/7970-98b4af5fe994f2c1.js — 200 — 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https://blinklabs.xyz/_next/static/chunks/4473-0afa939c3569c948.js — 200 — 3.6 KiB — 57 ms — h2https://blinklabs.xyz/_next/static/chunks/app/page-8ff8488e246060f3.jsblinklabs.xyz/_next/static/chunks/a... https://blinklabs.xyz/_next/static/chunks/app/page-8ff8488e246060f3.js — 200 — 3.6 KiB — 59 ms — h2https://blinklabs.xyz/animations/protection-orb.webmblinklabs.xyz/animations/protection... https://blinklabs.xyz/animations/protection-orb.webm — 206 — 3.4 MiB — 335 ms — h2https://blinklabs.xyz/animations/monetization.webmblinklabs.xyz/animations/monetizati... https://blinklabs.xyz/animations/monetization.webm — 206 — 1.3 MiB — 232 ms — h2https://blinklabs.xyz/animations/shield.webmblinklabs.xyz/animations/shield.web... https://blinklabs.xyz/animations/shield.webm — 206 — 453.4 KiB — 86 ms — h2https://blinklabs.xyz/animations/coins.webmblinklabs.xyz/animations/coins.webm https://blinklabs.xyz/animations/coins.webm — 206 — 1.9 MiB — 473 ms — h2https://blinklabs.xyz/animations/monetization.webmblinklabs.xyz/animations/monetizati... https://blinklabs.xyz/animations/monetization.webm — 206 — 96.4 KiB — 420 ms — h2https://blinklabs.xyz/animations/shield.webmblinklabs.xyz/animations/shield.web... https://blinklabs.xyz/animations/shield.webm — 206 — 438 B — 179 ms — h2https://blinklabs.xyz/animations/coins.webmblinklabs.xyz/animations/coins.webm https://blinklabs.xyz/animations/coins.webm — 206 — 929.4 KiB — 485 ms — h2https://s3-us-west-2.amazonaws.com/b2bjsstore/b/1N5W0HMW97O5/1N5W0HMW97O5.js.gzs3-us-west-2.amazonaws.com/b2bjssto... https://s3-us-west-2.amazonaws.com/b2bjsstore/b/1N5W0HMW97O5/1N5W0HMW97O5.js.gz — -1 — 0 B — 569 ms — https://blinklabs.xyz/images/lake-gradient.pngblinklabs.xyz/images/lake-gradient.... https://blinklabs.xyz/images/lake-gradient.png — 200 — 1.7 MiB — 256 ms — h2https://blinklabs.xyz/images/peach-gradient.pngblinklabs.xyz/images/peach-gradient... https://blinklabs.xyz/images/peach-gradient.png — 200 — 2.0 MiB — 331 ms — h2https://blinklabs.xyz/images/card.svgblinklabs.xyz/images/card.svg https://blinklabs.xyz/images/card.svg — 200 — 1.4 MiB — 914 ms — h2https://blinklabs.xyz/images/customers/rabby_wallet.svgblinklabs.xyz/images/customers/rabb... https://blinklabs.xyz/images/customers/rabby_wallet.svg — 200 — 4.6 KiB — 232 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.0 s LCP 5.4 shttps://merkle.io// https://merkle.io/ — 301 — 252 B — 73 ms — h3https://www.merkle.io/www.merkle.io/ https://www.merkle.io/ — 301 — 229 B — 65 ms — h3https://blinklabs.xyz/blinklabs.xyz/ https://blinklabs.xyz/ — 200 — 14.6 KiB — 89 ms — h2https://blinklabs.xyz/blink-labs-logo.svgblinklabs.xyz/blink-labs-logo.svg https://blinklabs.xyz/blink-labs-logo.svg — 200 — 29.4 KiB — 71 ms — h2https://blinklabs.xyz/_next/static/css/f1478ddd84018836.cssblinklabs.xyz/_next/static/css/f147... https://blinklabs.xyz/_next/static/css/f1478ddd84018836.css — 200 — 10.6 KiB — 21 ms — h2https://plausible.io/js/script.jsplausible.io/js/script.js https://plausible.io/js/script.js — 200 — 1.9 KiB — 105 ms — h2https://blinklabs.xyz/_next/static/chunks/webpack-291f70ff2f9f6579.jsblinklabs.xyz/_next/static/chunks/w... https://blinklabs.xyz/_next/static/chunks/webpack-291f70ff2f9f6579.js — 200 — 2.5 KiB — 24 ms — h2https://blinklabs.xyz/_next/static/chunks/4bd1b696-b537b0489da1603b.jsblinklabs.xyz/_next/static/chunks/4... https://blinklabs.xyz/_next/static/chunks/4bd1b696-b537b0489da1603b.js — 200 — 52.5 KiB — 39 ms — h2https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.jsblinklabs.xyz/_next/static/chunks/1... https://blinklabs.xyz/_next/static/chunks/1517-9a766a5f1e232c4e.js — 200 — 50.7 KiB — 47 ms — h2https://blinklabs.xyz/_next/static/chunks/main-app-99e3f7a94b31be24.jsblinklabs.xyz/_next/static/chunks/m... https://blinklabs.xyz/_next/static/chunks/main-app-99e3f7a94b31be24.js — 200 — 946 B — 48 ms — h2https://blinklabs.xyz/_next/static/chunks/8173-0aecdb312eb56a26.jsblinklabs.xyz/_next/static/chunks/8... https://blinklabs.xyz/_next/static/chunks/8173-0aecdb312eb56a26.js — 200 — 4.1 KiB — 49 ms — h2https://blinklabs.xyz/_next/static/chunks/7970-98b4af5fe994f2c1.jsblinklabs.xyz/_next/static/chunks/7... https://blinklabs.xyz/_next/static/chunks/7970-98b4af5fe994f2c1.js — 200 — 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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
100% of JavaScript execution is third-party
First-party Third-party 477ms · 65KB · €5/mo
Unattributable
Other
Costly
Execution 236ms
Transfer 0 KB
Monthly Cost €3/mo
blinklabs.xyz
Other
Optional
Execution 130ms
Transfer 15 KB
Monthly Cost €1/mo
blinklabs.xyz
Other
Optional
Execution 111ms
Transfer 51 KB
Unused 47%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • Unattributable adds 236ms and costs ~€3/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

Unattributable takes 236ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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