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https://voidlogue.com

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
91
GRADE
A
FIX
0
REVIEW
5
PASS
7
INFO
2

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

Mobile Desktop
93
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
86
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.

1.20 s

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

1.32 s

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

2 ms

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

0.030

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

1.20 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.

1.44 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
14
7 PASS 5 REVIEW
B
Third-Party Impact
57% third-party, 0 ms blocking
REVIEW
57% third-party, 0 ms blocking
Warning::
Third-party code accounts for 57% of page weight (348.6 KiB of 611.0 KiB)
Info::
Third-party blocking time is low (0 ms)
43%
57%
First-party Third-party
B
JS Execution Cost
587ms total JS execution
REVIEW
587ms total JS execution
Warning::
https://voidlogue.com/: 364ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-VT5N...: 141ms CPU time
Info::
Unattributable: 82ms CPU time
Info::
Third-party scripts: 223ms (38% of total)

Main Thread Breakdown

Style & Layout 35% Other 33% Script Evaluation 16% Script Parsing & Compilation 8% Rendering 5%
ScriptTotalScriptingParse/CompileParty
https://voidlogue.com/364ms3ms1ms1st
https://www.googletagmanager.com/gtag/js?id=G-VT5N58FXGH141ms83ms50ms3rd
Unattributable82ms9ms0ms3rd
B
JS Bundles
2 scripts, 132 KB unused
REVIEW
2 scripts, 132 KB unused
Warning::
https://voidlogue.com/assets/app-1bb3c371e679d2024...: 67 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-VT5N...: 64 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 132 KB
132 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://voidlogue.com/assets/app-1bb3c371e679d20248ae22d7b9f16f71.js?vsn=d96 KB67 KB (70%)✓1st
https://www.googletagmanager.com/gtag/js?id=G-VT5N58FXGH157 KB64 KB (41%)✓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

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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

max-age=0, private, must-revalidate

DirectiveValueMeaning
max-age0Cache for 0 seconds
private—Only browser cache, not CDN/proxy
must-revalidate—Must recheck with server after expiry
A+
Page Weight Budget
611 KB transferred, 14 requests
PASS
611 KB transferred, 14 requests
Info::
Page weighs 1.4 MB (611 KB transferred)
Info::
14 HTTP requests
Info::
Estimated 0.13 g CO2 per page load
611 KB / 2.4 MB budget
611 KB transferred
14 requests
0.13 g CO2 per page load
JavaScript 252.2 KiB 41%
Fonts 190.3 KiB 31%
Images 107.3 KiB 18%
CSS 30.2 KiB 5%
Other 20.3 KiB 3%
HTML 9.4 KiB 2%
Other 713 B 0%
Other 546 B 0%
0 2.4 MB 4.9 MB
Under budget
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
1 images, 0 KB saveable
PASS
1 images, 0 KB saveable
Info::
All images are well-optimized
1 images 107 KB
0 oversized -0 KB
1 legacy format
0 missing dimensions CLS risk
A+
Font Loading
4 fonts (190 KB)
PASS
4 fonts (190 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

190 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 1.2 s LCP 1.3 shttps://fonts.gstatic.com/s/dmsans/v17/rP2Yp2ywxg089UriI5-g4vlH9VoD8Cmcqbu0-K6z9mXg.woff2rP2Yp2ywxg089UriI5-g4vl... https://fonts.gstatic.com/s/dmsans/v17/rP2Yp2ywxg089UriI5-g4vlH9VoD8Cmcqbu0-K6z9mXg.woff2 — 36.1 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/fraunces/v38/6NU58FyLNQOQZAnv9ZwNjucMHVn85Ni7emAe9lKqZTnbB-gzTK0K1ChjeveQ7ZXk8g.woff26NU58FyLNQOQZAnv9ZwNjuc... https://fonts.gstatic.com/s/fraunces/v38/6NU58FyLNQOQZAnv9ZwNjucMHVn85Ni7emAe9lKqZTnbB-gzTK0K1ChjeveQ7ZXk8g.woff2 — 79.8 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/fraunces/v38/6NU78FyLNQOQZAnv9bYEvDiIdE9Ea92uemAk_WBq8U_9v0c2Wa0KxC9TeP2Xz5c.woff26NU78FyLNQOQZAnv9bYEvDi... https://fonts.gstatic.com/s/fraunces/v38/6NU78FyLNQOQZAnv9bYEvDiIdE9Ea92uemAk_WBq8U_9v0c2Wa0KxC9TeP2Xz5c.woff2 — 65.8 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/dmmono/v16/aFTU7PB1QTsUX8KYthqQBK6PYK0.woff2aFTU7PB1QTsUX8KYthqQBK6... https://fonts.gstatic.com/s/dmmono/v16/aFTU7PB1QTsUX8KYthqQBK6PYK0.woff2 — 8.5 KiB — 0 ms — font-display: swap
rP2Yp2ywxg089UriI5-g4vl... woff2 swap
Size 36 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
6NU58FyLNQOQZAnv9ZwNjuc... woff2 swap
Size 80 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
6NU78FyLNQOQZAnv9bYEvDi... woff2 swap
Size 66 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
aFTU7PB1QTsUX8KYthqQBK6... woff2 swap
Size 9 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
14 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
38% of JavaScript execution is third-party
First-party Third-party 223ms · 157KB · $3/mo
Google Tag Manager
Tag Manager
Optional
Execution 141ms
Transfer 157 KB
Unused 41%
Monthly Cost $2/mo
Unattributable
Other
Optional
Execution 82ms
Transfer 0 KB
Monthly Cost $1/mo

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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