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https://www.typst.app

Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
3
PASS
9
INFO
2

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

Mobile Desktop
68
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
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.

2.88 s

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

6.42 s

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

221 ms

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

0.000

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

2.88 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.

6.55 s

Page Load Progression

437 ms
874 ms
1.3 s
1.7 s
2.2 s
2.6 s
3.1 s
3.5 s
Checks
16
9 PASS 3 REVIEW 2 FIX
F
Page Weight Budget
Action
3.6 MB transferred, 98 requests
FIX
3.6 MB transferred, 98 requests
Warning::
Page weighs 4.5 MB (3.6 MB transferred)
Warning::
Images are 1.1 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.1 MB
Info::
Fonts are 401 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 401 KB
Info::
98 HTTP requests
Info::
Estimated 0.76 g CO2 per page load
3.6 MB / 2.4 MB budget
3.6 MB transferred
98 requests
0.76 g CO2 per page load
Other 1.7 MiB 48%
Images 1.1 MiB 30%
Fonts 400.9 KiB 11%
Other 223.3 KiB 6%
JavaScript 70.3 KiB 2%
Other 57.9 KiB 2%
HTML 30.4 KiB 1%
CSS 18.0 KiB 0%
Other 1.1 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

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 Execution Cost
Action
4973ms total JS execution
FIX
4973ms total JS execution
Warning::
Unattributable: 2155ms CPU time
Warning::
https://www.typst.app/: 1433ms CPU time
Warning::
https://misc-a.typst.app/js/script.manual.pageview...: 606ms CPU time
Warning::
https://www.typst.app/_astro/HomePage.astro_astro_...: 564ms CPU time
Info::
https://www.typst.app/_astro/embla-carousel.esm.CM...: 135ms CPU time
Warning::
Third-party scripts: 2760ms (56% of total)

Main Thread Breakdown

Other 48% Style & Layout 23% Script Evaluation 17% Rendering 8% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
Unattributable2155ms177ms0ms3rd
https://www.typst.app/1433ms63ms5ms1st
https://misc-a.typst.app/js/script.manual.pageview-props.js606ms19ms1ms3rd
https://www.typst.app/_astro/HomePage.astro_astro_type_script_index_0_lang.aVL5KTd5.js564ms507ms1ms1st
https://www.typst.app/_astro/embla-carousel.esm.CMPFBS9o.js135ms68ms0ms1st
https://www.typst.app/_astro/timedAnimation.C8Knq_5F.js80ms22ms0ms1st
B
Image Optimization
54 images, 0 KB saveable
REVIEW
54 images, 0 KB saveable
Info::
All images are well-optimized
54 images 1.1 MB
0 oversized -0 KB
17 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
max-age=0
REVIEW
max-age=0
Info::
Cache-Control header is set
Got: max-age=0
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control

max-age=0

DirectiveValueMeaning
max-age0Cache for 0 seconds
A+
Third-Party Impact
6% third-party, 0 ms blocking
PASS
6% third-party, 0 ms blocking
Info::
Third-party code accounts for 6% of page weight (225.9 KiB of 3.6 MiB)
Info::
Third-party blocking time is low (0 ms)
94%
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
9 fonts (401 KB)
PASS
9 fonts (401 KB)
Info::
9 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

9

401 KB total

Render-blocking

0

of 9

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 6.0 s FCP 2.9 s LCP 6.4 shttps://www.typst.app/assets/fonts/HKGrotesk-ExtraBold.woff2HKGrotesk-ExtraBold.woff2 https://www.typst.app/assets/fonts/HKGrotesk-ExtraBold.woff2 — 35.4 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-Black.woff2HKGrotesk-Black.woff2 https://www.typst.app/assets/fonts/HKGrotesk-Black.woff2 — 34.5 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-Regular.woff2HKGrotesk-Regular.woff2 https://www.typst.app/assets/fonts/HKGrotesk-Regular.woff2 — 34.0 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-SemiBold.woff2HKGrotesk-SemiBold.woff2 https://www.typst.app/assets/fonts/HKGrotesk-SemiBold.woff2 — 35.1 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/CascadiaMono-Bold.woff2CascadiaMono-Bold.woff2 https://www.typst.app/assets/fonts/CascadiaMono-Bold.woff2 — 132.5 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/CascadiaMono-Regular-Sub.woff2CascadiaMono-Regular-Su... https://www.typst.app/assets/fonts/CascadiaMono-Regular-Sub.woff2 — 23.9 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-Medium.woff2HKGrotesk-Medium.woff2 https://www.typst.app/assets/fonts/HKGrotesk-Medium.woff2 — 34.8 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-Bold.woff2HKGrotesk-Bold.woff2 https://www.typst.app/assets/fonts/HKGrotesk-Bold.woff2 — 35.6 KiB — 0 ms — font-display: swaphttps://www.typst.app/assets/fonts/HKGrotesk-BlackItalic.woff2HKGrotesk-BlackItalic.w... https://www.typst.app/assets/fonts/HKGrotesk-BlackItalic.woff2 — 35.1 KiB — 0 ms — font-display: swap
HKGrotesk-ExtraBold.woff2 woff2 swap
Size 35 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-Black.woff2 woff2 swap
Size 34 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-Regular.woff2 woff2 swap
Size 34 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-SemiBold.woff2 woff2 swap
Size 35 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
CascadiaMono-Bold.woff2 woff2 swap
Size 133 KB
Load time 0 ms
Start 0 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
CascadiaMono-Regular-Su... woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-Medium.woff2 woff2 swap
Size 35 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-Bold.woff2 woff2 swap
Size 36 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
HKGrotesk-BlackItalic.w... woff2 swap
Size 35 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)

Fixing the unchecked items could save ~66 KB and ~132 ms

A+
JS Bundles
17 scripts, 0 KB unused
PASS
17 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.typst.app/_astro/InlineLinkScript.astro_astro_type_script_index_0_lang.Dx5cWbm6.js1 KB—✓1st
https://www.typst.app/_astro/Start.astro_astro_type_script_index_0_lang.Dy4hGMEZ.js3 KB—✓1st
https://www.typst.app/_astro/ScrollSnapCarousel.astro_astro_type_script_index_0_lang.r42DmlhC.js1 KB—✓1st
https://www.typst.app/_astro/LimitlessPower.astro_astro_type_script_index_0_lang.CmoFGNY9.js1 KB—✓1st
https://www.typst.app/_astro/DemoVideo.astro_astro_type_script_index_0_lang.Gt4xVFuK.js1 KB—✓1st
https://www.typst.app/_astro/Productivity.astro_astro_type_script_index_0_lang.IPCodW12.js2 KB—✓1st
https://www.typst.app/_astro/PillScrolling.astro_astro_type_script_index_0_lang.BfDJXYNk.js2 KB—✓1st
https://www.typst.app/_astro/PricingContactModal.astro_astro_type_script_index_0_lang.B2hiJ2ER.js7 KB—✓1st
https://www.typst.app/_astro/HomePage.astro_astro_type_script_index_0_lang.aVL5KTd5.js38 KB—✓1st
https://www.typst.app/_astro/HomePage.astro_astro_type_script_index_1_lang.B1g1mxWj.js1 KB—✓1st
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
6 hints, 0 missing preconnects
PASS
6 hints, 0 missing preconnects
Info::
Page uses 6 resource hint(s)

Current Resource Hints

preconnect
—
preload
6
dns-prefetch
—
prefetch
—

6 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
Network Waterfall
98 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
56% of JavaScript execution is third-party
First-party Third-party 2760ms · 3KB · €30/mo
Unattributable
Other
Costly
Execution 2155ms
Transfer 0 KB
Monthly Cost €23/mo
misc-a.typst.app
Other
Costly
Execution 606ms
Transfer 3 KB
Monthly Cost €7/mo

These scripts may cost more than they're worth

  • Unattributable adds 2155ms and costs ~€23/month
  • misc-a.typst.app adds 606ms and costs ~€7/month

56% 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

Unattributable takes 2155ms 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

misc-a.typst.app takes 606ms 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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