Performance
· 28 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.50 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
0 ms
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.
0.361
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.74 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.
0 ms
Page Load Progression
DThird-Party ImpactAction65% third-party, 0 ms blockingFIX
FJS Execution CostAction7062ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://mytypingai.com/ | 3369ms | 22ms | 5ms | 1st |
| https://mytypingai.com/assets/index-B7OCOpvH.js | 2038ms | 1620ms | 4ms | 1st |
| Unattributable | 810ms | 83ms | 0ms | 1st |
| https://mytypingai.com/assets/index-DXRmRnOY.js | 333ms | 56ms | 1ms | 1st |
| https://connect.facebook.net/signals/config/1322501343333733?v=2.9.435&r=stable&domain=mytypingai.com&im=1&hme=4453c87d489b6902031c012cadd2731893cd69feb64fe8a61b339727247a7703&ex_m=118%2C242%2C171%2C27%2C82%2C83%2C162%2C78%2C77%2C11%2C181%2C102%2C20%2C153%2C141%2C46%2C85%2C90%2C149%2C176%2C183%2C8%2C4%2C5%2C7%2C6%2C3%2C103%2C115%2C32%2C17%2C31%2C18%2C33%2C34%2C35%2C37%2C55%2C163%2C87%2C126%2C22%2C24%2C51%2C47%2C49%2C48%2C95%2C104%2C108%2C124%2C160%2C164%2C53%2C125%2C29%2C26%2C133%2C79%2C43%2C166%2C165%2C167%2C157%2C155%2C30%2C42%2C66%2C123%2C178%2C80%2C21%2C128%2C93%2C76%2C23%2C97%2C98%2C130%2C96%2C151%2C150%2C154%2C109%2C177%2C180%2C41%2C56%2C127%2C54%2C161%2C72%2C185%2C110%2C184%2C211%2C263%2C84%2C283%2C282%2C281%2C14%2C25%2C28%2C40%2C62%2C117%2C68%2C10%2C73%2C111%2C112%2C113%2C119%2C144%2C38%2C36%2C146%2C147%2C148%2C143%2C142%2C172%2C86%2C175%2C173%2C174%2C57%2C69%2C67%2C137%2C19%2C179%2C52%2C333%2C334%2C335%2C332%2C349%2C371%2C256%2C238%2C70%2C239%2C237%2C374%2C365%2C59%2C257%2C121%2C145%2C92%2C135%2C61%2C134%2C140%2C139%2C65%2C74%2C168%2C88%2C89%2C129%2C44%2C39%2C60%2C63%2C114%2C182%2C1%2C138%2C16%2C136%2C12%2C2%2C64%2C105%2C15%2C75%2C71%2C132%2C101%2C100%2C187%2C188%2C106%2C107%2C9%2C116%2C186%2C58%2C158%2C99%2C91%2C81%2C131%2C120%2C169%2C50%2C159%2C0%2C94%2C152%2C156%2C170%2C45%2C122%2C13%2C189 | 295ms | 252ms | 40ms | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 159ms | 116ms | 41ms | 3rd |
| https://mytypingai.com/~flock.js | 58ms | 51ms | 2ms | 1st |
DPage Weight InventoryAction79 resources · 1.6 MB · 0 KB savings availableFIX
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 79 resources | 1.6 MiB | ||||||
CPage Weight BudgetAction1.6 MB transferred, 79 requestsREVIEW
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
BImage Optimization17 images, 0 KB saveableREVIEW
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BAsset Compression1 of 2 asset hosts serve text uncompressedREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachingno-cache, must-revalidate, max-age=0REVIEW
no-cache, must-revalidate, max-age=0
| Directive | Value | Meaning |
|---|---|---|
| no-cache | — | Cache but always revalidate first |
| must-revalidate | — | Must recheck with server after expiry |
| max-age | 0 | Cache for 0 seconds |
A+Text CompressionAll text resources are compressedPASS
A+Font Loading7 fonts (183 KB)PASS
Web fonts
7
183 KB total
Render-blocking
0
of 7
Dominant font-display
swap
Most common across fonts
Font loading timeline
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+JS Bundles34 scripts, 0 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://mytypingai.com/assets/index-B7OCOpvH.js | 312 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/index-DXRmRnOY.js | 24 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/use-task-economy-OrkR-8f7.js | 0 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/guide-video.functions-B4ERbPPg.js | 1 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/app-header-YwR0bIuI.js | 14 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/index-BdQq_4o_.js | 0 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/index-BBvaqE8i.js | 0 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/index-ByXmaA4-.js | 0 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/arrow-right-BCnd01A8.js | 0 KB | — | ✓ | 1st |
| https://mytypingai.com/assets/scanned-canvas-DGkbFz-U.js | 3 KB | — | ✓ | 1st |
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints3 hints, 0 missing preconnectsPASS
Current Resource Hints
3 resource hints configured
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-cache -- safe revalidate-on-request policyPASS
AServer Response Intelligence2 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
Network Waterfall79 requests over 8726msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Facebook Pixel connect.facebook.net | Advertising | 295ms | 159 KB | — | €5/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 159ms | 112 KB | — | €3/mo | Optional |
These scripts may cost more than they're worth
- Facebook Pixel adds 295ms and costs ~€5/month
Facebook Pixel takes 295ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-10-06 — 2026-11-02)
LCP (p75)
6358 ms
36% good
INP (p75)
589 ms
19% good
CLS (p75)
1.100
15% good
FCP (p75)
5182 ms
TTFB (p75)
3455 ms
Image Optimization9 images, 123 KB total, 60 KB wastedINFO
Image Optimization Audit
Total Images
9
Total Size
123 KB
Oversized
1
Wasted
60 KB