Performance
· 17 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.
1.88 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.58 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
720 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.020
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.38 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.
13.58 s
Page Load Progression
DJS Execution CostAction2688ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| Unattributable | 604ms | 146ms | 0ms | 3rd |
| https://buymeacoffee.com/ | 589ms | 8ms | 1ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=AW-737815034&cx=c>m=4e64h1 | 522ms | 459ms | 58ms | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-WWDFL8L | 421ms | 339ms | 69ms | 3rd |
| https://buymeacoffee.com/_nuxt/CfMjgViS.js | 167ms | 155ms | 0ms | 1st |
| https://connect.facebook.net/en_US/fbevents.js | 127ms | 96ms | 30ms | 3rd |
| https://cdn-cookieyes.com/client_data/f625fe4b8a08d8eaa6c9f65a/banner.js | 97ms | 70ms | 2ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-4220TB38WC&cx=c>m=4e64h1 | 97ms | 35ms | 62ms | 3rd |
| https://static.ads-twitter.com/uwt.js | 64ms | 56ms | 7ms | 3rd |
DPage Weight InventoryAction71 resources · 1.7 MB · 273 KB savings availableFIX
~273.3 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 71 resources | 1.7 MiB | ||||||
CPage Weight BudgetAction1.7 MB transferred, 71 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
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
BThird-Party Impact56% third-party, 0 ms blockingREVIEW
BImage Optimization23 images, 0 KB saveableREVIEW
CJS BundlesAction19 scripts, 273 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=G-4220TB38WC&cx=c>m=4e64h1 | 178 KB | 113 KB (64%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-WWDFL8L | 151 KB | 61 KB (41%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=AW-737815034&cx=c>m=4e64h1 | 178 KB | 54 KB (30%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 97 KB | 45 KB (47%) | ✓ | 3rd |
| https://buymeacoffee.com/_nuxt/cD63XNEU.js | 4 KB | — | ✓ | 1st |
| https://buymeacoffee.com/_nuxt/f5AKa4Q3.js | 2 KB | — | ✓ | 1st |
| https://buymeacoffee.com/_nuxt/CfMjgViS.js | 31 KB | — | ✓ | 1st |
| https://buymeacoffee.com/_nuxt/BYdT2AoO.js | 1 KB | — | ✓ | 1st |
| https://buymeacoffee.com/_nuxt/DpPXroRa.js | 156 KB | — | ✓ | 1st |
| https://buymeacoffee.com/_nuxt/BYeaWBsl.js | 1 KB | — | ✓ | 1st |
Consider code splitting or tree shaking to reduce unused code.
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.
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.
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.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (419 KB)PASS
Web fonts
4
419 KB total
Render-blocking
0
of 4
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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 ~336 KB and ~672 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints4 hints, 0 missing preconnectsPASS
Current Resource Hints
4 resource hints configured
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
A+HTTP Cachingmax-age=31536000 (52 weeks)PASS
public, max-age=31536000, s-maxage=86400
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 31536000 | Cache for 52 weeks |
| s-maxage | 86400 | CDN caches for 1 day |
Network Waterfall71 requests over 1567msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 604ms | 0 KB | — | €7/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 522ms | 178 KB | 30% | €6/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 421ms | 151 KB | 41% | €5/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 127ms | 97 KB | 47% | €1/mo | Optional |
cdn-cookieyes.com cdn-cookieyes.com | Other | 97ms | 8 KB | — | €1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 97ms | 178 KB | 64% | €1/mo | Optional |
Twitter/X Pixel static.ads-twitter.com | Advertising | 64ms | 13 KB | — | €1/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 604ms and costs ~€7/month
- Google Tag Manager adds 522ms and costs ~€6/month
- Google Tag Manager adds 421ms and costs ~€5/month
72% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
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 604ms 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
Google Tag Manager takes 522ms 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
Google Tag Manager takes 421ms 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
64% of Google Tag Manager's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev