Performance
· 27 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.
6.58 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
100.91 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
5 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.004
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
39.36 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.
101.07 s
Page Load Progression
FPage Weight BudgetAction19.8 MB transferred, 99 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.
Source: web.dev
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization37 images, 0 KB saveableREVIEW
CJS Execution CostAction1890ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| Unattributable | 820ms | 7ms | 0ms | 1st |
| https://tambosi-odeonsplatz.de/ | 485ms | 55ms | 5ms | 1st |
| https://tambosi-odeonsplatz.de/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 453ms | 318ms | 6ms | 1st |
| https://tambosi-odeonsplatz.de/wp-includes/js/mediaelement/mediaelement-and-player.min.js?ver=4.2.17 | 73ms | 46ms | 22ms | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/js/waypoints/waypoints.min.js?ver=7.1 | 60ms | 37ms | 1ms | 1st |
BJS Bundles28 scripts, 133 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://tambosi-odeonsplatz.de/wp-includes/js/mediaelement/mediaelement-and-player.min.js?ver=4.2.17 | 155 KB | 98 KB (63%) | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 86 KB | 35 KB (41%) | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/js/shortcodes.min.js?ver=7.1 | 23 KB | — | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/config-gutenberg/js/avia_blocks_front.min.js?ver=7.1 | 2 KB | — | ✓ | 1st |
| https://d18wbssj9sd0zj.cloudfront.net/reservations/v2.0/reservations.js?_g_app_v_=16156d452770b601f01265ca362e79db9fe932dd | 2 KB | — | ✓ | 3rd |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/js/waypoints/waypoints.min.js?ver=7.1 | 9 KB | — | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/js/avia.min.js?ver=7.1 | 26 KB | — | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/js/avia-js.min.js?ver=7.1 | 2 KB | — | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/config-templatebuilder/avia-shortcodes/gallery/gallery.min.js?ver=7.1 | 3 KB | — | ✓ | 1st |
| https://tambosi-odeonsplatz.de/wp-content/themes/enfold/config-templatebuilder/avia-shortcodes/slideshow/slideshow.min.js?ver=7.1 | 17 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
CDocument CompressionActionDocument response served uncompressedREVIEW
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction99 resources · 19.8 MB · 133 KB savings availableREVIEW
~133.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 99 resources | 19.8 MiB | ||||||
BJavaScript Blocking1 JS blocking issue(s) detectedREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact1% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font LoadingNo web fonts (system fonts)PASS
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
AAsset Compression1 of 1 asset host still on gzipPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence1 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
Network Waterfall99 requests over 6975msINFO
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-08-11 — 2026-09-07)
LCP (p75)
6036 ms
29% good
INP (p75)
103 ms
97% good
CLS (p75)
0.010
100% good
FCP (p75)
4161 ms
TTFB (p75)
3375 ms
Image Optimization62 images, 12105 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
62
Total Size
12105 KB
Oversized
3