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.
11.14 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
14.48 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
869 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.028
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
11.14 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.
29.29 s
Page Load Progression
FPage Weight BudgetAction6.1 MB transferred, 139 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
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
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
FJS Execution CostAction4730ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://s.pinimg.com/webapp/www/_client-89e7baee0a8e7b7c.mjs | 2508ms | 2223ms | 107ms | 3rd |
| Unattributable | 623ms | 20ms | 0ms | 3rd |
| https://de.pinterest.com/ | 500ms | 12ms | 6ms | 3rd |
| https://s.pinimg.com/webapp/31320-2f5f600dacb7eabb.mjs | 282ms | 180ms | 3ms | 3rd |
| https://s.pinimg.com/webapp/18324-f75b500bbaa8e30e.mjs | 251ms | 198ms | 52ms | 3rd |
| https://accounts.google.com/gsi/client?hl=en | 155ms | 100ms | 24ms | 3rd |
| https://s.pinimg.com/webapp/vendor-react-aacabe10c4aaf058.mjs | 133ms | 51ms | 52ms | 3rd |
| https://s.pinimg.com/webapp/38794-8b06bf08008b5f9e.mjs | 80ms | 61ms | 2ms | 3rd |
| https://connect.facebook.net/en_US/bundle/sdk.js/ | 79ms | 59ms | 18ms | 3rd |
| https://s.pinimg.com/webapp/gestalt-cfa709e187d7b2b1.mjs | 68ms | 3ms | 64ms | 3rd |
Showing top 10 of 11 scripts
FJS BundlesAction70 scripts, 812 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://s.pinimg.com/webapp/www/_client-89e7baee0a8e7b7c.mjs | 272 KB | 163 KB (60%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/gestalt-cfa709e187d7b2b1.mjs | 233 KB | 78 KB (34%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/vendor-react-aacabe10c4aaf058.mjs | 134 KB | 68 KB (50%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/68755-c2bf3e5c939f26a9.mjs | 102 KB | 64 KB (63%) | ✓ | 3rd |
| https://accounts.google.com/gsi/client?hl=en | 96 KB | 63 KB (66%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/51405-76ae5359063ab8d4.mjs | 63 KB | 54 KB (87%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/bundle/sdk.js/ | 78 KB | 49 KB (64%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/www/index-213e41f409b42553.mjs | 72 KB | 47 KB (65%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/38595-dd2a1f11d7297c43.mjs | 48 KB | 45 KB (93%) | ✓ | 3rd |
| https://s.pinimg.com/webapp/70508-fff7e96c12c1ceea.mjs | 38 KB | 32 KB (85%) | ✓ | 3rd |
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
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
FPage Weight InventoryAction139 resources · 6.1 MB · 812 KB savings availableFIX
~812.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 139 resources | 6.1 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization42 images, 0 KB saveableREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+Font Loading6 fonts (136 KB)PASS
Web fonts
6
136 KB total
Render-blocking
0
of 6
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+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints55 hints, 0 missing preconnectsPASS
Current Resource Hints
55 resource hints configured
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
Network Waterfall139 requests over 2415msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
s.pinimg.com s.pinimg.com | Other | 2508ms | 272 KB | 60% | €27/mo | Costly |
Unattributable Unattributable | Other | 623ms | 0 KB | — | €7/mo | Costly |
de.pinterest.com de.pinterest.com | Other | 500ms | 95 KB | — | €5/mo | Costly |
s.pinimg.com s.pinimg.com | Other | 282ms | 11 KB | — | €3/mo | Costly |
s.pinimg.com s.pinimg.com | Other | 251ms | 341 KB | — | €3/mo | Costly |
accounts.google.com accounts.google.com | Other | 155ms | 96 KB | 66% | €2/mo | Optional |
s.pinimg.com s.pinimg.com | Other | 133ms | 134 KB | 50% | €1/mo | Optional |
s.pinimg.com s.pinimg.com | Other | 80ms | 8 KB | — | €1/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 79ms | 78 KB | 64% | €1/mo | Optional |
s.pinimg.com s.pinimg.com | Other | 68ms | 233 KB | 34% | €1/mo | Optional |
s.pinimg.com s.pinimg.com | Other | 50ms | 72 KB | 65% | €1/mo | Optional |
These scripts may cost more than they're worth
- s.pinimg.com adds 2508ms and costs ~€27/month
- Unattributable adds 623ms and costs ~€7/month
- de.pinterest.com adds 500ms and costs ~€5/month
- s.pinimg.com adds 282ms and costs ~€3/month
- s.pinimg.com adds 251ms and costs ~€3/month
100% 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
s.pinimg.com takes 2508ms 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
60% of s.pinimg.com'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
Unattributable takes 623ms 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
de.pinterest.com takes 500ms 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
s.pinimg.com takes 282ms 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
s.pinimg.com takes 251ms 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
66% of accounts.google.com'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
50% of s.pinimg.com'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
64% of Facebook Pixel'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
65% of s.pinimg.com'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