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.
12.42 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
14.54 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.97 s
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.
12.42 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.
26.82 s
Page Load Progression
FPage Weight BudgetAction5.3 MB transferred, 124 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 CostAction9742ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://s1-c.pinimg.com/webapp/www/_client-976aa3e3a9606a86.mjs | 4849ms | 4307ms | 217ms | 3rd |
| https://au.pinterest.com/ | 1171ms | 20ms | 26ms | 3rd |
| Unattributable | 1140ms | 19ms | 0ms | 3rd |
| https://s1-c.pinimg.com/webapp/31320-886f3360faf27a7c.mjs | 590ms | 333ms | 5ms | 3rd |
| https://s1-c.pinimg.com/webapp/18324-bb070f07a7b502e1.mjs | 487ms | 375ms | 111ms | 3rd |
| https://s1-c.pinimg.com/webapp/vendor-react-fa26396fbb65a22a.mjs | 336ms | 98ms | 156ms | 3rd |
| https://connect.facebook.net/en_US/bundle/sdk.js/ | 260ms | 148ms | 40ms | 3rd |
| https://accounts.google.com/gsi/client?hl=en | 205ms | 128ms | 39ms | 3rd |
| https://s1-c.pinimg.com/webapp/gestalt-ffb1fe0d1cf57ef3.mjs | 148ms | 3ms | 143ms | 3rd |
| https://s1-c.pinimg.com/webapp/38794-4537576a65b1938c.mjs | 135ms | 109ms | 6ms | 3rd |
Showing top 10 of 16 scripts
FJS BundlesAction70 scripts, 817 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://s1-c.pinimg.com/webapp/www/_client-976aa3e3a9606a86.mjs | 272 KB | 163 KB (60%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/gestalt-ffb1fe0d1cf57ef3.mjs | 233 KB | 78 KB (34%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/vendor-react-fa26396fbb65a22a.mjs | 134 KB | 68 KB (51%) | ✓ | 3rd |
| https://accounts.google.com/gsi/client?hl=en | 96 KB | 65 KB (68%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/68755-00b6737428b3eb6d.mjs | 102 KB | 64 KB (63%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/51405-ad55099ab579d47a.mjs | 63 KB | 55 KB (87%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/bundle/sdk.js/ | 78 KB | 49 KB (64%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/38595-220ff93547e0563d.mjs | 49 KB | 45 KB (93%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/www/index-8ff8e2bb28cdb79d.mjs | 72 KB | 43 KB (60%) | ✓ | 3rd |
| https://s1-c.pinimg.com/webapp/70508-ff51fc93d4d74ff3.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 InventoryAction124 resources · 5.3 MB · 817 KB savings availableFIX
~816.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 124 resources | 5.3 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization28 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 Waterfall124 requests over 3130msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
s1-c.pinimg.com s1-c.pinimg.com | Other | 4849ms | 272 KB | 60% | A$84/mo | Costly |
au.pinterest.com au.pinterest.com | Other | 1171ms | 96 KB | — | A$20/mo | Costly |
Unattributable Unattributable | Other | 1140ms | 0 KB | — | A$20/mo | Costly |
s1-c.pinimg.com s1-c.pinimg.com | Other | 590ms | 11 KB | — | A$10/mo | Costly |
s1-c.pinimg.com s1-c.pinimg.com | Other | 487ms | 341 KB | — | A$8/mo | Costly |
s1-c.pinimg.com s1-c.pinimg.com | Other | 336ms | 134 KB | 51% | A$6/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 260ms | 78 KB | 64% | A$4/mo | Costly |
accounts.google.com accounts.google.com | Other | 205ms | 96 KB | 68% | A$4/mo | Costly |
s1-c.pinimg.com s1-c.pinimg.com | Other | 148ms | 233 KB | 34% | A$3/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 135ms | 8 KB | — | A$2/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 93ms | 72 KB | 60% | A$2/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 83ms | 102 KB | 63% | A$1/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 75ms | 27 KB | — | A$1/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 64ms | 63 KB | 87% | A$1/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 54ms | 32 KB | 84% | A$1/mo | Optional |
s1-c.pinimg.com s1-c.pinimg.com | Other | 52ms | 93 KB | — | A$1/mo | Optional |
These scripts may cost more than they're worth
- s1-c.pinimg.com adds 4849ms and costs ~A$84/month
- au.pinterest.com adds 1171ms and costs ~A$20/month
- Unattributable adds 1140ms and costs ~A$20/month
- s1-c.pinimg.com adds 590ms and costs ~A$10/month
- s1-c.pinimg.com adds 487ms and costs ~A$8/month
- s1-c.pinimg.com adds 336ms and costs ~A$6/month
- Facebook Pixel adds 260ms and costs ~A$4/month
- accounts.google.com adds 205ms and costs ~A$4/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
s1-c.pinimg.com takes 4849ms 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 s1-c.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
au.pinterest.com takes 1171ms 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
Unattributable takes 1140ms 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
s1-c.pinimg.com takes 590ms 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
s1-c.pinimg.com takes 487ms 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
s1-c.pinimg.com takes 336ms 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
51% of s1-c.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
Facebook Pixel takes 260ms 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 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
accounts.google.com takes 205ms 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
68% 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
60% of s1-c.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
63% of s1-c.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
87% of s1-c.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
84% of s1-c.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