Performance
· 15 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.
378 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.68 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
756 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.040
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.60 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.
5.83 s
Page Load Progression
921 ms
1.8 s
2.8 s
3.7 s
4.6 s 5.5 s
6.4 s
7.4 sFPage Weight BudgetAction15.1 MB transferred, 210 requestsFIX
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
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 ImpactAction94% third-party, 0 ms blockingFIX
DJS Execution CostAction3406ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| Unattributable | 801ms | 95ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-WTNN7W&l=dataLayer | 674ms | 603ms | 38ms | 3rd |
| https://dev.visualwebsiteoptimizer.com/cdn/edrv/va_gq-d728c477f0f4777c8be7f1f120d0c70b.br.js | 362ms | 241ms | 12ms | 3rd |
| https://matterport.com/_next/static/chunks/framework-e597e73f0a8bedf3.js | 266ms | 246ms | 9ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-W66Y5HELXX&cx=c>m=4e64h1 | 213ms | 180ms | 30ms | 3rd |
| https://matterport.com/ | 171ms | 7ms | 0ms | 1st |
| https://js.qualified.com/qualified.js?token=oerwbSnkKEjaiD3g | 153ms | 129ms | 12ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=DC-9563670 | 151ms | 63ms | 87ms | 3rd |
| https://js.qualified.com/packs/js/multimodal_v2-1aa133be.js | 135ms | 89ms | 27ms | 3rd |
| https://matterport.com/_next/static/chunks/pages/_app-3ee91ba3dbd3cf3b.js | 114ms | 77ms | 21ms | 1st |
Showing top 10 of 15 scripts
FJS BundlesAction88 scripts, 1.0 MB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://matterport.com/_next/static/chunks/2135-ca2d07f122fa631b.js | 44 KB | 173 KB (90%) | ✓ | 1st |
| https://matterport.com/_next/static/chunks/2135-ca2d07f122fa631b.js | 0 KB | 173 KB (90%) | ✓ | 1st |
| https://matterport.com/_next/static/chunks/pages/_app-3ee91ba3dbd3cf3b.js | 173 KB | 108 KB (62%) | ✓ | 1st |
| https://matterport.com/_next/static/chunks/9260-a517158332197e7a.js | 35 KB | 89 KB (90%) | ✓ | 1st |
| https://matterport.com/_next/static/chunks/9260-a517158332197e7a.js | 0 KB | 89 KB (90%) | ✓ | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-W66Y5HELXX&cx=c>m=4e64h1 | 176 KB | 66 KB (38%) | ✓ | 3rd |
| https://dev.visualwebsiteoptimizer.com/cdn/edrv/va_gq-d728c477f0f4777c8be7f1f120d0c70b.br.js | 97 KB | 59 KB (61%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-WTNN7W&l=dataLayer | 193 KB | 58 KB (30%) | ✓ | 3rd |
| https://js.qualified.com/qualified.js?token=oerwbSnkKEjaiD3g | 117 KB | 57 KB (49%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=DC-9563670 | 130 KB | 56 KB (43%) | ✓ | 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 InventoryAction210 resources · 15.1 MB · 1.0 MB savings availableFIX
~1.0 MiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 210 resources | 15.1 MiB | ||||||
CImage OptimizationAction40 images, 0 KB saveableREVIEW
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
BHTTP Cachingpublic, max-age=0, must-revalidateREVIEW
public, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
A+Text CompressionAll text resources are compressedPASS
A+Font Loading6 fonts (541 KB)PASS
Web fonts
6
541 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- 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 ~163 KB and ~326 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall210 requests over 6296msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 801ms | 0 KB | — | $5/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 674ms | 193 KB | 30% | $4/mo | Costly |
dev.visualwebsiteoptimizer.com dev.visualwebsiteoptimizer.com | Other | 362ms | 97 KB | 61% | $2/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 213ms | 176 KB | 38% | $1/mo | Costly |
js.qualified.com js.qualified.com | Other | 153ms | 117 KB | 49% | $1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 151ms | 130 KB | 43% | $1/mo | Optional |
js.qualified.com js.qualified.com | Other | 135ms | 97 KB | 52% | $1/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 84ms | 51 KB | — | $0/mo | Optional |
Microsoft Clarity scripts.clarity.ms | Session Replay | 81ms | 26 KB | — | $0/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 66ms | 97 KB | 34% | $0/mo | Optional |
Segment cdn.segment.com | Analytics | 61ms | 1 KB | — | $0/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 801ms and costs ~$5/month
- Google Tag Manager adds 674ms and costs ~$4/month
- dev.visualwebsiteoptimizer.com adds 362ms and costs ~$2/month
- Google Tag Manager adds 213ms and costs ~$1/month
82% 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 801ms 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 674ms 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
dev.visualwebsiteoptimizer.com takes 362ms 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
61% of dev.visualwebsiteoptimizer.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
Google Tag Manager takes 213ms 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
52% of js.qualified.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