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.
2.78 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.23 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
236 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.016
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.55 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.
13.24 s
Page Load Progression
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
FJS Execution CostAction3594ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.grandviewresearch.com/ | 1007ms | 4ms | 1ms | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/jquery-3.7.1.min.js?v=1.0.93 | 787ms | 279ms | 8ms | 3rd |
| Unattributable | 523ms | 14ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-PEE1R7WJJ7 | 387ms | 273ms | 74ms | 3rd |
| https://www.grandviewresearch.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js | 255ms | 196ms | 4ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=AW-977585600 | 246ms | 202ms | 37ms | 3rd |
| https://a.omappapi.com/app/js/8.072a9e09.min.js | 110ms | 86ms | 1ms | 3rd |
| https://a.omappapi.com/app/js/32.0d845025.min.js | 88ms | 83ms | 4ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=AW-977585600&cx=c>m=4e64k0h2 | 67ms | 22ms | 45ms | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/lazysizes.min.js?v=1.0.93 | 64ms | 38ms | 1ms | 3rd |
Showing top 10 of 11 scripts
DPage Weight InventoryAction99 resources · 1.7 MB · 236 KB savings availableFIX
~235.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 99 resources | 1.7 MiB | ||||||
CPage Weight BudgetAction1.7 MB transferred, 99 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
CImage OptimizationAction34 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
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
CJS BundlesAction37 scripts, 236 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=AW-977585600&cx=c>m=4e64k0h2 | 144 KB | 106 KB (74%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-PEE1R7WJJ7 | 176 KB | 68 KB (38%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=AW-977585600 | 144 KB | 62 KB (43%) | ✓ | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/jquery-3.7.1.min.js?v=1.0.93 | 30 KB | — | ✓ | 3rd |
| https://track.grandviewresearch.net/api/script.js | 7 KB | — | ✓ | 3rd |
| https://track.grandviewresearch.net/api/script.js | 0 KB | — | ✓ | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/autosearch.js?v=1.0.93 | 1 KB | — | ✓ | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/custom.js?v=1.0.93 | 3 KB | — | ✓ | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/jquery-4.3.0.form.min.js?v=1.0.93 | 7 KB | — | ✓ | 3rd |
| https://cdn.grandviewresearch.com/gvr/js/ajax-search-suggest-lib.min.js?v=1.0.93 | 6 KB | — | ✓ | 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
BHTTP Cachingmax-age=0REVIEW
max-age=0
| Directive | Value | Meaning |
|---|---|---|
| max-age | 0 | Cache for 0 seconds |
A+Text CompressionAll text resources are compressedPASS
A+Font Loading8 fonts (166 KB)PASS
Web fonts
8
166 KB total
Render-blocking
0
of 8
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 Hints16 hints, 0 missing preconnectsPASS
Current Resource Hints
16 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
Network Waterfall99 requests over 2167msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
www.grandviewresearch.com www.grandviewresearch.com | Other | 1007ms | 38 KB | — | €16/mo | Costly |
cdn.grandviewresearch.com cdn.grandviewresearch.com | Other | 787ms | 30 KB | — | €13/mo | Costly |
Unattributable Unattributable | Other | 523ms | 0 KB | — | €8/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 387ms | 176 KB | 38% | €6/mo | Costly |
www.grandviewresearch.com www.grandviewresearch.com | Other | 255ms | 4 KB | — | €4/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 246ms | 144 KB | 43% | €4/mo | Costly |
a.omappapi.com a.omappapi.com | Other | 110ms | 2 KB | — | €2/mo | Optional |
a.omappapi.com a.omappapi.com | Other | 88ms | 10 KB | — | €1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 67ms | 144 KB | 74% | €1/mo | Optional |
cdn.grandviewresearch.com cdn.grandviewresearch.com | Other | 64ms | 3 KB | — | €1/mo | Optional |
a.omappapi.com a.omappapi.com | Other | 59ms | 16 KB | — | €1/mo | Optional |
These scripts may cost more than they're worth
- www.grandviewresearch.com adds 1007ms and costs ~€16/month
- cdn.grandviewresearch.com adds 787ms and costs ~€13/month
- Unattributable adds 523ms and costs ~€8/month
- Google Tag Manager adds 387ms and costs ~€6/month
- www.grandviewresearch.com adds 255ms and costs ~€4/month
- Google Tag Manager adds 246ms and costs ~€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
www.grandviewresearch.com takes 1007ms 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
cdn.grandviewresearch.com takes 787ms 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 523ms 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 387ms 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
www.grandviewresearch.com takes 255ms 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 246ms 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
74% 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