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.
781 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.52 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
132 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.28 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.
4.91 s
Page Load Progression
FPage Weight BudgetAction3.5 MB transferred, 163 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
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
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 ImpactAction97% third-party, 0 ms blockingFIX
DJS Execution CostAction2006ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://static1.gamerantimages.com/assets/valnet-footer.66f46bad.js | 487ms | 93ms | 9ms | 3rd |
| https://gamerant.com/ | 359ms | 46ms | 6ms | 1st |
| https://d15kdpgjg3unno.cloudfront.net/oPS.js?cid=76 | 347ms | 339ms | 6ms | 3rd |
| Unattributable | 280ms | 22ms | 0ms | 3rd |
| https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097946 | 145ms | 101ms | 20ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-W0NCL318JZ | 114ms | 88ms | 22ms | 3rd |
| https://btloader.com/tag?o=5100917733457920&upapi=true | 74ms | 68ms | 3ms | 3rd |
| https://cdn.adsninja.ca/adsninja_client.js?v=3648 | 69ms | 27ms | 42ms | 3rd |
| https://c.amazon-adsystem.com/aax2/apstag.js | 65ms | 31ms | 20ms | 3rd |
| https://cdn.adsninja.ca/biddertypelibrary/live/GameRant/Prebid_Default.js?v=3648 | 65ms | 46ms | 18ms | 3rd |
FJS BundlesAction43 scripts, 1.0 MB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://cdn.adsninja.ca/adsninja_client.js?v=3648 | 318 KB | 274 KB (86%) | ✓ | 3rd |
| https://cdn.adsninja.ca/biddertypelibrary/live/GameRant/Prebid_Default.js?v=3648 | 198 KB | 162 KB (82%) | ✓ | 3rd |
| https://cdn.jsdelivr.net/npm/hls.js@latest | 160 KB | 145 KB (91%) | ✓ | 3rd |
| https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097946 | 187 KB | 131 KB (70%) | ✓ | 3rd |
| https://imasdk.googleapis.com/js/sdkloader/ima3.js | 147 KB | 107 KB (73%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-W0NCL318JZ | 159 KB | 66 KB (41%) | ✓ | 3rd |
| https://c.amazon-adsystem.com/aax2/apstag.js | 91 KB | 58 KB (64%) | ✓ | 3rd |
| https://static1.gamerantimages.com/assets/valnet-footer.66f46bad.js | 66 KB | 48 KB (73%) | ✓ | 3rd |
| https://ats-wrapper.privacymanager.io/ats-modules/965715a0-f091-439e-a69e-257f7950b03c/ats.js | 75 KB | 38 KB (51%) | ✓ | 3rd |
| https://d15kdpgjg3unno.cloudfront.net/oPS.js?cid=76 | 60 KB | 25 KB (42%) | ✓ | 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 InventoryAction163 resources · 3.5 MB · 1.0 MB savings availableFIX
~1.0 MiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 163 resources | 3.5 MiB | ||||||
CImage OptimizationAction47 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
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachingmax-age=0, must-revalidate, privateREVIEW
max-age=0, must-revalidate, private
| Directive | Value | Meaning |
|---|---|---|
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
| private | — | Only browser cache, not CDN/proxy |
A+Text CompressionAll text resources are compressedPASS
A+Font Loading7 fonts (159 KB)PASS
Web fonts
7
159 KB total
Render-blocking
0
of 7
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
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 ~20 KB and ~40 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
Network Waterfall163 requests over 6989msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
static1.gamerantimages.com static1.gamerantimages.com | Other | 487ms | 66 KB | 73% | €5/mo | Costly |
d15kdpgjg3unno.cloudfront.net d15kdpgjg3unno.cloudfront.net | Other | 347ms | 60 KB | 42% | €4/mo | Costly |
Unattributable Unattributable | Other | 280ms | 0 KB | — | €3/mo | Costly |
securepubads.g.doubleclick.net securepubads.g.doubleclick.net | Other | 145ms | 187 KB | 70% | €2/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 114ms | 159 KB | 41% | €1/mo | Optional |
btloader.com btloader.com | Other | 74ms | 31 KB | — | €1/mo | Optional |
cdn.adsninja.ca cdn.adsninja.ca | Other | 69ms | 318 KB | 86% | €1/mo | Optional |
c.amazon-adsystem.com c.amazon-adsystem.com | Other | 65ms | 91 KB | 64% | €1/mo | Optional |
cdn.adsninja.ca cdn.adsninja.ca | Other | 65ms | 198 KB | 82% | €1/mo | Optional |
These scripts may cost more than they're worth
- static1.gamerantimages.com adds 487ms and costs ~€5/month
- d15kdpgjg3unno.cloudfront.net adds 347ms and costs ~€4/month
- Unattributable adds 280ms and costs ~€3/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
static1.gamerantimages.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
73% of static1.gamerantimages.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
d15kdpgjg3unno.cloudfront.net takes 347ms 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 280ms 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
70% of securepubads.g.doubleclick.net'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
86% of cdn.adsninja.ca'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 c.amazon-adsystem.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
82% of cdn.adsninja.ca'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