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.
952 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.23 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
320 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.008
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.15 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.
4.11 s
Page Load Progression
FPage Weight BudgetAction3.5 MB transferred, 114 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 ImpactAction75% third-party, 0 ms blockingFIX
DJS Execution CostAction2980ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://gizmodo.com/ | 423ms | 23ms | 6ms | 1st |
| https://cds.connatix.com/p/309170447/connatix.player.js?cid=872d12ce-453b-4870-845f-955919887e1b&pid=92b7b46b-43ed-4e0e-b21b-2c999302d9d7 | 361ms | 268ms | 27ms | 3rd |
| Unattributable | 339ms | 73ms | 0ms | 3rd |
| https://cache.consentframework.com/js/pa/41707/c/V2Sw7/cmp | 305ms | 195ms | 47ms | 3rd |
| https://cds.connatix.com/p/309170447/player.lit.ui.js | 229ms | 176ms | 6ms | 3rd |
| https://cdn.confiant-integrations.net/video/202603241056/wrap.js | 213ms | 172ms | 13ms | 3rd |
| https://cds.connatix.com/p/309170447/player.user.manager.service.js | 207ms | 182ms | 4ms | 3rd |
| https://imasdk.googleapis.com/js/sdkloader/ima3.js | 188ms | 162ms | 18ms | 3rd |
| https://scripts.opti-digital.com/lib/?site=gizmodo&lib=launcher&v=5.2.89 | 112ms | 47ms | 1ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-EYNXLD4983&cx=c>m=4e64e1&bs=ctrl | 105ms | 80ms | 17ms | 3rd |
Showing top 10 of 16 scripts
FJS BundlesAction42 scripts, 749 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604100101/pubads_impl.js | 186 KB | 141 KB (75%) | ✓ | 3rd |
| https://imasdk.googleapis.com/js/sdkloader/ima3.js | 146 KB | 79 KB (55%) | ✓ | 3rd |
| https://scripts.opti-digital.com/lib/?site=gizmodo&lib=launcher&v=5.2.89 | 99 KB | 78 KB (79%) | ✓ | 3rd |
| https://cdn.confiant-integrations.net/video/202603241056/wrap.js | 125 KB | 70 KB (56%) | ✓ | 3rd |
| https://cds.connatix.com/p/309170447/player.ads.js | 95 KB | 66 KB (69%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-EYNXLD4983&cx=c>m=4e64e1&bs=ctrl | 157 KB | 65 KB (42%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-W5PBFP3X | 120 KB | 59 KB (50%) | ✓ | 3rd |
| https://cds.connatix.com/p/309170447/connatix.player.js?cid=872d12ce-453b-4870-845f-955919887e1b&pid=92b7b46b-43ed-4e0e-b21b-2c999302d9d7 | 139 KB | 48 KB (34%) | ✓ | 3rd |
| https://cds.connatix.com/p/309170447/player.hls.js | 75 KB | 39 KB (53%) | ✓ | 3rd |
| https://cache.consentframework.com/js/pa/41707/c/V2Sw7/cmp | 332 KB | 33 KB (11%) | ✓ | 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 InventoryAction114 resources · 3.5 MB · 749 KB savings availableFIX
~749.2 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 114 resources | 3.5 MiB | ||||||
DHTTP CachingActionno-store (uncacheable)FIX
no-cache, no-store, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| no-cache | — | Cache but always revalidate first |
| no-store | — | Never cache this response |
| must-revalidate | — | Must recheck with server after expiry |
BImage Optimization32 images, 0 KB saveableREVIEW
Set explicit width and height to prevent CLS.
Performance issues directly impact user engagement and conversion rates.
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (215 KB)PASS
Web fonts
4
215 KB total
Render-blocking
0
of 4
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 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 Waterfall114 requests over 4181msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
cds.connatix.com cds.connatix.com | Other | 361ms | 139 KB | 34% | $5/mo | Costly |
Unattributable Unattributable | Other | 339ms | 0 KB | — | $4/mo | Costly |
cache.consentframework.com cache.consentframework.com | Other | 305ms | 332 KB | 11% | $4/mo | Costly |
cds.connatix.com cds.connatix.com | Other | 229ms | 37 KB | — | $3/mo | Costly |
cdn.confiant-integrations.net cdn.confiant-integrations.net | Other | 213ms | 125 KB | 56% | $3/mo | Costly |
cds.connatix.com cds.connatix.com | Other | 207ms | 16 KB | — | $3/mo | Costly |
imasdk.googleapis.com imasdk.googleapis.com | Other | 188ms | 146 KB | 55% | $2/mo | Optional |
scripts.opti-digital.com scripts.opti-digital.com | Other | 112ms | 99 KB | 79% | $1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 105ms | 157 KB | 42% | $1/mo | Optional |
cds.connatix.com cds.connatix.com | Other | 96ms | 75 KB | 53% | $1/mo | Optional |
securepubads.g.doubleclick.net securepubads.g.doubleclick.net | Other | 93ms | 186 KB | 75% | $1/mo | Optional |
cache.consentframework.com cache.consentframework.com | Other | 92ms | 3 KB | — | $1/mo | Optional |
pagead2.googlesyndication.com pagead2.googlesyndication.com | Other | 83ms | 0 KB | — | $1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 70ms | 120 KB | 50% | $1/mo | Optional |
scripts.opti-digital.com scripts.opti-digital.com | Other | 63ms | 9 KB | — | $1/mo | Optional |
These scripts may cost more than they're worth
- cds.connatix.com adds 361ms and costs ~$5/month
- Unattributable adds 339ms and costs ~$4/month
- cache.consentframework.com adds 305ms and costs ~$4/month
- cds.connatix.com adds 229ms and costs ~$3/month
- cdn.confiant-integrations.net adds 213ms and costs ~$3/month
- cds.connatix.com adds 207ms and costs ~$3/month
86% 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
cds.connatix.com takes 361ms 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 339ms 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
cache.consentframework.com takes 305ms 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
cds.connatix.com takes 229ms 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.confiant-integrations.net 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
56% of cdn.confiant-integrations.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
cds.connatix.com takes 207ms 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
55% of imasdk.googleapis.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
79% of scripts.opti-digital.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
53% of cds.connatix.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
75% 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