Performance
· 24 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.
541 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.57 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
0 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.136
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
976 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
1.57 s
Page Load Progression
CPage Weight BudgetAction1.9 MB transferred, 79 requestsREVIEW
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
CImage OptimizationAction21 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.
Performance issues directly impact user engagement and conversion rates.
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
BJS Bundles21 scripts, 127 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.109.0/core-it.js | 113 KB | 57 KB (50%) | ✓ | 3rd |
| https://aipass.org/wp-content/plugins/sassy-social-share/public/js/sassy-social-share-public.js?ver=3.3.79 | 46 KB | 44 KB (95%) | ✓ | 1st |
| https://aipass.org/wp-content/themes/biscuitway/public/js/vendor.js?ver=6.1.15 | 49 KB | 26 KB (53%) | ✓ | 1st |
| https://aipass.org/wp-content/plugins/dimp-manager/js/dimp-script.js?ver=20260605.1 | 3 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/themes/biscuitway/public/js/app.js?ver=6.1.15 | 21 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/plugins/sitepress-multilingual-cms/res/js/cookies/language-cookie.js?ver=520000 | 0 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/plugins/contact-form-7/includes/swv/js/index.js?ver=5.7.7 | 3 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/plugins/contact-form-7/includes/js/index.js?ver=5.7.7 | 4 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/plugins/contact-form-7-honeypot/legacy-honeypot/includes/js/honeypot-refill.js?ver=3.7.0 | 1 KB | — | ✓ | 1st |
| https://aipass.org/wp-content/plugins/easy-social-icons/js/cnss.js?ver=4.0.3 | 0 KB | — | ✓ | 1st |
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
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction79 resources · 1.9 MB · 127 KB savings availableREVIEW
~126.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 79 resources | 1.9 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachingno-cacheREVIEW
no-cache
| Directive | Value | Meaning |
|---|---|---|
| no-cache | — | Cache but always revalidate first |
A+Third-Party Impact6% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+JS Execution Cost422ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://aipass.org/ | 187ms | 5ms | 2ms | 1st |
| Unattributable | 106ms | 2ms | 0ms | 1st |
| https://aipass.org/wp-content/themes/biscuitway/public/js/app.js?ver=6.1.15 | 72ms | 49ms | 2ms | 1st |
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.109.0/core-it.js | 57ms | 43ms | 10ms | 3rd |
A+Font Loading6 fonts (835 KB)PASS
Web fonts
6
835 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- 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 ~631 KB and ~1262 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-cache -- safe revalidate-on-request policyPASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall79 requests over 1456msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Iubenda cdn.iubenda.com | Consent | 57ms | 113 KB | 50% | €1/mo | Essential |
50% of Iubenda'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
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-10-15 — 2026-11-11)
LCP (p75)
1943 ms
93% good
INP (p75)
33 ms
100% good
CLS (p75)
0.120
50% good
FCP (p75)
1703 ms
TTFB (p75)
1613 ms
Image Optimization29 images, 49 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
29
Total Size
49 KB