Performance
· 25 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.
5.64 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
9.57 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
30 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.
5.87 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.
9.61 s
Page Load Progression
BPage Weight Budget1.4 MB transferred, 81 requestsREVIEW
CImage OptimizationAction23 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
BJS Execution Cost953ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://rotarydrobeta.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 357ms | 198ms | 6ms | 1st |
| Unattributable | 266ms | 5ms | 0ms | 1st |
| https://rotarydrobeta.org/wp-content/themes/zerif-lite/js/parallax.js?ver=v1 | 160ms | 3ms | 1ms | 1st |
| https://rotarydrobeta.org/ | 118ms | 12ms | 7ms | 1st |
| https://rotarydrobeta.org/wp-content/plugins/events-manager/includes/js/events-manager.js?ver=7.4.0.1 | 52ms | 17ms | 34ms | 1st |
BJS Bundles32 scripts, 102 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://rotarydrobeta.org/wp-content/plugins/events-manager/includes/js/events-manager.js?ver=7.4.0.1 | 112 KB | 102 KB (91%) | ✗ | 1st |
| https://rotarydrobeta.org/wp-includes/js/dist/hooks.min.js?ver=7496969728ca0f95732d | 2 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/dist/i18n.min.js?ver=781d11515ad3d91786ec | 2 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/mouse.min.js?ver=1.13.3 | 1 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/sortable.min.js?ver=1.13.3 | 6 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/datepicker.min.js?ver=1.13.3 | 10 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/resizable.min.js?ver=1.13.3 | 5 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/draggable.min.js?ver=1.13.3 | 5 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/controlgroup.min.js?ver=1.13.3 | 1 KB | — | ✓ | 1st |
| https://rotarydrobeta.org/wp-includes/js/jquery/ui/checkboxradio.min.js?ver=1.13.3 | 1 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
BCompression AlgorithmMain response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction81 resources · 1.4 MB · 102 KB savings availableREVIEW
~102.2 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 81 resources | 1.4 MiB | ||||||
BJavaScript Blocking1 JS blocking issue(s) detectedREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact7% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading8 fonts (154 KB)PASS
Web fonts
8
154 KB total
Render-blocking
0
of 8
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 ~13 KB and ~26 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints1 hints, 0 missing preconnectsPASS
Current Resource Hints
1 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML max-age=3 (≤ 5min) is appropriatePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
AHTTP Cachingmax-age=3 (3 seconds)PASS
max-age=3, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| max-age | 3 | Cache for 3 seconds |
| must-revalidate | — | Must recheck with server after expiry |
Network Waterfall81 requests over 915msINFO
Image Optimization22 images, 371 KB total, 215 KB wastedINFO
Image Optimization Audit
Total Images
22
Total Size
371 KB
Oversized
5
Wasted
215 KB