Performance
· 22 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.
778 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.01 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.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.59 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.
2.01 s
Page Load Progression
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BPage Weight Budget1.4 MB transferred, 28 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
BJS Bundles6 scripts, 141 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://sureflo.in/wp-content/uploads/fusion-scripts/c6c41df8ee14ec1b708f6439ae7ca799.min.js?ver=3.15.2 | 186 KB | 141 KB (76%) | ✓ | 1st |
| https://sureflo.in/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 30 KB | — | ✓ | 1st |
| https://sureflo.in/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 | 5 KB | — | ✓ | 1st |
| https://sureflo.in/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js | 1 KB | — | ✓ | 1st |
| blob:https://sureflo.in/466b8cbd-03a3-487d-83ce-b097838cc269 | -0 KB | — | ✓ | 3rd |
| https://sureflo.in/wp-includes/js/wp-emoji-release.min.js?ver=7.0.4 | 5 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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction28 resources · 1.4 MB · 141 KB savings availableREVIEW
~140.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 28 resources | 1.4 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact12% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization6 images, 0 KB saveablePASS
A+JS Execution Cost406ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://sureflo.in/ | 146ms | 5ms | 1ms | 1st |
| https://sureflo.in/wp-content/uploads/fusion-scripts/c6c41df8ee14ec1b708f6439ae7ca799.min.js?ver=3.15.2 | 123ms | 52ms | 16ms | 1st |
| https://sureflo.in/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 72ms | 44ms | 2ms | 1st |
| Unattributable | 64ms | 1ms | 0ms | 1st |
A+Font Loading12 fonts (373 KB)PASS
Web fonts
12
373 KB total
Render-blocking
0
of 12
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- 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 ~10 KB and ~20 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+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
Network Waterfall28 requests over 2438msINFO
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-07-20 — 2026-08-16)
LCP (p75)
5642 ms
45% good
INP (p75)
85 ms
97% good
CLS (p75)
0.980
41% good
FCP (p75)
3648 ms
TTFB (p75)
3542 ms
Image Optimization6 images, 16 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
6
Total Size
16 KB