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.
788 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.79 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
2 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.002
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
814 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.
2.84 s
Page Load Progression
FPage Weight BudgetAction2.6 MB transferred, 97 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
DThird-Party ImpactAction71% third-party, 0 ms blockingFIX
FJS BundlesAction43 scripts, 706 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://static.fundraiseup.com/checkout.621abe447e62aa70.js | 411 KB | 366 KB (89%) | ✓ | 3rd |
| https://static.fundraiseup.com/checkout-sentry-vendor.dda4c7629502a974.js | 112 KB | 112 KB (100%) | ✓ | 3rd |
| https://static.fundraiseup.com/checkout-vendors.78ab7844d94042df.js | 105 KB | 87 KB (83%) | ✓ | 3rd |
| https://prospect.org/wp-content/plugins/newspack-plugin/dist/commons.js?ver=6.37.0 | 77 KB | 75 KB (97%) | ✓ | 1st |
| https://static.fundraiseup.com/checkout-styles.fab72e48733dfd10.js | 23 KB | 22 KB (100%) | ✓ | 3rd |
| https://c0.wp.com/c/6.9.4/wp-includes/js/jquery/jquery.min.js | 31 KB | 22 KB (72%) | ✓ | 3rd |
| https://cdn.fundraiseup.com/widget/AEZPPRRH | 65 KB | 22 KB (34%) | ✓ | 3rd |
| https://cdn.parsely.com/keys/prospect.org/p.js?ver=3.23.1 | 19 KB | — | ✓ | 3rd |
| https://prospect.org/wp-content/plugins/newspack-plugin/dist/account-frontend.js?ver=6.37.0 | 1 KB | — | ✓ | 1st |
| https://s0.wp.com/wp-content/js/bilmur.min.js?m=202617 | 6 KB | — | ✓ | 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 InventoryAction97 resources · 2.6 MB · 706 KB savings availableFIX
~705.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 97 resources | 2.6 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
AImage Optimization22 images, 0 KB saveablePASS
A+JS Execution Cost400ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://prospect.org/ | 250ms | 7ms | 5ms | 1st |
| Unattributable | 95ms | 2ms | 0ms | 3rd |
| https://static.fundraiseup.com/checkout-vendors.78ab7844d94042df.js | 55ms | 49ms | 6ms | 3rd |
A+Font Loading9 fonts (630 KB)PASS
Web fonts
9
630 KB total
Render-blocking
0
of 9
Dominant font-display
swap
Most common across fonts
Font loading timeline
- 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 ~169 KB and ~338 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP Cachingmax-age=308 (5 minutes)PASS
max-age=308, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| max-age | 308 | Cache for 5 minutes |
| must-revalidate | — | Must recheck with server after expiry |
Network Waterfall97 requests over 1153msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 95ms | 0 KB | — | $1/mo | Optional |
static.fundraiseup.com static.fundraiseup.com | Other | 55ms | 105 KB | 83% | $0/mo | Optional |
83% of static.fundraiseup.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