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.
599 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
686 ms
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.
696 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.
686 ms
Page Load Progression
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CPage Weight BudgetAction1.9 MB transferred, 44 requestsREVIEW
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
BImage Optimization19 images, 0 KB saveableREVIEW
CPage Weight InventoryAction44 resources · 1.9 MB · 0 KB savings availableREVIEW
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 44 resources | 1.9 MiB | ||||||
A+Third-Party Impact3% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+JS Execution Cost230ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://celmamagazine.com/ | 133ms | 8ms | 1ms | 1st |
| Unattributable | 96ms | 2ms | 0ms | 3rd |
A+Font Loading6 fonts (52 KB)PASS
Web fonts
6
52 KB total
Render-blocking
0
of 6
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+JS Bundles8 scripts, 0 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://celmamagazine.com/wp-includes/js/dist/hooks.min.js?ver=dd5603f07f9220ed27f1 | 2 KB | — | ✓ | 1st |
| https://celmamagazine.com/wp-includes/js/dist/i18n.min.js?ver=c26c3dc7bed366793375 | 3 KB | — | ✓ | 1st |
| https://celmamagazine.com/wp-content/plugins/contact-form-7/includes/swv/js/index.js?ver=6.1.3 | 4 KB | — | ✓ | 1st |
| https://celmamagazine.com/wp-content/plugins/contact-form-7/includes/js/index.js?ver=6.1.3 | 4 KB | — | ✓ | 1st |
| https://celmamagazine.com/wp-content/themes/generatepress/assets/js/menu.min.js?ver=3.6.0 | 2 KB | — | ✓ | 1st |
| https://celmamagazine.com/wp-content/themes/generatepress/assets/dist/modal.js?ver=3.6.0 | 2 KB | — | ✓ | 1st |
| blob:https://celmamagazine.com/92fa7f2f-352a-47aa-969c-77fc93c25554 | -0 KB | — | ✓ | 3rd |
| https://celmamagazine.com/wp-includes/js/wp-emoji-release.min.js?ver=6.9.1 | 5 KB | — | ✓ | 1st |
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 Waterfall44 requests over 2196msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 96ms | 0 KB | — | $1/mo | Optional |
42% of JavaScript execution time comes from third-party scripts.
Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.
Learn more ▾ ▴
Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.
Source: web.dev / HTTP Archive Web Almanac