Skip to content
https://expireddomains.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
87
GRADE
B
FIX
2
REVIEW
2
PASS
11
INFO
2

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
94
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.05 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

1.67 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

284 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.039

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

1.05 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.

2.31 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
17
11 PASS 2 REVIEW 2 FIX
F
Page Weight Budget
Action
3.3 MB transferred, 27 requests
FIX
3.3 MB transferred, 27 requests
Warning::
Page weighs 3.4 MB (3.3 MB transferred)
Info::
27 HTTP requests
Info::
Estimated 0.68 g CO2 per page load
3.3 MB / 2.4 MB budget
3.3 MB transferred
27 requests
0.68 g CO2 per page load
Other 3.0 MiB 92%
Fonts 166.8 KiB 5%
Other 24.4 KiB 1%
HTML 23.4 KiB 1%
JavaScript 20.3 KiB 1%
Images 18.0 KiB 1%
Other 1.2 KiB 0%
0 2.4 MB 4.9 MB
Over budget
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store, no-cache, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store, no-cache, must-revalidate

DirectiveValueMeaning
no-store—Never cache this response
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
C
JS Execution Cost
Action
1985ms total JS execution
REVIEW
1985ms total JS execution
Warning::
https://expireddomains.com/: 703ms CPU time
Warning::
https://expireddomains.com/cdn-cgi/challenge-platf...: 696ms CPU time
Warning::
Unattributable: 524ms CPU time
Info::
https://expireddomains.com/cdn-cgi/scripts/7d0fa10...: 62ms CPU time
Info::
Third-party scripts: 524ms (26% of total)

Main Thread Breakdown

Script Evaluation 38% Other 32% Style & Layout 22% Rendering 5%
ScriptTotalScriptingParse/CompileParty
https://expireddomains.com/703ms42ms2ms1st
https://expireddomains.com/cdn-cgi/challenge-platform/scripts/jsd/main.js696ms642ms16ms1st
Unattributable524ms14ms0ms3rd
https://expireddomains.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js62ms47ms5ms1st
C
Page Weight Inventory
Action
27 resources · 3.3 MB · 0 KB savings available
REVIEW
27 resources · 3.3 MB · 0 KB savings available
Warning::
Page weight 2.3 MB over 1MB target
Got: 3.3 MB Expected: ≤ 1 MB
Info::
3 third-party resources (0% of weight)
Info::
5 resources over 200KB
27 resources · 3.3 MiB · 3 third-party 2.3 MiB over 1MB target
Media 92% · 3.0 MiB
Font 5% · 166.8 KiB
Image 1% · 41.6 KiB
Document 1% · 23.4 KiB
JavaScript 1% · 20.3 KiB
Other 0% · 2.0 KiB
A+
Third-Party Impact
0% third-party, 0 ms blocking
PASS
0% third-party, 0 ms blocking
Info::
Third-party code accounts for 0% of page weight (3.4 KiB of 3.3 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Image Optimization
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 18 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
Font Loading
3 fonts (167 KB)
PASS
3 fonts (167 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

167 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s FCP 1.1 s LCP 1.7 shttps://expireddomains.com/fonts/DMSans-SemiBold.ttfDMSans-SemiBold.ttf https://expireddomains.com/fonts/DMSans-SemiBold.ttf — 55.6 KiB — 32 ms — font-display: swaphttps://expireddomains.com/fonts/DMSans-Regular.ttfDMSans-Regular.ttf https://expireddomains.com/fonts/DMSans-Regular.ttf — 55.6 KiB — 22 ms — font-display: swaphttps://expireddomains.com/fonts/DMSans-Bold.ttfDMSans-Bold.ttf https://expireddomains.com/fonts/DMSans-Bold.ttf — 55.6 KiB — 41 ms — font-display: swap
DMSans-SemiBold.ttf ttf swap
Size 56 KB
Load time 32 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
DMSans-Regular.ttf ttf swap
Size 56 KB
Load time 22 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
DMSans-Bold.ttf ttf swap
Size 56 KB
Load time 41 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
  • 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 ~50 KB and ~100 ms

A+
JS Bundles
3 scripts, 0 KB unused
PASS
3 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://expireddomains.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js4 KB—✓1st
https://static.expireddomains.com/assets/js/opener-ff63992ed070355cc12c97bbcfae586b.js?v=17694209903 KB—✓3rd
https://expireddomains.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?13 KB—✓1st
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
27 requests over 572ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.1 s LCP 1.7 shttps://expireddomains.com// https://expireddomains.com/ — 200 — 23.4 KiB — 56 ms — h3https://expireddomains.com/cdn-cgi/speculation/cdn-cgi/speculation https://expireddomains.com/cdn-cgi/speculation — 200 — 568 B — 5 ms — h3https://expireddomains.com/images/home-toolkit2.webp/images/home-toolkit2.webp https://expireddomains.com/images/home-toolkit2.webp — 200 — 18.0 KiB — 16 ms — h3https://expireddomains.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js/cdn-cgi/scripts/7d0fa10a/cloudflar... https://expireddomains.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js — 200 — 4.3 KiB — 8 ms — h3https://expireddomains.com/logos/logos.svg/logos/logos.svg https://expireddomains.com/logos/logos.svg — 200 — 2.0 KiB — 13 ms — h3https://expireddomains.com/icons/icons8.svg/icons/icons8.svg https://expireddomains.com/icons/icons8.svg — 200 — 17.9 KiB — 13 ms — h3data:image/svg+xml,<svg width="1138" height="874" viewBox="0 0 1138 874" xmlns="http://www.w3.org/2…www.w3.org/2… data:image/svg+xml,<svg width="1138" height="874" viewBox="0 0 1138 874" xmlns="http://www.w3.org/2… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='1em' viewBox='0 0 512 512'%3E%…www.w3.org/2000/svg' height='1em' v... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='1em' viewBox='0 0 512 512'%3E%… — 200 — 0 B — 0 ms — datahttps://expireddomains.com/fonts/DMSans-SemiBold.ttf/fonts/DMSans-SemiBold.ttf https://expireddomains.com/fonts/DMSans-SemiBold.ttf — 200 — 55.6 KiB — 32 ms — h3https://expireddomains.com/fonts/DMSans-Regular.ttf/fonts/DMSans-Regular.ttf https://expireddomains.com/fonts/DMSans-Regular.ttf — 200 — 55.6 KiB — 22 ms — h3https://expireddomains.com/fonts/DMSans-Bold.ttf/fonts/DMSans-Bold.ttf https://expireddomains.com/fonts/DMSans-Bold.ttf — 200 — 55.6 KiB — 41 ms — h3https://expireddomains.com/videos/anim-1.mp4/videos/anim-1.mp4 https://expireddomains.com/videos/anim-1.mp4 — 206 — 212.2 KiB — 74 ms — h3https://expireddomains.com/videos/anim-2.mp4/videos/anim-2.mp4 https://expireddomains.com/videos/anim-2.mp4 — 206 — 1.0 MiB — 184 ms — h3https://expireddomains.com/videos/anim-3.mp4/videos/anim-3.mp4 https://expireddomains.com/videos/anim-3.mp4 — 206 — 379.5 KiB — 123 ms — h3https://expireddomains.com/videos/anim-1.mp4/videos/anim-1.mp4 https://expireddomains.com/videos/anim-1.mp4 — 206 — 143.2 KiB — 115 ms — h3https://expireddomains.com/videos/anim-2.mp4/videos/anim-2.mp4 https://expireddomains.com/videos/anim-2.mp4 — 206 — 140.9 KiB — 140 ms — h3https://expireddomains.com/videos/anim-3.mp4/videos/anim-3.mp4 https://expireddomains.com/videos/anim-3.mp4 — 206 — 212.8 KiB — 138 ms — h3https://expireddomains.com/videos/anim-1.mp4/videos/anim-1.mp4 https://expireddomains.com/videos/anim-1.mp4 — 206 — 172.6 KiB — 138 ms — h3https://expireddomains.com/videos/anim-2.mp4/videos/anim-2.mp4 https://expireddomains.com/videos/anim-2.mp4 — 206 — 109.1 KiB — 138 ms — h3https://expireddomains.com/videos/anim-4.mp4/videos/anim-4.mp4 https://expireddomains.com/videos/anim-4.mp4 — 206 — 656.4 KiB — 165 ms — h3https://static.expireddomains.com/assets/js/opener-ff63992ed070355cc12c97bbcfae586b.js?v=1769420990static.expireddomains.com/assets/js... https://static.expireddomains.com/assets/js/opener-ff63992ed070355cc12c97bbcfae586b.js?v=1769420990 — 200 — 3.4 KiB — 32 ms — h3https://expireddomains.com/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://expireddomains.com/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 223 B — 89 ms — h3https://expireddomains.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?/cdn-cgi/challenge-platform/h/g/scr... https://expireddomains.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js? — 200 — 12.6 KiB — 22 ms — h3https://expireddomains.com/videos/anim-4.mp4/videos/anim-4.mp4 https://expireddomains.com/videos/anim-4.mp4 — 206 — 16.3 KiB — 27 ms — h3https://expireddomains.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.5318469050084949:1776359656:ln3RLbZdcwVQxb75aXDKAHo1AsFFcq1l_zzfP5ot_C8/9ed4f31efff9efa3/cdn-cgi/challenge-platform/h/g/jsd... https://expireddomains.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.5318469050084949:1776359656:ln3RLbZdcwVQxb75aXDKAHo1AsFFcq1l_zzfP5ot_C8/9ed4f31efff9efa3 — 200 — 638 B — 11 ms — h3https://expireddomains.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.5318469050084949:1776359656:ln3RLbZdcwVQxb75aXDKAHo1AsFFcq1l_zzfP5ot_C8/9ed4f31efff9efa3/cdn-cgi/challenge-platform/h/g/jsd... https://expireddomains.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.5318469050084949:1776359656:ln3RLbZdcwVQxb75aXDKAHo1AsFFcq1l_zzfP5ot_C8/9ed4f31efff9efa3 — 200 — 636 B — 11 ms — h3https://expireddomains.com/images/favicon.webp/images/favicon.webp https://expireddomains.com/images/favicon.webp — 200 — 3.7 KiB — 10 ms — h3
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
26% of JavaScript execution is third-party
First-party Third-party 524ms · 0KB · $7/mo
Unattributable
Other
Costly
Execution 524ms
Transfer 0 KB
Monthly Cost $7/mo

These scripts may cost more than they're worth

  • Unattributable adds 524ms and costs ~$7/month

Unattributable takes 524ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback