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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
98
GRADE
A+
FIX
0
REVIEW
0
PASS
15
INFO
2

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

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

1.00 s

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

2.73 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.

0.000

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

1.00 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.

2.73 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
15 PASS
A+
Page Weight Budget
240 KB transferred, 22 requests
PASS
240 KB transferred, 22 requests
Info::
Page weighs 436 KB (240 KB transferred)
Info::
22 HTTP requests
Info::
Estimated 0.05 g CO2 per page load
240 KB / 2.4 MB budget
240 KB transferred
22 requests
0.05 g CO2 per page load
Images 88.4 KiB 37%
Fonts 75.1 KiB 31%
JavaScript 42.0 KiB 17%
HTML 25.5 KiB 11%
CSS 7.0 KiB 3%
Other 1.4 KiB 1%
Other 460 B 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
22% third-party, 0 ms blocking
PASS
22% third-party, 0 ms blocking
Info::
Third-party code accounts for 22% of page weight (51.9 KiB of 239.9 KiB)
Info::
Third-party blocking time is low (0 ms)
78%
22%
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
5 images, 0 KB saveable
PASS
5 images, 0 KB saveable
Info::
All images are well-optimized
5 images 88 KB
0 oversized -0 KB
1 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
339ms total JS execution
PASS
339ms total JS execution
Info::
https://andersnoren.se/: 188ms CPU time
Info::
Unattributable: 152ms CPU time
Info::
Third-party scripts: 152ms (45% of total)

Main Thread Breakdown

Other 31% Script Evaluation 30% Style & Layout 25% Parse HTML & CSS 7% Rendering 4% Script Parsing & Compilation 3%
ScriptTotalScriptingParse/CompileParty
https://andersnoren.se/188ms9ms5ms1st
Unattributable152ms43ms0ms3rd
A+
Font Loading
2 fonts (75 KB)
PASS
2 fonts (75 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

75 KB total

Render-blocking

0

of 2

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 2.0 s 2.5 s FCP 1.0 s LCP 2.7 shttps://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-buch.woff2soehne-web-buch.woff2 https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-buch.woff2 — 39.6 KiB — 35 ms — font-display: swaphttps://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-kraftig.woff2soehne-web-kraftig.woff2 https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-kraftig.woff2 — 35.5 KiB — 35 ms — font-display: swap
soehne-web-buch.woff2 woff2 swap
Size 40 KB
Load time 35 ms
Start 125 ms
Risk FOUT — text flashes from fallback to web font
soehne-web-kraftig.woff2 woff2 swap
Size 35 KB
Load time 35 ms
Start 125 ms
Risk FOUT — text flashes from fallback to web font
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 Bundles
8 scripts, 0 KB unused
PASS
8 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://andersnoren.se/wp-includes/js/dist/script-modules/interactivity/index.min.js?ver=66c613f68580994bb00a16 KB—✓1st
https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/js/dark-mode.js?ver=1.1.01 KB—✓1st
https://s0.wp.com/wp-content/js/bilmur.min.js?m=2026176 KB—✓3rd
https://andersnoren.se/wp-includes/js/dist/script-modules/block-library/navigation/view.min.js?ver=b0f909c3ec791c3832102 KB—✓1st
https://stats.wp.com/e-202617.js2 KB—✓3rd
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB—✓3rd
blob:https://andersnoren.se/8fd23b16-bdb4-45f2-81d8-4049a2188eef-0 KB—✓3rd
https://andersnoren.se/wp-includes/js/wp-emoji-release.min.js?ver=6.9.46 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
2 hints, 0 missing preconnects
PASS
2 hints, 0 missing preconnects
Info::
Page uses 2 resource hint(s)

Current Resource Hints

preconnect
1
preload
—
dns-prefetch
1
prefetch
—

2 resource hints configured

A+
Page Weight Inventory
22 resources · 240 KB · 0 KB savings available
PASS
22 resources · 240 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 240 KB
Info::
11 third-party resources (22% of weight)
22 resources · 239.9 KiB · 11 third-party Within 1MB page-weight target
Image 37% · 89.9 KiB
Font 31% · 75.1 KiB
JavaScript 17% · 42.0 KiB
Document 11% · 25.5 KiB
CSS 3% · 7.0 KiB
Other 0% · 460 B
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

A+
HTTP Caching
max-age=140 (2 minutes)
PASS
max-age=140 (2 minutes)
Info::
Cache-Control header is set
Got: max-age=140, must-revalidate
Info::
Effective TTL: 2 minutes (max-age=140)
Info::
Last-Modified header present
Cache-Control

max-age=140, must-revalidate

DirectiveValueMeaning
max-age140Cache for 2 minutes
must-revalidate—Must recheck with server after expiry
Effective TTL: 140 seconds
Network Waterfall
22 requests over 252ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 1.0 s LCP 2.7 shttps://andersnoren.se// https://andersnoren.se/ — 200 — 25.5 KiB — 84 ms — h2https://andersnoren.se/wp-includes/js/dist/script-modules/interactivity/index.min.js?ver=66c613f68580994bb00a/wp-includes/js/dist/script-modules... https://andersnoren.se/wp-includes/js/dist/script-modules/interactivity/index.min.js?ver=66c613f68580994bb00a — 200 — 15.6 KiB — 34 ms — h2https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/images/anders-noren-2.webp/wp-content/themes/andersnoren-se-o... https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/images/anders-noren-2.webp — 200 — 55.9 KiB — 31 ms — h2https://i0.wp.com/andersnoren.se/wp-content/uploads/2025/09/white-ribbon-planning-featured-2.jpg?resize=768%2C576&quality=80&ssl=1i0.wp.com/andersnoren.se/wp-content... https://i0.wp.com/andersnoren.se/wp-content/uploads/2025/09/white-ribbon-planning-featured-2.jpg?resize=768%2C576&quality=80&ssl=1 — 200 — 32.3 KiB — 27 ms — h2https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/js/dark-mode.js?ver=1.1.0/wp-content/themes/andersnoren-se-o... https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/js/dark-mode.js?ver=1.1.0 — 200 — 1.2 KiB — 32 ms — h2https://s0.wp.com/wp-content/js/bilmur.min.js?m=202617s0.wp.com/wp-content/js/bilmur.min.... https://s0.wp.com/wp-content/js/bilmur.min.js?m=202617 — 200 — 5.5 KiB — 32 ms — h2https://andersnoren.se/wp-includes/js/dist/script-modules/block-library/navigation/view.min.js?ver=b0f909c3ec791c383210/wp-includes/js/dist/script-modules... https://andersnoren.se/wp-includes/js/dist/script-modules/block-library/navigation/view.min.js?ver=b0f909c3ec791c383210 — 200 — 1.5 KiB — 41 ms — h2https://stats.wp.com/e-202617.jsstats.wp.com/e-202617.js https://stats.wp.com/e-202617.js — 200 — 1.7 KiB — 19 ms — h2https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 96 ms — h2https://andersnoren.se/wp-includes/blocks/navigation/style.min.css?ver=6.9.4/wp-includes/blocks/navigation/styl... https://andersnoren.se/wp-includes/blocks/navigation/style.min.css?ver=6.9.4 — 200 — 2.7 KiB — 37 ms — h2https://andersnoren.se/wp-content/themes/andersnoren-se-outset/style.css?ver=1.1.0/wp-content/themes/andersnoren-se-o... https://andersnoren.se/wp-content/themes/andersnoren-se-outset/style.css?ver=1.1.0 — 200 — 4.3 KiB — 38 ms — h2data:image/svg+xml,%3Csvg width='52' height='24' viewBox='0 0 52 24' fill='none' xmlns='http://www.…www.… data:image/svg+xml,%3Csvg width='52' height='24' viewBox='0 0 52 24' fill='none' xmlns='http://www.… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.…www.… data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.…www.… data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.…www.… data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.… — 200 — 0 B — 0 ms — datahttps://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-buch.woff2/wp-content/themes/andersnoren-se-o... https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-buch.woff2 — 200 — 39.6 KiB — 35 ms — h3https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-kraftig.woff2/wp-content/themes/andersnoren-se-o... https://andersnoren.se/wp-content/themes/andersnoren-se-outset/assets/fonts/soehne-web-kraftig.woff2 — 200 — 35.5 KiB — 35 ms — h3https://pixel.wp.com/g.gif?v=ext&blog=230796565&post=1583&tz=2&srv=andersnoren.se&hp=atomic&ac=2&amp=0&j=1%3A15.8-a.5&host=andersnoren.se&ref=&fcp=144&rand=0.2687039300267724pixel.wp.com/g.gif?v=ext&blog=23079... https://pixel.wp.com/g.gif?v=ext&blog=230796565&post=1583&tz=2&srv=andersnoren.se&hp=atomic&ac=2&amp=0&j=1%3A15.8-a.5&host=andersnoren.se&ref=&fcp=144&rand=0.2687039300267724 — 200 — 177 B — 20 ms — h2blob:https://andersnoren.se/8fd23b16-bdb4-45f2-81d8-4049a2188eefandersnoren.se/8fd23b16-bdb4-45f2-8... blob:https://andersnoren.se/8fd23b16-bdb4-45f2-81d8-4049a2188eef — 200 — -1 B — 35 ms — blobhttps://andersnoren.se/wp-includes/js/wp-emoji-release.min.js?ver=6.9.4/wp-includes/js/wp-emoji-release.mi... https://andersnoren.se/wp-includes/js/wp-emoji-release.min.js?ver=6.9.4 — 200 — 5.8 KiB — 27 ms — h3https://andersnoren.se/cdn-cgi/rum?/cdn-cgi/rum? https://andersnoren.se/cdn-cgi/rum? — 204 — 460 B — 20 ms — h3https://i0.wp.com/andersnoren.se/wp-content/uploads/2024/05/cropped-favicon-1.png?fit=32%2C32&quality=80&ssl=1i0.wp.com/andersnoren.se/wp-content... https://i0.wp.com/andersnoren.se/wp-content/uploads/2024/05/cropped-favicon-1.png?fit=32%2C32&quality=80&ssl=1 — 200 — 1.4 KiB — 3 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
45% of JavaScript execution is third-party
First-party Third-party 152ms · 0KB · kr16/mo
Unattributable
Other
Optional
Execution 152ms
Transfer 0 KB
Monthly Cost kr16/mo

45% of JavaScript execution time comes from third-party scripts.

Why this matters

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

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.

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