Browse & Analyze

Browse recent website audits and performance trends

Explore technology stacks detected across the web

Side-by-side technology comparisons and market share

Curated technology stacks and the sites that use them

Editorial deep-dives on the state of web performance

Browse and download favicons from analyzed websites

Learn

Common questions about BeaverCheck scores and checks

How we calculate scores across 100+ checks

The story behind BeaverCheck and the team

Practical guides to fix common web performance issues

Migration Guides

Step-by-step guides for moving between web technologies

Definitions for performance, SEO, and web platform terms

Contrast Checker

Check WCAG color contrast ratios between any two colors

Inspect HTTP response headers for any URL

Analyze SSL/TLS certificate details and chain

Look up DNS records for any domain

Redirect Checker

Trace the full redirect chain for any URL

Real-user INP and Core Web Vitals from Google's Chrome UX Report.

RESTful API for programmatic website audits

Embed an auto-updating health score badge on your site

https://casinonsvenska.eu

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.

SCORE

89

GRADE

B

FIX

0

REVIEW

3

PASS

10

INFO

2

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

98

Performance

69

Accessibility

92

Best Practices

75

SEO

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

508 ms

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

790 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.

0.000

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

1.39 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.

791 ms

Page Load Progression

670 ms

1.3 s

2.0 s

2.7 s

3.3 s

4.0 s

4.7 s

5.4 s

Checks

15

10 PASS 3 REVIEW

C

Image Optimization

Action

26 images, 0 KB saveable

REVIEW

26 images, 0 KB saveable

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://casinonsvenska.eu/wp-content/webp-express/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQAB... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

26 images 110 KB

0 oversized -0 KB

13 legacy format

10 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

B

JS Bundles

15 scripts, 63 KB unused

REVIEW

15 scripts, 63 KB unused

https://www.googletagmanager.com/gtag/js?id=G-4D0G...: 63 KB unused (43%)

Consider code splitting or tree shaking to reduce unused code.

Total unused JavaScript: 63 KB

63 KB unused JavaScript

Downloaded but never executed on this page.

Script	Size	Unused	Minified	Party
https://www.googletagmanager.com/gtag/js?id=G-4D0GF5FH6Z	146 KB	63 KB (43%)	✓	3rd
https://casinonsvenska.eu/static/js/separate-js/jquery.fancybox-media.js?ver=4.7.3	3 KB	—	✓	1st
https://casinonsvenska.eu/static/js/main.js?ver=4.7.3	2 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/jquery.lazy.min.js?ver=4.7.3	3 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/slick.min.js?ver=4.7.3	13 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/jquery.fancybox.pack.js?ver=4.7.3	10 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/jquery-2.2.4.min.js?ver=4.7.3	34 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/user.js?ver=4.7.3	4 KB	—	✓	1st
https://casinonsvenska.eu/static/js/separate-js/bs-components.js?ver=4.7.3	5 KB	—	✓	1st
https://casinonsvenska.eu/wp-content/plugins/comment-validation/jquery.validate.pack.js?ver=4.7.3	8 KB	—	✓	1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

C

Green Hosting

Action

Whether the site is served from green-energy infrastructure

REVIEW

Green Hosting

No green hosting detected

A+

Page Weight Budget

405 KB transferred, 48 requests

PASS

405 KB transferred, 48 requests

Page weighs 1.0 MB (405 KB transferred)

48 HTTP requests

Estimated 0.08 g CO2 per page load

405 KB transferred

48 requests

0.08 g CO2 per page load

JavaScript 239.7 KiB 59%

Images 109.6 KiB 27%

CSS 33.3 KiB 8%

HTML 18.3 KiB 5%

Other 2.1 KiB 1%

Other 1.4 KiB 0%

Other 550 B 0%

0 2.4 MB 4.9 MB

Under budget

A

Third-Party Impact

37% third-party, 0 ms blocking

PASS

37% third-party, 0 ms blocking

Third-party code accounts for 37% of page weight (148.7 KiB of 404.9 KiB)

Third-party blocking time is low (0 ms)

63%

37%

First-party Third-party

A+

Text Compression

All text resources are compressed

PASS

All text resources are compressed

All text resources are compressed

All text resources are properly compressed.

A+

JS Execution Cost

499ms total JS execution

PASS

499ms total JS execution

https://casinonsvenska.eu/: 278ms CPU time

https://casinonsvenska.eu/static/js/separate-js/jq...: 93ms CPU time

Unattributable: 73ms CPU time

https://www.googletagmanager.com/gtag/js?id=G-4D0G...: 56ms CPU time

Third-party scripts: 129ms (26% of total)

Main Thread Breakdown

Other 30% Script Evaluation 25% Style & Layout 22% Rendering 18% Script Parsing & Compilation 3%

Script	Total	Scripting	Parse/Compile	Party
https://casinonsvenska.eu/	278ms	2ms	1ms	1st
https://casinonsvenska.eu/static/js/separate-js/jquery-2.2.4.min.js?ver=4.7.3	93ms	62ms	3ms	1st
Unattributable	73ms	1ms	0ms	3rd
https://www.googletagmanager.com/gtag/js?id=G-4D0GF5FH6Z	56ms	47ms	9ms	3rd

A+

Font Loading

No web fonts (system fonts)

PASS

No web fonts (system fonts)

No web fonts loaded — system fonts are fastest

No web fonts loaded — system fonts are optimal.

A+

Resource Caching

All resources properly cached

PASS

All resources properly cached

No caching issues found

All static resources have appropriate caching headers.

A+

Critical Rendering Path

No render-blocking resources

PASS

No render-blocking resources

No render-blocking resources detected

A+

Resource Hints

No optimization needed

PASS

No optimization needed

No resource hint issues

A+

Page Weight Inventory

48 resources · 405 KB · 63 KB savings available

PASS

48 resources · 405 KB · 63 KB savings available

Within 1MB page-weight target

Got: 405 KB

~63 KB of savings available

5 third-party resources (37% of weight)

48 resources · 404.9 KiB · 5 third-party Within 1MB page-weight target

JavaScript 59% · 239.7 KiB

Image 28% · 111.7 KiB

CSS 8% · 33.3 KiB

Document 5% · 18.3 KiB

Other 0% · 1.9 KiB

~63.2 KiB of savings available

Remove unused JavaScript: 63.2 KiB

#	Resource	Type	Size	Cache	Unused	3rd party	Issues

48 resources			404.9 KiB

A

HTTP Caching

max-age=3 (3 seconds)

PASS

max-age=3 (3 seconds)

Cache-Control header is set

Got: max-age=3, must-revalidate

Effective TTL: 3 seconds (max-age=3)

No ETag or Last-Modified header

Conditional requests (304 Not Modified) are not possible without validators.

Cache-Control

max-age=3, must-revalidate

Directive	Value	Meaning
max-age	3	Cache for 3 seconds
must-revalidate	—	Must recheck with server after expiry

Effective TTL: 3 seconds

Network Waterfall

48 requests over 3330ms

INFO

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 129ms · 146KB · €1/mo

Script	Category	Execution	Transfer	Unused	Monthly Cost	Verdict
Unattributable Unattributable	Other	73ms	0 KB	—	€1/mo	Optional
Google Tag Manager www.googletagmanager.com	Tag Manager	56ms	146 KB	43%	€1/mo	Optional

Unattributable

Other

Optional

Execution 73ms

Transfer 0 KB

Monthly Cost €1/mo

Google Tag Manager

Tag Manager

Optional

Execution 56ms

Transfer 146 KB

Unused 43%

Monthly Cost €1/mo

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