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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
87
GRADE
B
FIX
1
REVIEW
5
PASS
7
INFO
2

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

97
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
74
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.
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.

769 ms

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

878 ms

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

3 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.

1.53 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.

1.15 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
15
7 PASS 5 REVIEW 1 FIX
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Third-Party Impact
41% third-party, 0 ms blocking
REVIEW
41% third-party, 0 ms blocking
Info::
Third-party code accounts for 41% of page weight (216.0 KiB of 532.0 KiB)
Info::
Third-party blocking time is low (0 ms)
59%
41%
First-party Third-party
B
Image Optimization
16 images, 0 KB saveable
REVIEW
16 images, 0 KB saveable
Warning::
//:0 is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/static/img/general/blank... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://happy-gambler.com/wp-content/webp-express/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
16 images 142 KB
0 oversized -0 KB
2 legacy format
11 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

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

B
JS Execution Cost
572ms total JS execution
REVIEW
572ms total JS execution
Info::
https://happy-gambler.com/wp-content/plugins/webp-...: 222ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-DP2N...: 112ms CPU time
Info::
https://happy-gambler.com/static/js/all.js: 97ms CPU time
Info::
Unattributable: 73ms CPU time
Info::
https://happy-gambler.com/: 69ms CPU time
Info::
Third-party scripts: 185ms (32% of total)

Main Thread Breakdown

Script Evaluation 33% Style & Layout 30% Other 21% Script Parsing & Compilation 6% Rendering 6% Parse HTML & CSS 5%
ScriptTotalScriptingParse/CompileParty
https://happy-gambler.com/wp-content/plugins/webp-express/js/lazysizes.min.js222ms25ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-DP2N35PCJQ112ms89ms22ms3rd
https://happy-gambler.com/static/js/all.js97ms64ms11ms1st
Unattributable73ms4ms0ms3rd
https://happy-gambler.com/69ms4ms1ms1st
B
JS Bundles
7 scripts, 129 KB unused
REVIEW
7 scripts, 129 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-DP2N...: 66 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://happy-gambler.com/static/js/all.js: 63 KB unused (64%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://happy-gambler.com/static/js/main.js?v=1.2: unminified — 2 KB could be saved
Info::
Total unused JavaScript: 129 KB
129 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-DP2N35PCJQ157 KB66 KB (42%)3rd
https://happy-gambler.com/static/js/all.js99 KB63 KB (64%)1st
https://happy-gambler.com/static/js/main.js?v=1.26 KB1st
https://happy-gambler.com/static/js/user.js?v=3.03 KB1st
https://happy-gambler.com/wp-content/plugins/webp-express/js/lazysizes.min.js4 KB1st
https://happy-gambler.com/static/js/defer.js1 KB1st
https://happy-gambler.com/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.22 KB1st

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

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
532 KB transferred, 36 requests
PASS
532 KB transferred, 36 requests
Info::
Page weighs 1.3 MB (532 KB transferred)
Info::
36 HTTP requests
Info::
Estimated 0.11 g CO2 per page load
532 KB / 2.4 MB budget
532 KB transferred
36 requests
0.11 g CO2 per page load
JavaScript 272.2 KiB 51%
Images 142.0 KiB 27%
Fonts 57.3 KiB 11%
CSS 40.7 KiB 8%
HTML 16.6 KiB 3%
Other 2.7 KiB 0%
Other 550 B 0%
0 2.4 MB 4.9 MB
Under budget
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+
Font Loading
5 fonts (57 KB)
PASS
5 fonts (57 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

57 KB total

Render-blocking

0

of 5

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 769 ms LCP 878 mshttps://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-extcss https://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-ext — 1.2 KiB — 49 ms — font-display: swaphttps://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCjC3jsGyNPYZvgw.woff24iCv6KVjbNBYlgoCjC3jsGy... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCjC3jsGyNPYZvgw.woff2 — 14.0 KiB — 7 ms — font-display: swaphttps://fonts.gstatic.com/s/ubuntu/v21/4iCs6KVjbNBYlgoKfw72nU6AFw.woff24iCs6KVjbNBYlgoKfw72nU6... https://fonts.gstatic.com/s/ubuntu/v21/4iCs6KVjbNBYlgoKfw72nU6AFw.woff2 — 13.8 KiB — 9 ms — font-display: swaphttps://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCxCvjsGyNPYZvgw.woff24iCv6KVjbNBYlgoCxCvjsGy... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCxCvjsGyNPYZvgw.woff2 — 14.6 KiB — 13 ms — font-display: swaphttps://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoC1CzjsGyNPYZvgw.woff24iCv6KVjbNBYlgoC1CzjsGy... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoC1CzjsGyNPYZvgw.woff2 — 13.7 KiB — 14 ms — font-display: swap
css unknown swap
Size 1 KB
Load time 49 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
4iCv6KVjbNBYlgoCjC3jsGy... woff2 swap
Size 14 KB
Load time 7 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
4iCs6KVjbNBYlgoKfw72nU6... woff2 swap
Size 14 KB
Load time 9 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
4iCv6KVjbNBYlgoCxCvjsGy... woff2 swap
Size 15 KB
Load time 13 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
4iCv6KVjbNBYlgoC1CzjsGy... woff2 swap
Size 14 KB
Load time 14 ms
Start 1.7 s
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+
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
Page Weight Inventory
36 resources · 532 KB · 129 KB savings available
PASS
36 resources · 532 KB · 129 KB savings available
Info::
Within 1MB page-weight target
Got: 532 KB
Info::
~129 KB of savings available
Warning::
13 third-party resources (41% of weight)
36 resources · 532.0 KiB · 13 third-party Within 1MB page-weight target
JavaScript 51% · 272.2 KiB
Image 27% · 144.6 KiB
Font 11% · 57.3 KiB
CSS 8% · 40.7 KiB
Document 3% · 16.6 KiB
Other 0% · 550 B

~128.8 KiB of savings available

Remove unused JavaScript: 128.8 KiB
Network Waterfall
36 requests over 2056ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 769 ms LCP 878 mshttps://happy-gambler.com// https://happy-gambler.com/ — 200 — 16.6 KiB — 1.4 s — h3https://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-extfonts.googleapis.com/css?family=Ubu... https://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-ext — 200 — 1.2 KiB — 49 ms — h2https://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-extfonts.googleapis.com/css?family=Ubu... https://fonts.googleapis.com/css?family=Ubuntu:300,400,400i,500,700&display=swap&subset=latin-ext — 200 — 803 B — 72 ms — h3https://happy-gambler.com/static/css/main.min.css/static/css/main.min.css https://happy-gambler.com/static/css/main.min.css — 200 — 37.3 KiB — 33 ms — h3https://happy-gambler.com/static/js/all.js/static/js/all.js https://happy-gambler.com/static/js/all.js — 200 — 99.2 KiB — 38 ms — h3https://happy-gambler.com/static/js/main.js?v=1.2/static/js/main.js?v=1.2 https://happy-gambler.com/static/js/main.js?v=1.2 — 200 — 5.9 KiB — 30 ms — h3https://happy-gambler.com/static/js/user.js?v=3.0/static/js/user.js?v=3.0 https://happy-gambler.com/static/js/user.js?v=3.0 — 200 — 3.2 KiB — 29 ms — h3https://happy-gambler.com/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0/wp-content/plugins/universal-banne... https://happy-gambler.com/wp-content/plugins/universal-banner-popup/resources/css/main.min.css?ver=1.0 — 200 — 1.8 KiB — 18 ms — h3https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/logo.png.webp/wp-content/webp-express/webp-image... https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/logo.png.webp — 200 — 5.1 KiB — 31 ms — h3https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-1.jpg.webp/wp-content/webp-express/webp-image... https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-1.jpg.webp — 200 — 24.2 KiB — 31 ms — h3https://happy-gambler.com/static/img/general/blank.gif/static/img/general/blank.gif https://happy-gambler.com/static/img/general/blank.gif — 200 — 532 B — 14 ms — h3https://happy-gambler.com/wp-content/plugins/webp-express/js/lazysizes.min.js/wp-content/plugins/webp-express/js... https://happy-gambler.com/wp-content/plugins/webp-express/js/lazysizes.min.js — 200 — 3.9 KiB — 17 ms — h3https://happy-gambler.com/static/js/defer.js/static/js/defer.js https://happy-gambler.com/static/js/defer.js — 200 — 807 B — 11 ms — h3https://happy-gambler.com/wp-content/plugins/wp-tt-rating-stars/static/css/rating.css?ver=5.4.2/wp-content/plugins/wp-tt-rating-st... https://happy-gambler.com/wp-content/plugins/wp-tt-rating-stars/static/css/rating.css?ver=5.4.2 — 200 — 905 B — 11 ms — h3https://www.googletagmanager.com/gtag/js?id=G-DP2N35PCJQwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-DP2N35PCJQ — 200 — 157.4 KiB — 44 ms — h2https://happy-gambler.com/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.2/wp-content/plugins/wp-tt-rating-st... https://happy-gambler.com/wp-content/plugins/wp-tt-rating-stars/static/js/rating.js?ver=5.4.2 — 200 — 1.7 KiB — 10 ms — h3data:image/svg+xml,%3C%3Fxml version='1.0' encoding='iso-8859-1'%3F%3E%3C!DOCTYPE svg PUBLIC '-//W3…data:image/svg+xml,%3C%3Fxml versio... data:image/svg+xml,%3C%3Fxml version='1.0' encoding='iso-8859-1'%3F%3E%3C!DOCTYPE svg PUBLIC '-//W3… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 612 612'%3E%3Cpath d='M61…www.w3.org/2000/svg' viewBox='0 0 6... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 612 612'%3E%3Cpath d='M61… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22'%3E%3Cpath d='M9 10…www.w3.org/2000/svg' viewBox='0 0 2... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22'%3E%3Cpath d='M9 10… — 200 — 0 B — 0 ms — datahttps://happy-gambler.com/static/img/general/rating.png/static/img/general/rating.png https://happy-gambler.com/static/img/general/rating.png — 200 — 1.6 KiB — 9 ms — h3data:image/svg+xml,%3C%3Fxml version='1.0' encoding='iso-8859-1'%3F%3E%3C!DOCTYPE svg PUBLIC '-//W3…data:image/svg+xml,%3C%3Fxml versio... data:image/svg+xml,%3C%3Fxml version='1.0' encoding='iso-8859-1'%3F%3E%3C!DOCTYPE svg PUBLIC '-//W3… — 200 — 0 B — 0 ms — datadata:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 612 612'%3E%3Cpath d='M61…www.w3.org/2000/svg' viewBox='0 0 6... data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 612 612'%3E%3Cpath d='M61… — 200 — 0 B — 0 ms — datahttps://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-2.jpg.webp/wp-content/webp-express/webp-image... https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-2.jpg.webp — 200 — 37.0 KiB — 31 ms — h3https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-3.jpg.webp/wp-content/webp-express/webp-image... https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-banner-3.jpg.webp — 200 — 30.3 KiB — 30 ms — h3https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-32red.png.webp/wp-content/webp-express/webp-image... https://happy-gambler.com/wp-content/webp-express/webp-images/uploads/2021/04/img-32red.png.webp — 200 — 2.4 KiB — 29 ms — h3https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCjC3jsGyNPYZvgw.woff2fonts.gstatic.com/s/ubuntu/v21/4iCv... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCjC3jsGyNPYZvgw.woff2 — 200 — 14.0 KiB — 7 ms — h3https://fonts.gstatic.com/s/ubuntu/v21/4iCs6KVjbNBYlgoKfw72nU6AFw.woff2fonts.gstatic.com/s/ubuntu/v21/4iCs... https://fonts.gstatic.com/s/ubuntu/v21/4iCs6KVjbNBYlgoKfw72nU6AFw.woff2 — 200 — 13.8 KiB — 9 ms — h3https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCxCvjsGyNPYZvgw.woff2fonts.gstatic.com/s/ubuntu/v21/4iCv... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoCxCvjsGyNPYZvgw.woff2 — 200 — 14.6 KiB — 13 ms — h3https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoC1CzjsGyNPYZvgw.woff2fonts.gstatic.com/s/ubuntu/v21/4iCv... https://fonts.gstatic.com/s/ubuntu/v21/4iCv6KVjbNBYlgoC1CzjsGyNPYZvgw.woff2 — 200 — 13.7 KiB — 14 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
32% of JavaScript execution is third-party
First-party Third-party 185ms · 157KB · $3/mo
Google Tag Manager
Tag Manager
Optional
Execution 112ms
Transfer 157 KB
Unused 42%
Monthly Cost $2/mo
Unattributable
Other
Optional
Execution 73ms
Transfer 0 KB
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.

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