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https://caesars.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
88
GRADE
B
FIX
3
REVIEW
1
PASS
11
INFO
2

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

Mobile Desktop
0
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
45
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
45
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.

0 ms

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

0 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.

0 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.

0 ms

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 1 REVIEW 3 FIX
D
Third-Party Impact
Action
72% third-party, 0 ms blocking
FIX
72% third-party, 0 ms blocking
Warning::
Third-party code accounts for 72% of page weight (634.0 KiB of 884.9 KiB)
Info::
Third-party blocking time is low (0 ms)
28%
72%
First-party Third-party
F
JS Execution Cost
Action
3698ms total JS execution
FIX
3698ms total JS execution
Warning::
https://caesars.com/king-by-and-call-togeth-tron-e...: 3124ms CPU time
Warning::
Unattributable: 328ms CPU time
Info::
https://js.hcaptcha.com/1/api.js: 246ms CPU time
Info::
Third-party scripts: 574ms (16% of total)

Main Thread Breakdown

Script Evaluation 88% Other 4%
ScriptTotalScriptingParse/CompileParty
https://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large-3124ms2966ms65ms1st
Unattributable328ms197ms0ms3rd
https://js.hcaptcha.com/1/api.js246ms113ms23ms3rd
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-cache, no-store
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, no-store

DirectiveValueMeaning
no-cache—Cache but always revalidate first
no-store—Never cache this response
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A
Page Weight Budget
885 KB transferred, 19 requests
PASS
885 KB transferred, 19 requests
Info::
Page weighs 3.2 MB (885 KB transferred)
Warning::
JavaScript is 705 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 705 KB
Info::
19 HTTP requests
Info::
Estimated 0.18 g CO2 per page load
885 KB / 2.4 MB budget
885 KB transferred
19 requests
0.18 g CO2 per page load
JavaScript 704.8 KiB 80%
HTML 173.5 KiB 20%
Other 4.8 KiB 1%
Other 1.1 KiB 0%
Other 748 B 0%
Images 0 B 0%
0 2.4 MB 4.9 MB
Under budget

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

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 0 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large-241 KB—✓1st
https://js.hcaptcha.com/1/api.js86 KB—✓3rd
https://newassets.hcaptcha.com/c/d48c491644d555edb0e283c66c2698dbaec44c9f1c02167e386f51f75a8d27bb/hsw.js378 KB—✓3rd
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
19 resources · 885 KB · 0 KB savings available
PASS
19 resources · 885 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 885 KB
Warning::
13 third-party resources (72% of weight)
Info::
2 resources over 200KB
19 resources · 884.9 KiB · 13 third-party Within 1MB page-weight target
JavaScript 80% · 704.8 KiB
Document 20% · 174.2 KiB
Image 0% · 4.0 KiB
Other 0% · 1.9 KiB
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
Network Waterfall
19 requests over 2376ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 shttps://caesars.com// https://caesars.com/ — 302 — 342 B — 297 ms — h2https://caesars.com// https://caesars.com/ — 200 — 1016 B — 126 ms — h2https://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large-/king-by-and-call-togeth-tron-ete-S... https://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large- — 200 — 241.0 KiB — 479 ms — h2https://caesars.com/_Incapsula_Resource?SWUDNSAI=31&xinfo=16-30944441-0%20NNNY%20RT%281776814684018%20201%29%20q%280%20-1%20-1%200%29%20r%280%20-1%29%20B12%2814%2c0%2c0%29%20U5&incident_id=186000620068072060-162814079830462352&edet=12&cinfo=0e000000b61f&rpinfo=0&cts=3H3bduYV4XPBihlTUgMd6S4YzR2ZB%2b2dzPEaOGVCWMgCM%2fbWd12dMfknfdrtRi9z&cip=141.227.188.123&mth=GET/_Incapsula_Resource?SWUDNSAI=31&xi... https://caesars.com/_Incapsula_Resource?SWUDNSAI=31&xinfo=16-30944441-0%20NNNY%20RT%281776814684018%20201%29%20q%280%20-1%20-1%200%29%20r%280%20-1%29%20B12%2814%2c0%2c0%29%20U5&incident_id=186000620068072060-162814079830462352&edet=12&cinfo=0e000000b61f&rpinfo=0&cts=3H3bduYV4XPBihlTUgMd6S4YzR2ZB%2b2dzPEaOGVCWMgCM%2fbWd12dMfknfdrtRi9z&cip=141.227.188.123&mth=GET — 200 — 7.6 KiB — 288 ms — h2https://js.hcaptcha.com/1/api.jsjs.hcaptcha.com/1/api.js https://js.hcaptcha.com/1/api.js — 200 — 85.8 KiB — 132 ms — h3data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGUAAAAeCAYAAAA1mdDNAAAAAXNSR0IArs4c6QAACh5JREFUaAXtW…data:image/png;base64,iVBORw0KGgoAA... data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGUAAAAeCAYAAAA1mdDNAAAAAXNSR0IArs4c6QAACh5JREFUaAXtW… — 200 — 0 B — 0 ms — datahttps://newassets.hcaptcha.com/captcha/v1/7d7b8b396198c8eb285d18bbc376e49a41bb440a/static/hcaptcha.htmlnewassets.hcaptcha.com/captcha/v1/7... https://newassets.hcaptcha.com/captcha/v1/7d7b8b396198c8eb285d18bbc376e49a41bb440a/static/hcaptcha.html — 200 — 164.9 KiB — 151 ms — h3https://newassets.hcaptcha.com/captcha/v1/7d7b8b396198c8eb285d18bbc376e49a41bb440a/static/hcaptcha.htmlnewassets.hcaptcha.com/captcha/v1/7... https://newassets.hcaptcha.com/captcha/v1/7d7b8b396198c8eb285d18bbc376e49a41bb440a/static/hcaptcha.html — 200 — 0 B — 147 ms — h3https://95a22e8b9cde.w.hcaptcha.com/logo.png95a22e8b9cde.w.hcaptcha.com/logo.pn... https://95a22e8b9cde.w.hcaptcha.com/logo.png — 200 — 2.0 KiB — 93 ms — http/1.1data:image/gif;base64,R0lGODlhyADIAPQZAPb29vX19e3t7fT09Orq6vLy8u7u7vv7++np6ezs7Ovr6+jo6O/v7/r6+vj4+…data:image/gif;base64,R0lGODlhyADIA... data:image/gif;base64,R0lGODlhyADIAPQZAPb29vX19e3t7fT09Orq6vLy8u7u7vv7++np6ezs7Ovr6+jo6O/v7/r6+vj4+… — 200 — 0 B — 0 ms — datahttps://api.hcaptcha.com/checksiteconfig?v=7d7b8b396198c8eb285d18bbc376e49a41bb440a&host=caesars.com&sitekey=dd6e16a7-972e-47d2-93d0-96642fb6d8de&sc=1&swa=1&spst=1api.hcaptcha.com/checksiteconfig?v=... https://api.hcaptcha.com/checksiteconfig?v=7d7b8b396198c8eb285d18bbc376e49a41bb440a&host=caesars.com&sitekey=dd6e16a7-972e-47d2-93d0-96642fb6d8de&sc=1&swa=1&spst=1 — 200 — 1.1 KiB — 83 ms — h3data:image/gif;base64,R0lGODlhyADIAPQZAPb29vX19e3t7fT09Orq6vLy8u7u7vv7++np6ezs7Ovr6+jo6O/v7/r6+vj4+…data:image/gif;base64,R0lGODlhyADIA... data:image/gif;base64,R0lGODlhyADIAPQZAPb29vX19e3t7fT09Orq6vLy8u7u7vv7++np6ezs7Ovr6+jo6O/v7/r6+vj4+… — 200 — 0 B — 1 ms — datahttps://59da611db66d.w.hcaptcha.com/logo.png59da611db66d.w.hcaptcha.com/logo.pn... https://59da611db66d.w.hcaptcha.com/logo.png — 200 — 2.0 KiB — 93 ms — http/1.1data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAABmJLR0QA/wD/AP+gvaeTAAAC00lEQ…data:image/png;base64,iVBORw0KGgoAA... data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAABmJLR0QA/wD/AP+gvaeTAAAC00lEQ… — 200 — 0 B — 0 ms — datahttps://newassets.hcaptcha.com/c/d48c491644d555edb0e283c66c2698dbaec44c9f1c02167e386f51f75a8d27bb/hsw.jsnewassets.hcaptcha.com/c/d48c491644... https://newassets.hcaptcha.com/c/d48c491644d555edb0e283c66c2698dbaec44c9f1c02167e386f51f75a8d27bb/hsw.js — 200 — 378.0 KiB — 61 ms — h3https://caesars.com/favicon.ico/favicon.ico https://caesars.com/favicon.ico — 301 — 180 B — 205 ms — h2https://www.caesars.com/favicon.icowww.caesars.com/favicon.ico https://www.caesars.com/favicon.ico — 302 — 226 B — 16 ms — h2https://www.caesars.com/favicon.icowww.caesars.com/favicon.ico https://www.caesars.com/favicon.ico — -1 — 0 B — 828 ms — https://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large-?d=caesars.com/king-by-and-call-togeth-tron-ete-S... https://caesars.com/king-by-and-call-togeth-tron-ete-Sey-Hand-large-?d=caesars.com — 200 — 841 B — 250 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
16% of JavaScript execution is third-party
First-party Third-party 574ms · 86KB · $8/mo
Unattributable
Other
Costly
Execution 328ms
Transfer 0 KB
Monthly Cost $4/mo
js.hcaptcha.com
Other
Costly
Execution 246ms
Transfer 86 KB
Monthly Cost $3/mo

These scripts may cost more than they're worth

  • Unattributable adds 328ms and costs ~$4/month
  • js.hcaptcha.com adds 246ms and costs ~$3/month

Unattributable takes 328ms 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

js.hcaptcha.com takes 246ms 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.

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