Lighthouse Mobile
· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.Detailed Report
Audit breakdown by category with detailed findings.
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.flex > div.flex > div.relative > img.absolute div.flex > div.flex > div.relative > img.absolute | games.casino.org/assets/66f5ca411ad743e96f6f9edf08e98d5c?encode=webp | 1.3 MiB | 1.3 MiB |
Penny Roulette div.md:gap-section-lg > div.relative > div.relative > img.w-full | /assets/a126e5f88da8c53dbbcec3332ca07d2c?resize=1024,768&... | 80.8 KiB | 77.0 KiB |
Mega Fire Blaze: Roulette div.md:gap-section-lg > div.relative > div.relative > img.w-full | /assets/a92e5e685eaefd5bcd1ddccf1212f962?resize=1024,768&... | 77.4 KiB | 73.7 KiB |
Michael Owen Photo div.md:max-w-md > div.p-2-5 > div.flex > div.w-full | www.casino.org/images/media-banner/media-banner-mobile-bg.avif | 94.1 KiB | 52.7 KiB |
Jelly Express div.md:gap-section-lg > div.relative > div.relative > img.w-full | /assets/85d92d240ab51e87a319000d7f4a85bb?resize=1024,768&... | 52.4 KiB | 49.9 KiB |
Iron Bank 2 div.md:gap-section-lg > div.relative > div.relative > img.w-full | /assets/54bf9676c1c3265c1c5e1f0b70af166d?resize=1024,768&... | 47.8 KiB | 45.5 KiB |
Jelly Express div.relative > div.flex > div.flex > img.h-[132px] | /_next/image/?url=https%3A%2F%2Fgames.casino.org%2Fassets... | 45.8 KiB | 43.0 KiB |
Beast Gains div.md:gap-section-lg > div.relative > div.relative > img.w-full | /assets/9d61eaa94c6971c663391f3db061bb35?resize=1024,768&... | 36.6 KiB | 34.9 KiB |
Jelly Express - Special div.flex > div.relative > div.flex > img.max-h-[64px] | games.casino.org/assets/97c6e13170dfaa9617c2e418d4b23b2e?encode=webp | 29.1 KiB | 28.6 KiB |
Michael Owen Photo div.flex > div.w-full > div.!h-full > img.w-full | /ctf-img/vpd5gtrb1dbp/1oMggnGnVs7RfiEWwMz0yO/b85778f8c054... | 31.1 KiB | 26.4 KiB |
PlayUZU Casino div.tl-partner-logo-wrapper > div.tl-partner-logo-container > div.relative > img.max-h-full | /partner-images/R7w/ZDwrD2qEwHChPsb0AMWPxCF-nusQr0tmjeRUN... | 16.8 KiB | 16.4 KiB |
Casino777 div.tl-partner-logo-wrapper > div.tl-partner-logo-container > div.relative > img.max-h-full | /partner-images/EUu/VYJl3-KrUTAt4ZleIBlq0Z7sidZ7ZQU3GpYPn... | 16.1 KiB | 14.8 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| casino.org/ | 805 ms |
| www.casino.org/ | 0.0 ms |
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Diagnostics
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.casino.org/assets/app/_next/static/css/b2a3297b4b7dff90.css | 42.3 KiB | 36.1 KiB |
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
Performance issues directly impact user engagement and conversion rates.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| www.casino.org/ | 1.7 s | 94 ms | 84 ms |
| www.casino.org/assets/app/_next/static/chunks/890-4c9bef17ac917abc.js | 1.2 s | 1.0 s | 51 ms |
| Unattributable | 679 ms | 75 ms | 0.0 ms |
| script.hotjar.com/modules.6a0f3932cb1341a35c18.js | 389 ms | 347 ms | 23 ms |
| www.casino.org/cdn-cgi/challenge-platform/scripts/jsd/main.js | 359 ms | 325 ms | 5.3 ms |
| /assets/app/_next/static/chunks/app/[[...slug]]/page-b943... | 299 ms | 258 ms | 39 ms |
| /signals/config/1382453083617465?v=2.9.303&r=stable&domai... | 282 ms | 238 ms | 44 ms |
| www.casino.org/custom-data.js | 239 ms | 202 ms | 30 ms |
| connect.facebook.net/en_US/fbevents.js | 135 ms | 102 ms | 31 ms |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 2.9 s |
| Other | 1.2 s |
| Style & Layout | 647 ms |
| Script Parsing & Compilation | 429 ms |
| Rendering | 280 ms |
| Parse HTML & CSS | 92 ms |
| Garbage Collection | 77 ms |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| Pages with cache-control:no-store header cannot enter back/forward cache. | Actionable |
| Pages with WebSocket cannot enter back/forward cache. | Pending browser support |
| Pages whose main resource has cache-control:no-store cannot enter back/forward cache. | Not actionable |
| Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header. | Not actionable |
| Back/forward cache is disabled because WebSocket has been used. | Not actionable |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.casino.org/assets/app/_next/static/chunks/890-4c9bef17ac917abc.js | 158.5 KiB | 90.1 KiB |
| /assets/app/_next/static/chunks/app/[[...slug]]/page-b943... | 131.1 KiB | 89.2 KiB |
| www.casino.org/assets/app/_next/static/chunks/3398e177-70e31e01f958b64d.js | 48.6 KiB | 43.8 KiB |
| www.casino.org/assets/app/_next/static/chunks/1117-36b6b1c4f88d0a08.js | 54.1 KiB | 38.7 KiB |
| /signals/config/1382453083617465?v=2.9.303&r=stable&domai... | 125.1 KiB | 35.5 KiB |
| connect.facebook.net/en_US/fbevents.js | 96.5 KiB | 33.7 KiB |
| script.hotjar.com/modules.6a0f3932cb1341a35c18.js | 56.1 KiB | 25.1 KiB |
| www.casino.org/assets/app/_next/static/chunks/898-edf79f3eae95a29a.js | 61.6 KiB | 20.6 KiB |
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
More information about the performance of your application. These numbers don't directly affect the Performance score.
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
ARIA
ARIA roles must have valid values in order to perform their intended accessibility functions. Learn more about valid ARIA roles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
div.mx-0 > div.mx-auto > div.h-[62px] > div.item div.mx-0 > div.mx-auto > div.h-[62px] > div.item |
When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Select Country div.justify-between > div.md:w-64 > div.relative > div |
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
1m+ ul.flex > li.md:flex-[1_1_calc(25%-24px)] > div.h-full > span.styled-anchors |
100+ ul.flex > li.md:flex-[1_1_calc(25%-24px)] > div.h-full > span.styled-anchors |
$37m+ ul.flex > li.md:flex-[1_1_calc(25%-24px)] > div.h-full > span.styled-anchors |
4.4 ul.flex > li.md:flex-[1_1_calc(25%-24px)] > div.h-full > span.styled-anchors |
These are opportunities to improve the legibility of your content.
Tables and lists
When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn how to structure definition lists correctly.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Helping players for 30 years
With three decades of experience, we’ve perfected … div.relative > div.flex > div.shrink-0 > dl.flex |
Real expert writers
The Casino.org writing team boasts experienced content edit… div.relative > div.flex > div.shrink-0 > dl.flex |
Rigorous 25-step review process
Don’t just take our word for it. Our methodical… div.relative > div.flex > div.shrink-0 > dl.flex |
Stay informed with first-rate features
Boost your skills and knowledge with inf… div.relative > div.flex > div.shrink-0 > dl.flex |
We’re committed to responsible gambling
We provide the information and support … div.relative > div.flex > div.shrink-0 > dl.flex |
Definition list items (`<dt>` and `<dd>`) must be wrapped in a parent `<dl>` element to ensure that screen readers can properly announce them. Learn how to structure definition lists correctly.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
With three decades of experience, we’ve perfected our processes and built a rep… dl.flex > div.flex > div > dd.styled-anchors |
The Casino.org writing team boasts experienced content editors, published autho… dl.flex > div.flex > div > dd.styled-anchors |
Don’t just take our word for it. Our methodical, data-driven rating approach co… dl.flex > div.flex > div > dd.styled-anchors |
Boost your skills and knowledge with infographics, tools, long-form articles, a… dl.flex > div.flex > div > dd.styled-anchors |
We provide the information and support you need to stay in control. Find helpfu… dl.flex > div.flex > div > dd.styled-anchors |
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
See what sets us apart div.shrink-0 > dl.flex > div.flex > a.link |
Get to know our writers div.shrink-0 > dl.flex > div.flex > a.link |
Casinos online Argentina nav > ul.grid > li.flex > a.link |
Online casinos Canada nav > ul.grid > li.flex > a.link |
Casinos en ligne Canada nav > ul.grid > li.flex > a.link |
Casinos online en Chile nav > ul.grid > li.flex > a.link |
Online casinos Deutschland nav > ul.grid > li.flex > a.link |
Casinos online en España nav > ul.grid > li.flex > a.link |
Online casinos India nav > ul.grid > li.flex > a.link |
Online casino Luxemburg nav > ul.grid > li.flex > a.link |
NZ online casinos nav > ul.grid > li.flex > a.link |
Online casinos Österreich nav > ul.grid > li.flex > a.link |
Casinos online em Portugal nav > ul.grid > li.flex > a.link |
Online casino South Africa nav > ul.grid > li.flex > a.link |
Best online casinos UK nav > ul.grid > li.flex > a.link |
Online casinos USA nav > ul.grid > li.flex > a.link |
Casinos en línea en EE. UU. nav > ul.grid > li.flex > a.link |
Best Practices
User Experience
Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.
Performance issues directly impact user engagement and conversion rates.
| URL | Aspect Ratio (Displayed) | Aspect Ratio (Actual) | |
|---|---|---|---|
Jelly Express div.hidden > div.relative > div.flex > img.h-[243px] | /_next/image/?url=https%3A%2F%2Fgames.casino.org%2Fassets... | 380 x 280 (1.36) | 640 x 480 (1.33) |
Jelly Express div.hidden > div.relative > div.flex > img.h-[310px] | /_next/image/?url=https%3A%2F%2Fgames.casino.org%2Fassets... | 380 x 280 (1.36) | 640 x 480 (1.33) |
Jelly Express div.hidden > div.relative > div.shrink-0 > img.h-[215px] | /_next/image/?url=https%3A%2F%2Fgames.casino.org%2Fassets... | 380 x 280 (1.36) | 640 x 480 (1.33) |
Jelly Express div.relative > div.flex > div.flex > img.h-[132px] | /_next/image/?url=https%3A%2F%2Fgames.casino.org%2Fassets... | 162 x 118 (1.37) | 640 x 480 (1.33) |
General
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Performance issues directly impact user engagement and conversion rates.
| Deprecation / Warning | Source |
|---|---|
| SharedStorage | |
| StorageType.persistent is deprecated. Please use standardized navigator.storage instead. | |
| Fledge | |
| AttributionReporting | connect.facebook.net/en_US/fbevents.js line 279, col 769 |
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
Failed to load resource: the server responded with a status of 403 () | |
Failed to load resource: the server responded with a status of 404 () |
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.
Performance issues directly impact user engagement and conversion rates.
SEO
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.