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Lighthouse Desktop
· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.SCORE
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Detailed Report
Audit breakdown by category with detailed findings.
69
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Why this matters
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
Why this matters
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.
Why this matters
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Why this matters
Performance issues directly impact user engagement and conversion rates.
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Why this matters
Performance issues directly impact user engagement and conversion rates.
headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:87.269 source:map[column:26620 line:4 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:47.496 source:map[type:text value:[unattributed]]] map[reflowTime:29.037 source:map[column:4013 line:0 type:source-location url:https://pub.mdpi-res.com/assets/js/modernizr-2.8.3.min.js?5227e0738f7f421d?1776344295 urlProvider:network]] map[reflowTime:2.723 source:map[column:5965 line:0 type:source-location url:https://pub.mdpi-res.com/assets/js/modernizr-2.8.3.min.js?5227e0738f7f421d?1776344295 urlProvider:network]] map[reflowTime:8.421 source:map[column:6495 line:0 type:source-location url:https://pub.mdpi-res.com/assets/js/modernizr-2.8.3.min.js?5227e0738f7f421d?1776344295 urlProvider:network]] map[reflowTime:1.951 source:map[column:1173 line:0 type:source-location url:https://pub.mdpi-res.com/assets/js/modernizr-2.8.3.min.js?5227e0738f7f421d?1776344295 urlProvider:network]] map[reflowTime:0.304 source:map[column:1198 line:0 type:source-location url:https://pub.mdpi-res.com/assets/js/modernizr-2.8.3.min.js?5227e0738f7f421d?1776344295 urlProvider:network]] map[reflowTime:2.269 source:map[column:31379 line:1 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:15.553 source:map[column:27484 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.424 source:map[column:26389 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.315 source:map[column:26518 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.197 source:map[column:26828 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.288 source:map[column:26890 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.664 source:map[column:27147 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.371 source:map[column:27223 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:2.93 source:map[column:250 line:4 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:42.479 source:map[column:29559 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:7.199 source:map[column:24437 line:3 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:1.255 source:map[column:27506 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.7 source:map[column:30763 line:3 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:1.016 source:map[column:3672 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:83.186 source:map[column:29573 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]] map[reflowTime:0.851 source:map[column:31117 line:2 type:source-location url:https://pub.mdpi-res.com/assets/js/jquery-1.12.4.min.js?4f252523d4af0b47?1776344295 urlProvider:network]]]
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
Why this matters
Performance issues directly impact user engagement and conversion rates.
lhId: page-0-DIV
nodeLabel: Advancing Open Science
Supporting academic communities
since 1996
path: 1,HTML,1,BODY,8,DIV,2,SECTION,0,HEADER,1,DIV,0,DIV
selector: section.main-section > header > div.hero-container > div.hero
snippet: <div class="hero hero-homepage" style="">
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| pub.mdpi-res.com/assets/css/main2.css?6e6accf21aec294e?1776344295 | 38.4 KiB | 510 ms |
| pub.mdpi-res.com/assets/css/chosen.min.css?d7ca5ca9441ef9e1?1776344295 | 2.8 KiB | 418 ms |
| pub.mdpi-res.com/assets/css/font-awesome.min.css?eb190a3a77e5e1ee?1776344295 | 5.5 KiB | 418 ms |
| pub.mdpi-res.com/assets/css/jquery.multiselect.css?f56c135cbf4d1483?1776344295 | 1.3 KiB | 418 ms |
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Why this matters
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
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
Academic-Video-Service div > a > img | serve.mdpi.com/www/images/3bcf46c3346af2cbacb55812555e97c5.jpg | 187.3 KiB | 171.7 KiB |
Book cover image div > div > a > img.latestBooks | /bookfiles/edition/7971/Transitioning_to_Peace_Justice_an... | 139.9 KiB | 134.4 KiB |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /animals/animals-16-00916/article_deploy/html/images/anim... | 38.2 KiB | 33.8 KiB |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /encyclopedia/encyclopedia-06-00080/article_deploy/html/i... | 12.3 KiB | 9.9 KiB |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /geriatrics/geriatrics-11-00028/article_deploy/html/image... | 12.0 KiB | 9.7 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/systems-logo-sq.png?0dc2bfe13419413e | 8.8 KiB | 8.5 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/medicina-logo-sq.png?9503e5ef9258f374 | 7.4 KiB | 7.1 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/cells-logo-sq.png?e0a28e0a1b4950d8 | 7.4 KiB | 7.1 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/biology-logo-sq.png?481dc7ce54ba6181 | 6.7 KiB | 6.4 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/cancers-logo-sq.png?df81b5f48fc1cbc2 | 6.2 KiB | 5.9 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/microorganisms-logo-sq.png?1d56b7580a7fc150 | 5.6 KiB | 5.3 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/nanomaterials-logo-sq.png?f1f561582aaa2e89 | 5.4 KiB | 5.2 KiB |
Interleukin Signatures as Prognostic Biomarkers in Ulcerative Colitis: From Imm… ul.title-story-orbit > li > a > img | pub.mdpi-res.com/title_story/title_story_17719149151105.jpg?1776344295 | 26.1 KiB | 4.9 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/ijerph-logo-sq.png?723264ea56800ef4 | 4.9 KiB | 4.7 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/antibiotics-logo-sq.png?c3a106ac70f75641 | 4.8 KiB | 4.6 KiB |
From GWAS Signals to Causal Genes in Chronic Kidney Disease ul.title-story-orbit > li.active > a > img | pub.mdpi-res.com/title_story/title_story_17719148303259.jpg?1776344295 | 23.5 KiB | 4.4 KiB |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/diagnostics-logo-sq.png?5d2b2bb8cfafbf2e | 4.3 KiB | 4.1 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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 414 ms
| URL | Time Spent |
|---|---|
| mdpi.com/ | 414 ms |
| www.mdpi.com/ | 0.0 ms |
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
TTI
Diagnostics
Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 40 ms 27.6 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| pub.mdpi-res.com/assets/js/lib.js?b513466febadd6fc?1776344295 | 54.8 KiB | 21.0 KiB |
| pub.mdpi-res.com/assets/js/jquery.multiselect.js?0edd3998731d1091?1776344295 | 6.5 KiB | 3.5 KiB |
| pub.mdpi-res.com/assets/js/mdpi.js?c267ce58392b15da?1776344295 | 6.4 KiB | 3.1 KiB |
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 70 ms 46.2 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| pub.mdpi-res.com/assets/css/main2.css?6e6accf21aec294e?1776344295 | 37.8 KiB | 32.9 KiB |
| .overlay { --color-cmp-overlay: #333333; --feature-overlay-opacity: 0.7; } … | 14.3 KiB | 13.4 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 120 ms 205.3 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.googletagmanager.com/gtm.js?id=GTM-WPK7SW5 | 177.1 KiB | 79.4 KiB |
| s2.go-mpulse.net/boomerang/4MGA4-E5JH8-79LAG-STF7X-79Z92 | 56.2 KiB | 36.8 KiB |
| pub.mdpi-res.com/assets/js/lib.js?b513466febadd6fc?1776344295 | 54.8 KiB | 36.1 KiB |
| web.cmp.usercentrics.eu/ui/v/3.114.0/WebSdk.lib.c9b98563.js | 51.3 KiB | 32.8 KiB |
| pub.mdpi-res.com/assets/js/foundation-5.5.3.min.js?6b2ec41c18b29054?1776344295 | 27.3 KiB | 20.3 KiB |
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
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 865 ms |
| Style & Layout | 459 ms |
| Other | 450 ms |
| Parse HTML & CSS | 202 ms |
| Rendering | 78 ms |
| Script Parsing & Compilation | 68 ms |
| Garbage Collection | 6.7 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
Why this matters
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 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 |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
Book cover image div > div > a > img.latestBooks | mdpi-res.com/bookfiles/book/12614/Neurofibromatosis.jpg?v=1776361962 |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /future/future-04-00013/article_deploy/html/images/future... |
Book cover image div > div > a > img.latestBooks | /bookfiles/edition/7971/Transitioning_to_Peace_Justice_an... |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /ijms/ijms-27-02569/article_deploy/html/images/ijms-27-02... |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /aerospace/aerospace-13-00297/article_deploy/html/images/... |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /geriatrics/geriatrics-11-00028/article_deploy/html/image... |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /encyclopedia/encyclopedia-06-00080/article_deploy/html/i... |
Photoprotection for Skin Cancer: What’s New ul.title-story-orbit > li > a > img | pub.mdpi-res.com/title_story/title_story_17725334168433.jpg?1776344295 |
The Impact of Coat Colour, Eye Shape, and Pupil Size on Cat Adoptability Ratings ul.title-story-orbit > li > a > img | pub.mdpi-res.com/title_story/title_story_17722632645451.jpg?1776344295 |
Benzimidazole-Quinoline Hybrids: Synthesis and Antimicrobial Properties ul.title-story-orbit > li.active > a > img | pub.mdpi-res.com/title_story/title_story_17719245219672.jpg?1776344295 |
Interleukin Signatures as Prognostic Biomarkers in Ulcerative Colitis: From Imm… ul.title-story-orbit > li > a > img | pub.mdpi-res.com/title_story/title_story_17719149151105.jpg?1776344295 |
From GWAS Signals to Causal Genes in Chronic Kidney Disease ul.title-story-orbit > li > a > img | pub.mdpi-res.com/title_story/title_story_17719148303259.jpg?1776344295 |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /futuretransp/futuretransp-06-00074/article_deploy/html/i... |
div.absgraph > a > div.abstractGraphicContainer > img div.absgraph > a > div.abstractGraphicContainer > img | /animals/animals-16-00916/article_deploy/html/images/anim... |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/sustainability-logo-sq.png?3798e4e58c765aed |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/applsci-logo-sq.png?c706cab522490ca4 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/ijms-logo-sq.png?8474213734ff770b |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/jcm-logo-sq.png?a3a9757d9587fc12 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/sensors-logo-sq.png?e6c5d1b63c26048a |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/energies-logo-sq.png?4acb609819f4b6c3 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/materials-logo-sq.png?383a60561d4dedb8 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/electronics-logo-sq.png?627c4593cae3bd63 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/buildings-logo-sq.png?80440ccc40417266 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/foods-logo-sq.png?a8f99d50b4c10c98 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/molecules-logo-sq.png?a847d0c066f04dd5 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/mathematics-logo-sq.png?72e5113f8e55c761 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/processes-logo-sq.png?1e142e5ab0d148f8 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/cancers-logo-sq.png?df81b5f48fc1cbc2 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/nutrients-logo-sq.png?9c2a50916d08fddc |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/diagnostics-logo-sq.png?5d2b2bb8cfafbf2e |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/plants-logo-sq.png?a5ba0924e90b6067 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/animals-logo-sq.png?2593f0cd3297b11e |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/remotesensing-logo-sq.png?1ace5a4b6c47121d |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/healthcare-logo-sq.png?280d472c5e36c944 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/polymers-logo-sq.png?a28a61cc1cd88ebc |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/water-logo-sq.png?66b923b408293d2a |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/microorganisms-logo-sq.png?1d56b7580a7fc150 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/biomedicines-logo-sq.png?71c15d34b20b6e88 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/agriculture-logo-sq.png?d9aa6395761dfdff |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/medicina-logo-sq.png?9503e5ef9258f374 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/agronomy-logo-sq.png?010a42cd82f83819 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/cells-logo-sq.png?e0a28e0a1b4950d8 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/jmse-logo-sq.png?c64da767266cbc39 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/land-logo-sq.png?b00e994bee633aa0 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/behavsci-logo-sq.png?0b144f4aa5d2dcb6 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/life-logo-sq.png?6e8bab011f052a6d |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/education-logo-sq.png?0ee5b7cdaeaa8633 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/symmetry-logo-sq.png?5790e180d12080d7 |
ul#index-journals > li > a > img ul#index-journals > li > a > img | pub.mdpi-res.com/img/journals/pharmaceuticals-logo-sq.png?397d69db6b6a1105 |
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More information about the performance of your application. These numbers don't directly affect the Performance score.
●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Avoids enormous network payloads Total size was 2,622 KiB
●User Timing marks and measures 638 user timings
●JavaScript execution time 0.8 s
●Avoid long main-thread tasks 4 long tasks found
●Network Requests
●Network Round Trip Times 40 ms
●Server Backend Latencies 420 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 310 ms
●Avoid large layout shifts 5 layout shifts found
○INP breakdown
○Avoid non-composited animations
71
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
Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
attachment div.generic-item > div.article-content > div.label > a |
Open Access div.generic-item > div.article-content > div.article-icons > span.label |
Disclaimer div#footer-copyright > div.row > div.columns > a |
ARIA dialog elements without accessible names may prevent screen readers users from discerning the purpose of these elements. Learn how to make ARIA dialog elements more accessible.
Why this matters
Informational: a Permissions-Policy directive showing feature -> allowed origins.
Source: MDN Permissions-Policy
| Failing Elements |
|---|
All MDPI websites use third-party website tracking technologies to provide and … div.cmp-wrapper > div#uc-main-dialog |
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.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Sustainability 2026, 18(8), 3982; https://doi.org/10.3390/su18083982 (registeri… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Sustainability div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
18 div.generic-item > div.article-content > div.color-grey-dark > em |
Int. J. Mol. Sci. 2026, 27(8), 3575; https://doi.org/10.3390/ijms27083575 (regi… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Int. J. Mol. Sci. div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
27 div.generic-item > div.article-content > div.color-grey-dark > em |
Nutrients 2026, 18(8), 1264; https://doi.org/10.3390/nu18081264 (registering DO… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Nutrients div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
18 div.generic-item > div.article-content > div.color-grey-dark > em |
Micromachines 2026, 17(4), 487; https://doi.org/10.3390/mi17040487 (registering… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Micromachines div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
17 div.generic-item > div.article-content > div.color-grey-dark > em |
Symmetry 2026, 18(4), 669; https://doi.org/10.3390/sym18040669 (registering DOI… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Symmetry div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
18 div.generic-item > div.article-content > div.color-grey-dark > em |
Int. J. Mol. Sci. 2026, 27(8), 3574; https://doi.org/10.3390/ijms27083574 (regi… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Int. J. Mol. Sci. div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
27 div.generic-item > div.article-content > div.color-grey-dark > em |
Educ. Sci. 2026, 16(4), 640; https://doi.org/10.3390/educsci16040640 (registeri… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Educ. Sci. div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Metals 2026, 16(4), 431; https://doi.org/10.3390/met16040431 (registering DOI) … div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Metals div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Religions 2026, 17(4), 488; https://doi.org/10.3390/rel17040488 (registering DO… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Religions div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
17 div.generic-item > div.article-content > div.color-grey-dark > em |
Bioengineering 2026, 13(4), 469; https://doi.org/10.3390/bioengineering13040469… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Bioengineering div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
13 div.generic-item > div.article-content > div.color-grey-dark > em |
Machines 2026, 14(4), 445; https://doi.org/10.3390/machines14040445 (registerin… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Machines div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
14 div.generic-item > div.article-content > div.color-grey-dark > em |
Agriculture 2026, 16(8), 889; https://doi.org/10.3390/agriculture16080889 (regi… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Agriculture div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Land 2026, 15(4), 659; https://doi.org/10.3390/land15040659 (registering DOI) -… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Land div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
15 div.generic-item > div.article-content > div.color-grey-dark > em |
Agriculture 2026, 16(8), 888; https://doi.org/10.3390/agriculture16080888 (regi… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Agriculture div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Diagnostics 2026, 16(8), 1194; https://doi.org/10.3390/diagnostics16081194 (reg… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Diagnostics div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Diagnostics 2026, 16(8), 1195; https://doi.org/10.3390/diagnostics16081195 (reg… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Diagnostics div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Processes 2026, 14(8), 1277; https://doi.org/10.3390/pr14081277 (registering DO… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Processes div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
14 div.generic-item > div.article-content > div.color-grey-dark > em |
Sensors 2026, 26(8), 2466; https://doi.org/10.3390/s26082466 (registering DOI) … div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Sensors div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
26 div.generic-item > div.article-content > div.color-grey-dark > em |
Cancers 2026, 18(8), 1272; https://doi.org/10.3390/cancers18081272 (registering… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Cancers div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
18 div.generic-item > div.article-content > div.color-grey-dark > em |
Diagnostics 2026, 16(8), 1193; https://doi.org/10.3390/diagnostics16081193 (reg… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Diagnostics div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Animals 2026, 16(8), 1225; https://doi.org/10.3390/ani16081225 (registering DOI… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Animals div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Atmosphere 2026, 17(4), 406; https://doi.org/10.3390/atmos17040406 (registering… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Atmosphere div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
17 div.generic-item > div.article-content > div.color-grey-dark > em |
Nanomaterials 2026, 16(8), 472; https://doi.org/10.3390/nano16080472 (registeri… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Nanomaterials div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Healthcare 2026, 14(8), 1063; https://doi.org/10.3390/healthcare14081063 (regis… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Healthcare div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
14 div.generic-item > div.article-content > div.color-grey-dark > em |
Coatings 2026, 16(4), 482; https://doi.org/10.3390/coatings16040482 (registerin… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Coatings div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
16 div.generic-item > div.article-content > div.color-grey-dark > em |
Healthcare 2026, 14(8), 1062; https://doi.org/10.3390/healthcare14081062 (regis… div.custom-accordion-for-small-screen-content > div.generic-item > div.article-content > div.color-grey-dark |
Healthcare div.generic-item > div.article-content > div.color-grey-dark > em |
2026 div.generic-item > div.article-content > div.color-grey-dark > b |
14 div.generic-item > div.article-content > div.color-grey-dark > em |
Find Journal... div.box_content > div#js_home_journal_select_chosen > a.chosen-single > span |
Animals 2026, 16(6), 916; https://doi.org/10.3390/ani16060916 div.item > div > span.text-information > span.color-grey-dark |
Animals div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
16 div > span.text-information > span.color-grey-dark > em |
Encyclopedia 2026, 6(4), 80; https://doi.org/10.3390/encyclopedia6040080 div.item > div > span.text-information > span.color-grey-dark |
Encyclopedia div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
Geriatrics 2026, 11(2), 28; https://doi.org/10.3390/geriatrics11020028 div.item > div > span.text-information > span.color-grey-dark |
Geriatrics div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
11 div > span.text-information > span.color-grey-dark > em |
Soc. Sci. 2026, 15(3), 167; https://doi.org/10.3390/socsci15030167 div.item > div > span.text-information > span.color-grey-dark |
Soc. Sci. div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
15 div > span.text-information > span.color-grey-dark > em |
Future 2026, 4(2), 13; https://doi.org/10.3390/future4020013 div.item > div > span.text-information > span.color-grey-dark |
Future div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
Societies 2026, 16(3), 88; https://doi.org/10.3390/soc16030088 div.item > div > span.text-information > span.color-grey-dark |
Societies div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
16 div > span.text-information > span.color-grey-dark > em |
Future Transp. 2026, 6(2), 74; https://doi.org/10.3390/futuretransp6020074 div.item > div > span.text-information > span.color-grey-dark |
Future Transp. div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
Int. J. Mol. Sci. 2026, 27(6), 2569; https://doi.org/10.3390/ijms27062569 div.item > div > span.text-information > span.color-grey-dark |
Int. J. Mol. Sci. div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
27 div > span.text-information > span.color-grey-dark > em |
Disabilities 2026, 6(2), 23; https://doi.org/10.3390/disabilities6020023 div.item > div > span.text-information > span.color-grey-dark |
Disabilities div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
Toxins 2026, 18(3), 144; https://doi.org/10.3390/toxins18030144 div.item > div > span.text-information > span.color-grey-dark |
Toxins div > span.text-information > span.color-grey-dark > em |
2026 div > span.text-information > span.color-grey-dark > b |
18 div > span.text-information > span.color-grey-dark > em |
Editor: Rajendra Baikady div.expanding-div > div.generic-item > div > span.text-information |
Editors: Rianne Oostenbrink, Ignacio Blanco, Enrico Opocher div.expanding-div > div.generic-item > div > span.text-information |
Topic Editors: Verônica Cortez Ginani, Renata Puppin Zandonadi
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Siu-Kit Lau, Vesna Kosorić, Abel Tablada, Miljana Horvat, Milena… div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Wenshan Guo, Jinfeng Ding, Min Zhu
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Ayan Kumar Barui, Susheel Kumar Nethi
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Da Gao, Kun Duan
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Diego Bellan, Jelena Loncarski
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Hana Brborović, Ognjen Brborovic, Reinhard Strametz
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Meho-Saša Kovačević, Vassilis Marinos
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Chung Hoow Kok, Cindy H. S. Lee, Claudio Cerchione
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Topic Editors: Ayman El-Zohairy, Ahmed A. Ibrahim
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editor: Ermete Giancipoli
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Yosheen Pillay, Charlotte Brownlow
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editor: Sergey Tin
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Catherine Chan, Emad Yuzbashian
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Zhida Li, Zakaria Alomari
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editor: Yupeng Fan
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Martin Trapp, Pierre Alquier
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Abdelfettah Benchrif, Mounia Tahri
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Enrique Becerril-Villanueva, Alberto Salazar-Juárez, María Dolor… div.target-item > div.expanding-div > div.generic-item > span.text-information |
Guest Editors: Jili Zhang, Xiaodong Liu, Mingyu Wang, Feng Chen
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editor: Mike Barbeck
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editors: Ian Nicholls, Vladimir N. Uversky
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editors: Samir C. Debnath, Shri Mohan Jain
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editor: Satoshi Watanabe
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editors: Spas D. Kolev, Tae-Hyun Bae, Laurent Bazinet, Claus Hélix-N… div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editor: Luis Felipe Jiménez-García
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editors: Xinqiang Chen, Jinjun Tang, Yongsheng Yang, Wenhui Zhang
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editors: Lucio Barile, Edoardo Lazzarini
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editor: Chongshan Dai
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Collection Editor: Jianyong Wu
div.target-item > div.expanding-div > div.generic-item > span.text-information |
Select options div.footer-subscribe__container > form#newsletter > div.ms-options-wrap > button |
These are opportunities to improve the legibility of your content.
Names and labels
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#left-column > div.content__container > div.target-item > img div#left-column > div.content__container > div.target-item > img |
Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#journal_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input div#journal_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input |
div#article_type_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input div#article_type_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input |
div#js_home_journal_select_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input div#js_home_journal_select_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input |
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.content__container > div#title-story > div.orbit-container > a.orbit-prev div.content__container > div#title-story > div.orbit-container > a.orbit-prev |
div.content__container > div#title-story > div.orbit-container > a.orbit-next div.content__container > div#title-story > div.orbit-container > a.orbit-next |
div.content__container > div.custom-accordion-for-small-screen-link > h2 > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div.generic-item > div > div.absgraph > a div.generic-item > div > div.absgraph > a |
div#footer > div.hero-container > div.orbit-container > a.orbit-prev div#footer > div.hero-container > div.orbit-container > a.orbit-prev |
div#footer > div.hero-container > div.orbit-container > a.orbit-next div#footer > div.hero-container > div.orbit-container > a.orbit-next |
div#journal-listing > div.slider-container > div.orbit-container > a.orbit-prev div#journal-listing > div.slider-container > div.orbit-container > a.orbit-prev |
div#journal-listing > div.slider-container > div.orbit-container > a.orbit-next div#journal-listing > div.slider-container > div.orbit-container > a.orbit-next |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Navigation
A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. Learn more about the `tabindex` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.row > div.custom-accordion-for-small-screen-content > div.large-2 > input#q div.row > div.custom-accordion-for-small-screen-content > div.large-2 > input#q |
div.row > div.custom-accordion-for-small-screen-content > div.large-2 > input#authors div.row > div.custom-accordion-for-small-screen-content > div.large-2 > input#authors |
div#journal_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input div#journal_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input |
div#article_type_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input div#article_type_chosen > div.chosen-drop > div.chosen-search > input.chosen-search-input |
div.row > div.custom-accordion-for-small-screen-content > div.large-1 > input#search div.row > div.custom-accordion-for-small-screen-content > div.large-1 > input#search |
These are opportunities to improve keyboard navigation in your application.
Best practices
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Biology & Life Sciences div#journal-listing-links > ul.side-menu-ul > li.side-menu-li > a.journal-browse-link |
Business & Economics div#journal-listing-links > ul.side-menu-ul > li.side-menu-li > a.journal-browse-link |
Article Processing Charges div#footer > div.row > div.large-2 > a |
Pay an Invoice div#footer > div.row > div.large-2 > a |
Open Access Policy div#footer > div.row > div.large-2 > a |
Contact MDPI div#footer > div.row > div.large-2 > a |
Jobs at MDPI div#footer > div.row > div.large-2 > a |
For Authors div#footer > div.row > div.large-2 > a |
For Reviewers div#footer > div.row > div.large-2 > a |
For Editors div#footer > div.row > div.large-2 > a |
For Librarians div#footer > div.row > div.large-2 > a |
For Publishers div#footer > div.row > div.large-2 > a |
For Societies div#footer > div.row > div.large-2 > a |
For Conference Organizers div#footer > div.row > div.large-2 > a |
Sciforum div#footer > div.row > div.large-2 > a |
MDPI Books div#footer > div.row > div.large-2 > a |
Preprints.org div#footer > div.row > div.large-2 > a |
Scilit div#footer > div.row > div.large-2 > a |
SciProfiles div#footer > div.row > div.large-2 > a |
Encyclopedia div#footer > div.row > div.large-2 > a |
JAMS div#footer > div.row > div.large-2 > a |
Proceedings Series div#footer > div.row > div.large-2 > a |
LinkedIn div#footer > div.row > div.large-2 > a |
Facebook div#footer > div.row > div.large-2 > a |
X div#footer > div.row > div.large-2 > a |
These items highlight common accessibility best practices.
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Input buttons have discernible text.
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●All heading elements contain content.
●Identical links have the same purpose.
●Elements with visible text labels have matching accessible names.
○`[accesskey]` values are unique
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
100
Best Practices
●Uses HTTPS
●Avoids deprecated APIs
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No browser errors logged to the console
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
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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.
Content Best Practices
Descriptive link text helps search engines understand your content. Learn how to make links more accessible.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Link destination | Link Text |
|---|---|
| susy.mdpi.com/user/manuscripts/upload | here |
| www.mdpi.com/authors | Information |
| www.mdpi.com/journal/information | Information |
| www.mdpi.com/about/privacy | here |
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#left-column > div.content__container > div.target-item > img div#left-column > div.content__container > div.target-item > img |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Uncrawlable Link |
|---|
Cancel div#rssNotificationModal > div.row > div.small-12 > a.button |
All Journals div.custom-accordion-for-small-screen-content > div.large-2 > div#journal_chosen > a.chosen-single |
All Article Types div.custom-accordion-for-small-screen-content > div.large-2 > div#article_type_chosen > a.chosen-single |
--
div.row > div.large-2 > div#section_chosen > a.chosen-single |
--
div.row > div.large-2 > div#special_issue_chosen > a.chosen-single |
Find Journal... div#js-main-top-container > div.box_content > div#js_home_journal_select_chosen > a.chosen-single |
To appear in search results, crawlers need access to your app.
○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`
○robots.txt is valid