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· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

59

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.

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.

RequestCache TTLTransfer Size
coverimages.igi-global.com/images/tache.png0.0 ms770.3 KiB
coverimages.igi-global.com/images/clemsonuniversity_cmyk__orangepurple.jpg0.0 ms688.9 KiB
/images/april-read-and-publish-webinar-website-flyer-pane...0.0 ms408.1 KiB
coverimages.igi-global.com/images/library_partnerships_ffoapa.jpg0.0 ms259.2 KiB
coverimages.igi-global.com/images/igi-global-header-hp-2000x360.png0.0 ms160.5 KiB
coverimages.igi-global.com/images/proud-supporter-of-wfcf-20250113.png0.0 ms43.2 KiB
coverimages.igi-global.com/cover-images/covers/9781522595786.webp0.0 ms26.7 KiB
coverimages.igi-global.com/cover-images/covers/9781522522423.webp0.0 ms24.3 KiB
coverimages.igi-global.com/cover-images/covers/9781522577003.webp0.0 ms24.1 KiB
coverimages.igi-global.com/cover-images/covers/9781799818755.webp0.0 ms23.2 KiB
coverimages.igi-global.com/cover-images/covers/9781799828747.webp0.0 ms23.1 KiB
coverimages.igi-global.com/cover-images/covers/9781522558798.webp0.0 ms21.4 KiB
coverimages.igi-global.com/cover-images/covers/9781522562528.webp0.0 ms20.9 KiB
coverimages.igi-global.com/cover-images/covers/9781522527886.webp0.0 ms20.2 KiB
coverimages.igi-global.com/cover-images/covers/9781799825173.webp0.0 ms20.2 KiB
coverimages.igi-global.com/cover-images/covers/9781799823100.webp0.0 ms19.9 KiB
coverimages.igi-global.com/cover-images/covers/9781522557241.webp0.0 ms19.7 KiB
coverimages.igi-global.com/cover-images/covers/9781799822080.webp0.0 ms19.6 KiB
coverimages.igi-global.com/cover-images/covers/9781799830382.webp0.0 ms19.1 KiB
coverimages.igi-global.com/cover-images/covers/9781522526339.webp0.0 ms18.9 KiB
coverimages.igi-global.com/cover-images/covers/9781799819349.webp0.0 ms18.8 KiB
coverimages.igi-global.com/cover-images/covers/9781522595991.webp0.0 ms18.1 KiB
coverimages.igi-global.com/cover-images/covers/9781799814689.webp0.0 ms18.1 KiB
coverimages.igi-global.com/cover-images/covers/9781799821939.webp0.0 ms17.6 KiB
coverimages.igi-global.com/cover-images/covers/9781522572565.webp0.0 ms17.5 KiB
coverimages.igi-global.com/cover-images/covers/9781799824510.webp0.0 ms17.5 KiB
coverimages.igi-global.com/cover-images/covers/9781799821168.webp0.0 ms17.4 KiB
coverimages.igi-global.com/cover-images/covers/9781799826538.webp0.0 ms17.3 KiB
coverimages.igi-global.com/cover-images/covers/9781799833833.webp0.0 ms16.9 KiB
coverimages.igi-global.com/cover-images/covers/9781522559368.webp0.0 ms16.6 KiB
coverimages.igi-global.com/cover-images/covers/9781522527916.webp0.0 ms16.6 KiB
coverimages.igi-global.com/cover-images/covers/9781799822127.webp0.0 ms16.5 KiB
coverimages.igi-global.com/cover-images/covers/9781522562498.webp0.0 ms16.3 KiB
coverimages.igi-global.com/cover-images/covers/9781522557968.webp0.0 ms16.1 KiB
coverimages.igi-global.com/cover-images/covers/9781799829010.webp0.0 ms15.8 KiB
coverimages.igi-global.com/cover-images/covers/9781799814009.webp0.0 ms15.8 KiB
coverimages.igi-global.com/cover-images/covers/9781799821328.webp0.0 ms15.7 KiB
coverimages.igi-global.com/cover-images/covers/9781522562405.webp0.0 ms15.5 KiB
coverimages.igi-global.com/cover-images/covers/9781799824572.webp0.0 ms15.4 KiB
coverimages.igi-global.com/cover-images/covers/9781799813095.webp0.0 ms15.3 KiB
coverimages.igi-global.com/cover-images/covers/9781522551096.webp0.0 ms14.8 KiB
coverimages.igi-global.com/images/igi-global-logo-loc.webp0.0 ms14.8 KiB
coverimages.igi-global.com/cover-images/covers/9781799823254.webp0.0 ms14.4 KiB
coverimages.igi-global.com/cover-images/covers/9781799819783.webp0.0 ms12.8 KiB
coverimages.igi-global.com/images/igi-global-logo.webp0.0 ms11.9 KiB
conferences.upcea.edu/regional/images/UPCEA-Logo.jpg0.0 ms11.0 KiB
www.igi-global.com/Scripts/external/2025/jquery-3.7.1.js604800.0 s83.5 KiB
coverimages.igi-global.com/cover-images/covers/9781799817604.webp0.0 ms7.6 KiB
coverimages.igi-global.com/cover-images/covers/9781522592549.webp0.0 ms7.3 KiB
coverimages.igi-global.com/cover-images/covers/9781522597155.webp0.0 ms6.2 KiB
js.zi-scripts.com/zi-tag.js0.0 ms5.7 KiB
coverimages.igi-global.com/images/generic-img-set.png0.0 ms4.8 KiB
/Scripts/external/bootstrap/bootstrap-5.3.7-dist/js/boots...604800.0 s43.9 KiB
coverimages.igi-global.com/images/cope-logo-footer-white.webp0.0 ms2.8 KiB
/fonts/open-sans-condensed/open-sans-condensed-v12-latin-...604800.0 s14.5 KiB
www.igi-global.com/Scripts/external/slick/ajax-loader.gif604800.0 s4.4 KiB
www.igi-global.com/includes/currency.js604800.0 s2.7 KiB
www.igi-global.com/Images/loading-ico.gif604800.0 s984 B

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:51.524 source:map[column:30286 line:22 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 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:24.225 source:map[column:31379 line:21 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:13.623 source:map[column:27484 line:22 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:6.628 source:map[column:29559 line:22 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:5.298 source:map[column:27506 line:22 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:1.75 source:map[column:29573 line:22 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:0.068 source:map[column:218 line:30886 type:source-location url:https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1 urlProvider:network]] map[reflowTime:0.385 source:map[type:text value:[unattributed]]]]

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.

URLResource SizeEst Savings
Slide 4 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/tache.png769.1 KiB756.4 KiB
Slide 3 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/clemsonuniversity_cmyk__orangepurple.jpg687.7 KiB675.0 KiB
Slide 1 image div.slick-card > div.img-wrap > a > img
/images/april-read-and-publish-webinar-website-flyer-pane...407.3 KiB394.9 KiB
Slide 2 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/library_partnerships_ffoapa.jpg258.5 KiB245.8 KiB
Publishing Tomorrow’s Research Today Nearly 200 Open Access Journals | 10,000+ … body > form#aspnetForm > div.jumbotron
coverimages.igi-global.com/images/igi-global-header-hp-2000x360.png160.0 KiB42.8 KiB
World Forgotten Children's Foundation div.footer-rightside-container > div > a.margin-left-25 > img
coverimages.igi-global.com/images/proud-supporter-of-wfcf-20250113.png42.9 KiB39.8 KiB
Blockchain Technology for Global Social Change div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595786.webp26.3 KiB18.7 KiB
Applying the Flipped Classroom Model to English Language Arts Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522522423.webp23.9 KiB17.3 KiB
Management Training Programs in Higher Education for the Fourth Industrial Revo… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799818755.webp22.9 KiB16.3 KiB
Technology Optimization and Change Management for Successful Digital Supply Cha… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522577003.webp23.7 KiB16.3 KiB
Managerial Challenges and Social Impacts of Virtual and Augmented Reality div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799828747.webp22.8 KiB16.2 KiB
Identifying, Describing, and Developing Teachers Who Are Gifted and Talented div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522558798.webp21.0 KiB14.5 KiB
Study Abroad Opportunities for Community College Students and Strategies for Gl… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562528.webp20.5 KiB14.1 KiB
Challenges and Opportunities for Transforming From STEM to STEAM Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799825173.webp19.8 KiB14.1 KiB
Theory and Practice of Business Intelligence in Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823100.webp19.5 KiB13.9 KiB
Research-Based Perspectives on the Psychophysiology of Yoga div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522527886.webp19.8 KiB13.8 KiB
Diversity, Equity, and Inclusivity in Contemporary Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557241.webp19.4 KiB13.3 KiB
Preparing Students for Community-Engaged Scholarship in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822080.webp19.2 KiB13.2 KiB
Sustainable Health and Long-Term Care Solutions for an Aging Population div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522526339.webp18.5 KiB12.9 KiB
Innovations, Algorithms, and Applications in Cognitive Informatics and Natural … div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799830382.webp18.7 KiB12.8 KiB
Handbook of Research on Project Management Strategies and Tools for Organizatio… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819349.webp18.4 KiB12.6 KiB
Gender Equity in the Medical Profession div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595991.webp17.8 KiB12.2 KiB
Handbook of Research on the Efficacy of Training Programs and Systems in Medica… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814689.webp17.7 KiB12.1 KiB
Enhancements and Limitations to ICT-Based Informal Language Learning div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821168.webp17.0 KiB12.1 KiB
Managing Patients' Organizations to Improve Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799826538.webp17.0 KiB12.1 KiB
CSR and Socially Responsible Investing Strategies in Transitioning and Emerging… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821939.webp17.2 KiB11.8 KiB
Promoting Productive Cooperation Between Space Lawyers and Engineers div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522572565.webp17.1 KiB11.8 KiB
Hospital Management and Emergency Medicine div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824510.webp17.1 KiB11.7 KiB
Enriching Teaching and Learning Environments With Contemporary Technologies div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799833833.webp16.5 KiB11.4 KiB
Curriculum Internationalization and the Future of Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522527916.webp16.3 KiB11.3 KiB
Handbook of Research on E-Assessment in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522559368.webp16.3 KiB11.2 KiB
Evidence-Based Faculty Development Through the Scholarship of Teaching and Lear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822127.webp16.1 KiB11.0 KiB
Handbook of Research on Field-Based Teacher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562498.webp16.0 KiB11.0 KiB
Teaching Literature and Language Through Multimodal Texts div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557968.webp15.8 KiB10.8 KiB
IGI Global Scientific Publishing div.container-fluid > div.d-flex > a.navbar-brand > img.imgHeaderImage
coverimages.igi-global.com/images/igi-global-logo-loc.webp14.4 KiB10.8 KiB
Measuring and Implementing Altmetrics in Library and Information Science Resear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799813095.webp14.9 KiB10.6 KiB
Inclusive Theory and Practice in Special Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799829010.webp15.4 KiB10.6 KiB
Handbook of Research on Software for Gifted and Talented School Activities in K… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814009.webp15.4 KiB10.6 KiB
Handbook of Research on Developing Engaging Online Courses div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821328.webp15.4 KiB10.6 KiB
Handmade Teaching Materials for Students With Disabilities div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562405.webp15.1 KiB10.4 KiB
Religion and Theology div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824572.webp15.0 KiB10.3 KiB
Pedagogy Development for Teaching Online Music div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522551096.webp14.5 KiB9.9 KiB
UXD and UCD Approaches for Accessible Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823254.webp14.0 KiB9.6 KiB
Handbook of Research on Citizenship and Heritage Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819783.webp12.4 KiB8.5 KiB
Slide 5 image div.slick-card > div.img-wrap > a > img
conferences.upcea.edu/regional/images/UPCEA-Logo.jpg10.9 KiB5.9 KiB

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-4-DIV
nodeLabel: Publishing Tomorrow’s Research Today Nearly 200 Open Access Journals | 10,000+ …
path: 1,HTML,1,BODY,0,FORM,12,DIV
selector: body > form#aspnetForm > div.jumbotron
snippet: <div class="jumbotron feature-banner books-banner margin-bottom-20-xs" style="background-image: url(&quot;https://coverimages.igi-global.com/images/igi-global…&quot;);">

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

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: 271 ms
URLTime Spent
igi-global.com/271 ms
www.igi-global.com/0.0 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 728 ms
URLTime Spent
www.igi-global.com/828 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Diagnostics

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

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: 560 ms 530.0 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.

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 reasonFailure type
The page has an unload handler in the main frame.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
World Forgotten Children's Foundation div.footer-rightside-container > div > a.margin-left-25 > img
coverimages.igi-global.com/images/proud-supporter-of-wfcf-20250113.png
Committee on Publication Ethics (COPE) div.footer-rightside-container > div > a.margin-left-25 > img.mobile-mt-2
coverimages.igi-global.com/images/cope-logo-footer-white.webp

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
Max Potential First Input Delay 50 ms
User Timing marks and measures 5 user timings
JavaScript execution time 0.2 s
Minimizes main-thread work 0.5 s
Avoid long main-thread tasks 1 long task found
Network Requests
Network Round Trip Times 160 ms
Server Backend Latencies 550 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid large layout shifts 1 layout shift found
INP breakdown
Avoid non-composited animations
92

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Librarians div.row > div.col > div.p-3 > h4.mb-2

These are opportunities to improve keyboard navigation in your application.

Names and labels

Form elements without effective labels can create frustrating experiences for screen reader users. Learn more about the `select` element.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Research Content Site Content div.d-flex > div#desktopSearch > div.input-group > select#ddlSearchTypeNav

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.

Best practices

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html.js html.js

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-*]` attributes match their 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
Image elements have `[alt]` attributes
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
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
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
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 buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Elements with visible text labels have matching accessible names.
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.
69

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
Slide 1 image div.slick-card > div.img-wrap > a > img
/images/april-read-and-publish-webinar-website-flyer-pane...356 x 220 (1.62)1920 x 1344 (1.43)
Slide 4 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/tache.png356 x 220 (1.62)1280 x 720 (1.78)
Slide 3 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/clemsonuniversity_cmyk__orangepurple.jpg356 x 220 (1.62)1201 x 600 (2.00)
Slide 2 image div.slick-card > div.img-wrap > a > img
coverimages.igi-global.com/images/library_partnerships_ffoapa.jpg356 x 220 (1.62)683 x 512 (1.33)
Applying the Flipped Classroom Model to English Language Arts Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522522423.webp222 x 298 (0.74)400 x 601 (0.67)
Applying the Flipped Classroom Model to English Language Arts Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522522423.webp222 x 298 (0.74)400 x 601 (0.67)
Applying the Flipped Classroom Model to English Language Arts Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522522423.webp222 x 298 (0.74)400 x 601 (0.67)
Challenges and Opportunities for Transforming From STEM to STEAM Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799825173.webp222 x 298 (0.74)400 x 574 (0.70)
Measuring and Implementing Altmetrics in Library and Information Science Resear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799813095.webp222 x 298 (0.74)400 x 574 (0.70)
Enhancements and Limitations to ICT-Based Informal Language Learning div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821168.webp222 x 298 (0.74)400 x 574 (0.70)
Managerial Challenges and Social Impacts of Virtual and Augmented Reality div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799828747.webp222 x 298 (0.74)400 x 574 (0.70)
Management Training Programs in Higher Education for the Fourth Industrial Revo… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799818755.webp222 x 298 (0.74)400 x 574 (0.70)
Managing Patients' Organizations to Improve Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799826538.webp222 x 298 (0.74)400 x 574 (0.70)
Challenges and Opportunities for Transforming From STEM to STEAM Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799825173.webp222 x 298 (0.74)400 x 574 (0.70)
Measuring and Implementing Altmetrics in Library and Information Science Resear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799813095.webp222 x 298 (0.74)400 x 574 (0.70)
Enhancements and Limitations to ICT-Based Informal Language Learning div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821168.webp222 x 298 (0.74)400 x 574 (0.70)
Managerial Challenges and Social Impacts of Virtual and Augmented Reality div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799828747.webp222 x 298 (0.74)400 x 574 (0.70)
Management Training Programs in Higher Education for the Fourth Industrial Revo… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799818755.webp222 x 298 (0.74)400 x 574 (0.70)
Managing Patients' Organizations to Improve Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799826538.webp222 x 298 (0.74)400 x 574 (0.70)
Challenges and Opportunities for Transforming From STEM to STEAM Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799825173.webp222 x 298 (0.74)400 x 574 (0.70)
Theory and Practice of Business Intelligence in Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823100.webp222 x 298 (0.74)400 x 574 (0.70)
Blockchain Technology for Global Social Change div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595786.webp222 x 298 (0.74)400 x 574 (0.70)
Theory and Practice of Business Intelligence in Healthcare div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823100.webp222 x 298 (0.74)400 x 574 (0.70)
Blockchain Technology for Global Social Change div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595786.webp222 x 298 (0.74)400 x 574 (0.70)
Handbook of Research on Developing Engaging Online Courses div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821328.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Project Management Strategies and Tools for Organizatio… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819349.webp222 x 298 (0.74)400 x 528 (0.76)
Hospital Management and Emergency Medicine div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824510.webp222 x 298 (0.74)400 x 528 (0.76)
Evidence-Based Faculty Development Through the Scholarship of Teaching and Lear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822127.webp222 x 298 (0.74)400 x 528 (0.76)
Innovations, Algorithms, and Applications in Cognitive Informatics and Natural … div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799830382.webp222 x 298 (0.74)400 x 528 (0.76)
Inclusive Theory and Practice in Special Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799829010.webp222 x 298 (0.74)400 x 528 (0.76)
Religion and Theology div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824572.webp222 x 298 (0.74)400 x 528 (0.76)
UXD and UCD Approaches for Accessible Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823254.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Citizenship and Heritage Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819783.webp222 x 298 (0.74)400 x 528 (0.76)
Enriching Teaching and Learning Environments With Contemporary Technologies div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799833833.webp222 x 298 (0.74)400 x 528 (0.76)
Preparing Students for Community-Engaged Scholarship in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822080.webp222 x 298 (0.74)400 x 528 (0.76)
CSR and Socially Responsible Investing Strategies in Transitioning and Emerging… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821939.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Developing Engaging Online Courses div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821328.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Project Management Strategies and Tools for Organizatio… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819349.webp222 x 298 (0.74)400 x 528 (0.76)
Hospital Management and Emergency Medicine div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824510.webp222 x 298 (0.74)400 x 528 (0.76)
Evidence-Based Faculty Development Through the Scholarship of Teaching and Lear… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822127.webp222 x 298 (0.74)400 x 528 (0.76)
Innovations, Algorithms, and Applications in Cognitive Informatics and Natural … div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799830382.webp222 x 298 (0.74)400 x 528 (0.76)
Inclusive Theory and Practice in Special Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799829010.webp222 x 298 (0.74)400 x 528 (0.76)
Religion and Theology div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799824572.webp222 x 298 (0.74)400 x 528 (0.76)
UXD and UCD Approaches for Accessible Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799823254.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Citizenship and Heritage Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819783.webp222 x 298 (0.74)400 x 528 (0.76)
Enriching Teaching and Learning Environments With Contemporary Technologies div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799833833.webp222 x 298 (0.74)400 x 528 (0.76)
Preparing Students for Community-Engaged Scholarship in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799822080.webp222 x 298 (0.74)400 x 528 (0.76)
CSR and Socially Responsible Investing Strategies in Transitioning and Emerging… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821939.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Developing Engaging Online Courses div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799821328.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Project Management Strategies and Tools for Organizatio… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799819349.webp222 x 298 (0.74)400 x 528 (0.76)
Diversity, Equity, and Inclusivity in Contemporary Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557241.webp222 x 298 (0.74)400 x 528 (0.76)
Gender Equity in the Medical Profession div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595991.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on the Efficacy of Training Programs and Systems in Medica… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814689.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Software for Gifted and Talented School Activities in K… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814009.webp222 x 298 (0.74)400 x 528 (0.76)
Handmade Teaching Materials for Students With Disabilities div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562405.webp222 x 298 (0.74)400 x 528 (0.76)
Identifying, Describing, and Developing Teachers Who Are Gifted and Talented div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522558798.webp222 x 298 (0.74)400 x 528 (0.76)
Technology Optimization and Change Management for Successful Digital Supply Cha… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522577003.webp222 x 298 (0.74)400 x 528 (0.76)
Promoting Productive Cooperation Between Space Lawyers and Engineers div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522572565.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Field-Based Teacher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562498.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on E-Assessment in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522559368.webp222 x 298 (0.74)400 x 528 (0.76)
Study Abroad Opportunities for Community College Students and Strategies for Gl… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562528.webp222 x 298 (0.74)400 x 528 (0.76)
Pedagogy Development for Teaching Online Music div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522551096.webp222 x 298 (0.74)400 x 528 (0.76)
Teaching Literature and Language Through Multimodal Texts div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557968.webp222 x 298 (0.74)400 x 528 (0.76)
Diversity, Equity, and Inclusivity in Contemporary Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557241.webp222 x 298 (0.74)400 x 528 (0.76)
Gender Equity in the Medical Profession div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522595991.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on the Efficacy of Training Programs and Systems in Medica… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814689.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Software for Gifted and Talented School Activities in K… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799814009.webp222 x 298 (0.74)400 x 528 (0.76)
Handmade Teaching Materials for Students With Disabilities div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562405.webp222 x 298 (0.74)400 x 528 (0.76)
Identifying, Describing, and Developing Teachers Who Are Gifted and Talented div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522558798.webp222 x 298 (0.74)400 x 528 (0.76)
Technology Optimization and Change Management for Successful Digital Supply Cha… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522577003.webp222 x 298 (0.74)400 x 528 (0.76)
Promoting Productive Cooperation Between Space Lawyers and Engineers div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522572565.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on Field-Based Teacher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562498.webp222 x 298 (0.74)400 x 528 (0.76)
Handbook of Research on E-Assessment in Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522559368.webp222 x 298 (0.74)400 x 528 (0.76)
Study Abroad Opportunities for Community College Students and Strategies for Gl… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522562528.webp222 x 298 (0.74)400 x 528 (0.76)
Pedagogy Development for Teaching Online Music div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522551096.webp222 x 298 (0.74)400 x 528 (0.76)
Teaching Literature and Language Through Multimodal Texts div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557968.webp222 x 298 (0.74)400 x 528 (0.76)
Diversity, Equity, and Inclusivity in Contemporary Higher Education div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522557241.webp222 x 298 (0.74)400 x 528 (0.76)
Gender Equity in the Medical Profession div.carousel-item > a > div.carousel-img-container > img.cover-img-b
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IGI Global Scientific Publishing div.login-background > div.text-align-left > div.text-align-center > img.logo-img
coverimages.igi-global.com/images/igi-global-logo.webp265 x 68 (3.90)494 x 141 (3.50)
Slide 5 image div.slick-card > div.img-wrap > a > img
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Start-Ups and SMEs div.carousel-item > a > div.carousel-img-container > img.cover-img-b
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Encyclopedia of Criminal Activities and the Deep Web div.carousel-item > a > div.carousel-img-container > img.cover-img-b
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Start-Ups and SMEs div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799817604.webp222 x 298 (0.74)150 x 198 (0.76)
Encyclopedia of Criminal Activities and the Deep Web div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522597155.webp222 x 298 (0.74)150 x 198 (0.76)
Start-Ups and SMEs div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781799817604.webp222 x 298 (0.74)150 x 198 (0.76)
Handbook of Research on Clinical Applications of Computerized Occlusal Analysis… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
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Handbook of Research on Clinical Applications of Computerized Occlusal Analysis… div.carousel-item > a > div.carousel-img-container > img.cover-img-b
coverimages.igi-global.com/cover-images/covers/9781522592549.webp222 x 298 (0.74)150 x 198 (0.76)

Browser Compatibility

Specifying a doctype prevents the browser from switching to quirks-mode. Learn more about the doctype declaration.

Why this matters

Performance issues directly impact user engagement and conversion rates.

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
TypeError: Cannot read properties of null (reading 'add') at e.initADA (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22847:19335) at e.init (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22847:19101) at new <anonymous> (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22847:2832) at i.fn.slick (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22847:42781) at HTMLDocument.<anonymous> (https://www.igi-global.com/:401:25) at i (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22:27449) at Object.fireWith [as resolveWith] (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22:28213) at n.ready (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22:30006) at HTMLDocument.K (https://www.igi-global.com/bundles/js/bookstore?v=txakjgrmvtg3dpg8mjb-jkht0mub4mn9g-wh8wlhfow1:22:30368)

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Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
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
Serves images with appropriate resolution
Properly defines charset
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 clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
100

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.

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
Links have descriptive text
Links are crawlable
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`
robots.txt is valid

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