Lighthouse Desktop
· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.Detailed Report
Audit breakdown by category with detailed findings.
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
video-thumbnail div.col-lg-7 > div.position-relative > div#video-container-24a23 > img.video-thumbnail | psichologie.cz/images/home/home-hero.webp | 129.0 KiB | 76.6 KiB |
Tellington TTouch div.course-card > div.part > a.img-container > img | psichologie.cz/media/v2uncwub.webp | 21.7 KiB | 17.7 KiB |
Kozokurz - Principy tréninku psů div.course-card > div.part > a.img-container > img | psichologie.cz/media/s3f0ky0c.webp | 20.5 KiB | 16.4 KiB |
Vůdce smečky div.course-card > div.part > a.img-container > img | psichologie.cz/media/1djbi02t.webp | 19.5 KiB | 15.5 KiB |
Čmuchací hry div.course-card > div.part > a.img-container > img | psichologie.cz/media/a45r3wct.webp | 18.7 KiB | 14.6 KiB |
Tahání na vodítku div.course-card > div.part > a.img-container > img | psichologie.cz/media/ktckgukq.webp | 18.6 KiB | 14.6 KiB |
Psí fitness II - rovnováha a posilování psa div.course-card > div.part > a.img-container > img | psichologie.cz/media/n1mldtup.webp | 18.1 KiB | 14.0 KiB |
Dogdancing - Psí triky 1 div.course-card > div.part > a.img-container > img | psichologie.cz/media/41fc5bkp.webp | 16.3 KiB | 12.3 KiB |
Dog puller div.course-card > div.part > a.img-container > img | psichologie.cz/media/xwnin4dz.webp | 16.2 KiB | 12.1 KiB |
Spolehlivost bez vodítka div.course-card > div.part > a.img-container > img | psichologie.cz/media/lwtf4rm5.webp | 16.1 KiB | 12.0 KiB |
Moderní trénink psa pro zaneprázdněné div.course-card > div.part > a.img-container > img | psichologie.cz/media/fh0phot1.webp | 16.0 KiB | 11.9 KiB |
Enrichment pro psy div.course-card > div.part > a.img-container > img | psichologie.cz/media/petrrqro.webp | 16.0 KiB | 11.9 KiB |
Soužití malého dítěte a psa div.course-card > div.part > a.img-container > img | psichologie.cz/media/prtkjdv0.webp | 15.8 KiB | 11.7 KiB |
Dogdancing - Psí triky 2 div.course-card > div.part > a.img-container > img | psichologie.cz/media/3brvnwqp.webp | 15.4 KiB | 11.4 KiB |
Funkční přivolání psa div.course-card > div.part > a.img-container > img | psichologie.cz/media/bcsd5wgi.webp | 15.2 KiB | 11.2 KiB |
Nosework div.course-card > div.part > a.img-container > img | psichologie.cz/media/mppskvur.webp | 19.0 KiB | 11.2 KiB |
Jak naučit psa ČEKEJ div.course-card > div.part > a.img-container > img | psichologie.cz/media/4o3kleta.webp | 15.1 KiB | 11.2 KiB |
Skákání psa při vítání div.course-card > div.part > a.img-container > img | psichologie.cz/media/x0ixcbpj.webp | 12.3 KiB | 9.1 KiB |
Vodítko jako nápověda div.course-card > div.part > a.img-container > img | psichologie.cz/media/ol0cjq1p.webp | 16.8 KiB | 8.9 KiB |
10 nejdůležitějších povelů div.course-card > div.part > a.img-container > img | psichologie.cz/media/420cjcer.webp | 16.5 KiB | 8.7 KiB |
Dog frisbee div.course-card > div.part > a.img-container > img | psichologie.cz/media/42yteqnu.webp | 11.6 KiB | 8.5 KiB |
Ošetření se souhlasem zvířete div.course-card > div.part > a.img-container > img | psichologie.cz/media/lamfu4rz.webp | 11.5 KiB | 8.5 KiB |
Alchymie socializace psů na psy div.course-card > div.part > a.img-container > img | psichologie.cz/media/5qaatroj.webp | 11.3 KiB | 8.4 KiB |
Agility školička div.course-card > div.part > a.img-container > img | psichologie.cz/media/5jpmdr32.webp | 11.2 KiB | 8.3 KiB |
Strach psa ze zvuků div.course-card > div.part > a.img-container > img | psichologie.cz/media/4nva2vk5.webp | 10.8 KiB | 8.0 KiB |
Klikr trénink div.course-card > div.part > a.img-container > img | psichologie.cz/media/3fvvv4zl.webp | 10.1 KiB | 7.4 KiB |
Komunikační signály pro pokročilé div.course-card > div.part > a.img-container > img | psichologie.cz/media/k2hed0si.webp | 14.5 KiB | 7.2 KiB |
Psí fitness I. - pes v pohybu div.course-card > div.part > a.img-container > img | psichologie.cz/media/sziitrvs.webp | 14.3 KiB | 7.2 KiB |
Kočkokurz - výchova a trénink kočky div.course-card > div.part > a.img-container > img | psichologie.cz/media/snbjiwor.webp | 12.8 KiB | 6.4 KiB |
Moje první štěně div.course-card > div.part > a.img-container > img | psichologie.cz/media/5k0yfxqj.webp | 10.1 KiB | 5.1 KiB |
13 nebezpečných věcí, kterými můžeme pejskovi ublížit div.course-card > div.part > a.img-container > img | psichologie.cz/media/jhoiiwy5.webp | 9.6 KiB | 4.8 KiB |
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
| Request | Cache TTL | Transfer Size |
|---|---|---|
| d70shl7vidtft.cloudfront.net/ecmtr-2.4.2.js | 0.0 ms | 18.4 KiB |
| cdn.vidstack.io/player/theme.css | 604800.0 s | 10.2 KiB |
| /i?stm=1788877878169&e=pv&url=https%3A%2F%2Fpsichologie.c... | 0.0 ms | 359 B |
| cdn.vidstack.io/player/video.css | 604800.0 s | 2.9 KiB |
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size |
|---|---|
| psichologie.cz/css/product-page.lx72rrazbf.css | 772 B |
| psichologie.cz/Server.wktxldxo4i.styles.css | 523 B |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
Diagnostics
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
Performance issues directly impact user engagement and conversion rates.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| psichologie.cz/_framework/blazor.web.js | 1.8 s | 1.7 s | 3.0 ms |
| Unattributable | 598 ms | 234 ms | 0.0 ms |
| psichologie.cz/ | 366 ms | 4.2 ms | 0.4 ms |
| psichologie.cz/_framework/dotnet.native.7dko1v9rxe.js | 324 ms | 322 ms | 0.2 ms |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 2.3 s |
| Other | 448 ms |
| Style & Layout | 257 ms |
| Parse HTML & CSS | 103 ms |
| Rendering | 57 ms |
| Garbage Collection | 9.1 ms |
| Script Parsing & Compilation | 9.0 ms |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| Pages with cache-control:no-store header cannot enter back/forward cache. | Actionable |
Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| psichologie.cz/css/bootstrap-custom.gubimwjwap.css | 13.8 KiB | 3.2 KiB |
Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| psichologie.cz/_framework/dotnet.native.7dko1v9rxe.js | 61.4 KiB | 27.7 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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| psichologie.cz/icons/remixicon.b1a2q9j3o5.css | 14.5 KiB | 14.4 KiB |
| psichologie.cz/css/bootstrap-custom.gubimwjwap.css | 13.5 KiB | 12.7 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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| psichologie.cz/_framework/blazor.web.js | 54.8 KiB | 40.6 KiB |
| psichologie.cz/_framework/dotnet.native.7dko1v9rxe.js | 61.4 KiB | 38.2 KiB |
| psichologie.cz/_framework/dotnet.runtime.zbexyp8zrs.js | 55.3 KiB | 35.7 KiB |
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
Kniha div.row > div.col-lg-7 > div.book-container > img.book | psichologie.cz/images/book.webp |
Podcast logo div.podcast > div.top > div.podcast-logo > img | psichologie.cz/images/home/podcast-logo.webp |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/ct1.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/social-impact-award.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/pozitivni-zpravy.png |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/nova.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/forbes.svg |
Dog div.row > div.col-12 > div.dog-container > img.doghead-smiling | psichologie.cz/images/dog-silouethes/doghead-smiling.svg |
Psíchologie logo div.col-12 > div.d-flex > div > img.psichologie-logo | psichologie.cz/images/psichologie-logo-white.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/cesky-rozhlas.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/cesky-rozhlas.svg |
Logo div.carousel-content > div.carousel-item > a.external-article > img.logo | psichologie.cz/images/logos/idnes.svg |
More information about the performance of your application. These numbers don't directly affect the Performance score.
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Prozkoumat kurzy div.mt-20 > button.btn > div.btn-content > span.content |
ZDARMA div.course-card > div.part > div.category-tags > label.small |
PRVNÍ PES div.course-card > div.part > div.category-tags > label.small |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
PRVNÍ PES div.course-card > div.part > div.category-tags > label.small |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
PROBLÉMOVÁ CHOVÁNÍ div.course-card > div.part > div.category-tags > label.small |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
Detail kurzu div.part > a.btn > div.btn-content > span.content |
10 000+ div.row > div.col-lg-5 > h2.m-0 > span.color-blue-2 |
VIDEO KURZ ZDARMA div.row > div.col-lg-7 > div.book-container > label.floating-tag |
PROČ NEBÝT VŮDCE SMEČKY div.d-flex > div.d-flex > div.flex-shrink-1 > h3.m-0 |
Nejdůležitější pravidlo pro výchovu a trénink psa div.d-flex > div.d-flex > div.flex-shrink-1 > p.mt-10 |
Odesláním souhlasíte, že vám můžeme posílat informace o psích novinkách a kurze… div.d-flex > div.d-flex > div.flex-shrink-1 > small.mt-15 |
Zásady zpracování osobních údajů div.d-flex > div.flex-shrink-1 > small.mt-15 > a.color-grey-2 |
PODCAST div.podcast > div.top > h3.m-0 > label.small |
BLOG div.blog > div.top > h3.m-0 > label.small |
Psichologie. Oceněný projekt tréninku psů bez klasických trestů přeroste Česko div.carousel-content > div.carousel-item > a.external-article > p.medium |
Rozhovor s Tomášem Nushartem v pořadu Host Lucie Výborné div.carousel-content > div.carousel-item > a.external-article > p.medium |
Psa za špatnou reakci na povel netrestejte. Můžete za to vy, ne on. div.carousel-content > div.carousel-item > a.external-article > p.medium |
Pes a pozitivní výchova a soužití div.carousel-content > div.carousel-item > a.external-article > p.medium |
KAŽDÝCH 14 DNÍ ZDARMA div.row > div.col-12 > div.bckgr-violet-1 > label.floating-tag |
Copyright © 2026 Psichologie.cz s.r.o. div.bckgr-grey-2 > div.container > div.d-flex > small |
Přijmout vše div.cookie-consent-actions > button.btn > div.btn-content > span.content |
These are opportunities to improve the legibility of your content.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
13 nebezpečných věcí, kterými můžeme pejskovi ublížit div.course-card > div.part > div > h5.mt-0 |
Separační úzkost div.course-card > div.part > div > h5.mt-0 |
Vodítko jako nápověda div.course-card > div.part > div > h5.mt-0 |
Nosework div.course-card > div.part > div > h5.mt-0 |
#118 Daniel Kortus: Jak poznat klimatickou dezinformaci a může za změnu klimatu… div.d-flex > div.d-flex > div > h5.mt-0 |
Láska na čtyřech tlapkách: První máj očima pejskařů div.blog-post-preview > div.text > a.text-decoration-none > h5.mt-0 |
tomas@psichologie.cz div.col-12 > div.d-flex > div > h5.m-0 |
These are opportunities to improve keyboard navigation in your application.
Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Kurzy div.main-menu-container > div.d-flex > nav.d-flex > a.nav-item |
Podcast div.main-menu-container > div.d-flex > nav.d-flex > a.nav-item |
Blog div.main-menu-container > div.d-flex > nav.d-flex > a.nav-item |
Kniha div.main-menu-container > div.d-flex > nav.d-flex > a.nav-item |
E-book zdarma div.main-menu-container > div.d-flex > nav.d-flex > a.nav-item |
Přihlásit se div.page > div.main-menu-container > div.d-flex > a.right-button |
Prozkoumat kurzy div.row > div.col-lg-5 > div.mt-20 > button.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Zobrazit všechny kurzy section#popularni-kurzy > div.container > div.text-center > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Zobrazit všechny kurzy section#problemove-chovani > div.container > div.text-center > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Zobrazit všechny kurzy section#trenink-a-zabava > div.container > div.text-center > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Detail kurzu div.carousel-item > div.course-card > div.part > a.btn |
Zobrazit všechny kurzy section#psi-sporty > div.container > div.text-center > a.btn |
Koupit knihu div.row > div.col-lg-5 > div.mt-40 > a.btn |
Získat e-book ZDARMA form.w-100 > div.d-flex > div.w-100 > button.btn |
Zásady zpracování osobních údajů div.d-flex > div.flex-shrink-1 > small.mt-15 > a.color-grey-2 |
Zobrazit starší epizody div.podcast > div.border-radius-24 > div.text-center > a.btn |
Láska na čtyřech tlapkách: První máj očima pejskařů div.blog-posts > div.blog-post-preview > div.text > a.text-decoration-none |
Co když pes sežere hračku? div.blog-posts > div.blog-post-preview > div.text > a.text-decoration-none |
Proč se pes točí před ulehnutím dokola? div.blog-posts > div.blog-post-preview > div.text > a.text-decoration-none |
Co když pes sežere, co nemá? div.blog-posts > div.blog-post-preview > div.text > a.text-decoration-none |
Zobrazit starší články div.row > div.blog > div.text-center > a.btn |
Psichologie. Oceněný projekt tréninku psů bez klasických trestů přeroste Česko div.carousel-wrapper > div.carousel-content > div.carousel-item > a.external-article |
Rozhovor s Tomášem Nushartem v pořadu Host Lucie Výborné div.carousel-wrapper > div.carousel-content > div.carousel-item > a.external-article |
Psa za špatnou reakci na povel netrestejte. Můžete za to vy, ne on. div.carousel-wrapper > div.carousel-content > div.carousel-item > a.external-article |
Pes a pozitivní výchova a soužití div.carousel-wrapper > div.carousel-content > div.carousel-item > a.external-article |
Přihlásit div.position-relative > form.w-100 > div.d-flex > button.btn |
Zásady zpracování osobních údajů div.left-main-flex > div.position-relative > small.mt-15 > a |
Escalate Ltd div.d-flex > div.d-none > small > a |
Kurzy div.col-12 > div.menu-container > div.col-6 > a |
Podcast div.col-12 > div.menu-container > div.col-6 > a |
Blog div.col-12 > div.menu-container > div.col-6 > a |
Kniha div.col-12 > div.menu-container > div.col-6 > a.hovno |
E-book zdarma div.col-12 > div.menu-container > div.col-6 > a |
Ochrana osobních údajů div.d-flex > div.d-flex > small > a |
Obchodní podmínky div.d-flex > div.d-flex > small > a |
Nastavení div#cookieConsentBanner > div.cookie-consent-container > div.cookie-consent-actions > button.btn |
Odmítnout vše div#cookieConsentBanner > div.cookie-consent-container > div.cookie-consent-actions > button.btn |
Přijmout vše div#cookieConsentBanner > div.cookie-consent-container > div.cookie-consent-actions > button.btn |
Best Practices
General
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.
Performance issues directly impact user engagement and conversion rates.
SEO
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.