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Lighthouse Desktop

· 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.

53

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
platform.docplanner.com/js/vendor-chunk-rs-b5ec99a7.js0.0 ms340.0 KiB
platform.docplanner.com/js/jade-app-rs-c70ee97c.js0.0 ms278.0 KiB
platform.docplanner.com/img/general/homepage/banner-doctoralia-pro.png?1881655350.0 ms107.8 KiB
platform.docplanner.com/img/it/homepage/banner-noa-notes.png?15999267110.0 ms91.8 KiB
platform.docplanner.com/js/vue-vendor-chunk-rs-a8672959.js0.0 ms79.7 KiB
platform.docplanner.com/js/jade-polyfills-rs-62e7729b.js0.0 ms58.1 KiB
platform.docplanner.com/css/jade-dpuikitv3-rs-2364b8c5.css0.0 ms55.0 KiB
cookie-cdn.cookiepro.com/scripttemplates/202604.2.0/otBannerSdk.js86400.0 s135.4 KiB
platform.docplanner.com/js/goro-homepage-02e4506e.js0.0 ms50.2 KiB
platform.docplanner.com/img/general/homepage/homepage-all-nova.svg?v=10.0 ms44.8 KiB
platform.docplanner.com/js/runtime-rs-d2c40807.js0.0 ms25.3 KiB
platform.docplanner.com/js/SearchAutocompleteModule-chunk-rs-9e809d6a.js0.0 ms16.7 KiB
platform.docplanner.com/js/53667-chunk-rs-e6d65d32.js0.0 ms13.1 KiB
platform.docplanner.com/js/Routes-chunk-rs-fddfea2a.js0.0 ms12.1 KiB
/dcdn/settings.js?a=772888&settings_type=4&ts=1787301549&...1800.0 s9.7 KiB
platform.docplanner.com/css/jade-homepage-rs-61c092d3.css0.0 ms7.1 KiB
platform.docplanner.com/js/Stats-chunk-rs-7bdcd5ae.js0.0 ms6.7 KiB
cookie-cdn.cookiepro.com/logos/static/ot_company_logo.png86400.0 s11.7 KiB
platform.docplanner.com/js/PharmaciesSearchModule-chunk-rs-2d7ffe21.js0.0 ms4.5 KiB
platform.docplanner.com/js/LazyLoad-chunk-rs-30035d7d.js0.0 ms4.2 KiB
/consent/0d2dc4ef-61b5-4c47-baf0-e14671409bbe/otSDKStub.j...86400.0 s10.1 KiB
/doctor/avatar/f5e9f5a0/f5e9f5a0-5072-445b-b19a-cb62da441...0.0 ms3.4 KiB
platform.docplanner.com/js/ViewUtils-chunk-rs-175e0eaa.js0.0 ms3.3 KiB
platform.docplanner.com/img/it/logo/logo-default-it.svg?v=80.0 ms3.1 KiB
platform.docplanner.com/js/OnlineConsultationSearchModule-chunk-rs-48fb732c.js0.0 ms2.3 KiB
platform.docplanner.com/js/HomepageTrackingController-chunk-rs-a2d745d7.js0.0 ms2.2 KiB
platform.docplanner.com/js/HubspotCTAModule-chunk-rs-e246bb60.js0.0 ms2.2 KiB
platform.docplanner.com/js/GoogleOneTapModule-chunk-rs-493cf1fb.js0.0 ms1.6 KiB
platform.docplanner.com/js/HomepageController-chunk-rs-d31b6cde.js0.0 ms1.6 KiB
platform.docplanner.com/js/Notifications-chunk-rs-1c4a5a3a.js0.0 ms1.6 KiB
platform.docplanner.com/js/WhatIsOnlineConsultationModule-chunk-rs-e60af659.js0.0 ms1.6 KiB
platform.docplanner.com/js/SearchAutocompleteController-chunk-rs-fc09ebe9.js0.0 ms1.6 KiB
platform.docplanner.com/js/Modal-chunk-rs-f91fecda.js0.0 ms1.5 KiB
platform.docplanner.com/js/HomepageDialogsContainerModule-chunk-rs-f9d21bc6.js0.0 ms1.3 KiB
platform.docplanner.com/js/GoogleOneTapController-chunk-rs-3a77d04e.js0.0 ms1.3 KiB
platform.docplanner.com/js/MixpanelTrackingModule-chunk-rs-cee0e6b4.js0.0 ms1.2 KiB
platform.docplanner.com/js/Recruitment-chunk-rs-19ef72eb.js0.0 ms1.2 KiB
platform.docplanner.com/js/UserLogin-chunk-rs-cbfd4e65.js0.0 ms1.2 KiB
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?19819526130.0 ms1.2 KiB
platform.docplanner.com/js/OpinionsController-chunk-rs-19f4fca5.js0.0 ms1.2 KiB
platform.docplanner.com/js/HubspotCTA-chunk-rs-1df1a526.js0.0 ms1.2 KiB
platform.docplanner.com/js/NewDoctorsWidgetModule-chunk-rs-85cea359.js0.0 ms1.2 KiB
platform.docplanner.com/js/Mixpanel-chunk-rs-b7401073.js0.0 ms1.1 KiB
platform.docplanner.com/css/Notifications-rs-d4a50040.css0.0 ms1.1 KiB
cookie-cdn.cookiepro.com/logos/static/powered_by_logo.svg86400.0 s2.7 KiB
platform.docplanner.com/js/HomepageSearchFormModule-chunk-rs-49fb83e1.js0.0 ms1.0 KiB
platform.docplanner.com/js/Config-it-chunk-rs-60b560aa.js0.0 ms1.0 KiB
platform.docplanner.com/js/RecruitmentEasterEgg-chunk-rs-9f5ac982.js0.0 ms1002 B
platform.docplanner.com/js/FloatingCookiesInfoController-chunk-rs-29838ac9.js0.0 ms1001 B
platform.docplanner.com/js/TopNavigation-chunk-rs-5124e07a.js0.0 ms991 B
platform.docplanner.com/css/SearchAutocompleteModule-rs-8a6829bf.css0.0 ms819 B
platform.docplanner.com/css/OnlineConsultationSearchModule-rs-856634f1.css0.0 ms640 B
platform.docplanner.com/css/PharmaciesSearchModule-rs-5c7397c2.css0.0 ms592 B
platform.docplanner.com/css/WhatIsOnlineConsultationModule-rs-b8506c27.css0.0 ms550 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.

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:114.496 source:map[type:text value:[unattributed]]]]

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: main > section#intro > div > div.intro-bkg
path: 1,HTML,1,BODY,10,MAIN,0,SECTION,0,DIV,0,DIV
selector: main > section#intro > div > div.intro-bkg
snippet: <div class="intro-bkg intro-bkg-offline-consultation active" data-intro-bkg="office-visit" style="background-image: url(&quot;//platform.docplanner.com/img/general/homepage/home…&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.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
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
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.

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
div.d-flex > div.col-12 > div.mb-2 > img.w-100 div.d-flex > div.col-12 > div.mb-2 > img.w-100
platform.docplanner.com/img/general/homepage/banner-doctoralia-pro.png?188165535107.5 KiB90.3 KiB
div.d-flex > div.col-12 > div.mb-2 > img.w-100 div.d-flex > div.col-12 > div.mb-2 > img.w-100
platform.docplanner.com/img/it/homepage/banner-noa-notes.png?159992671191.4 KiB74.3 KiB
Stefano Chiaramonte div.media > div.pr-1 > span.avatar > img.lazyloaded
/miodottore.it/doctor/9304bd/9304bd3020c8c4bd8882d2bf6f0a...8.6 KiB8.4 KiB
Francesco Cinelli div.media > div.pr-1 > span.avatar > img.lazyloaded
/miodottore.it/doctor/a9dd3d/a9dd3d275434200b862b519412d0...6.8 KiB6.7 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: 671 ms
URLTime Spent
miodottore.it/671 ms
www.miodottore.it/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 59.5 KiB
URLTransfer SizeEst Savings
platform.docplanner.com/css/jade-dpuikitv3-rs-2364b8c5.css54.6 KiB40.0 KiB
22.7 KiB19.5 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.

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

CategoryTime Spent
Script Evaluation1.7 s
Other354 ms
Style & Layout244 ms
Script Parsing & Compilation230 ms
Garbage Collection67 ms
Parse HTML & CSS47 ms
Rendering39 ms

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
div.d-flex > div.col-12 > div.mb-2 > img.w-100 div.d-flex > div.col-12 > div.mb-2 > img.w-100
platform.docplanner.com/img/general/homepage/banner-doctoralia-pro.png?188165535
div.d-flex > div.col-12 > div.mb-2 > img.w-100 div.d-flex > div.col-12 > div.mb-2 > img.w-100
platform.docplanner.com/img/it/homepage/banner-noa-notes.png?1599926711
Francesco Cinelli div.media > div.pr-1 > span.avatar > img.lazyloaded
/miodottore.it/doctor/a9dd3d/a9dd3d275434200b862b519412d0...
Stefano Chiaramonte div.media > div.pr-1 > span.avatar > img.lazyloaded
/miodottore.it/doctor/9304bd/9304bd3020c8c4bd8882d2bf6f0a...
Enrico Casadei div.media > div.pr-1 > span.avatar > img.lazyloaded
/doctor/avatar/f5e9f5a0/f5e9f5a0-5072-445b-b19a-cb62da441...
Dott.ssa Veronica Sophia Sabellico div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Gaia Camille Bomben div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Paola Bellamoli div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott. Piergiorgio Andrisano div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Loretta Ferretti div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Barbara Re div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Simona Ledda div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Sofia Ingrosso div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Giuseppina Fiorillo div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Paola Lo Giudice div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Ivana Sacchi div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Paola Cazzol div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Federica Ceretta div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott. Pasquale Ruberto div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Martina Viganò div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Daniele Mazzucco div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dr. Matteo Mariani div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Silvia Muggianu div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dott.ssa Grazia Caruso div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
Dr. Eugenio Uggenti div.media > div.pr-1-5 > span.mb-1 > img.lazyload
platform.docplanner.com/img/general/doctor/doctor-default-80-80.png?1981952613
div.media > div.pr-1 > span.avatar > img.lazyloaded div.media > div.pr-1 > span.avatar > img.lazyloaded
/miodottore.it/doctor/b0af98/b0af98041e997ab8c1ecfe7a1e85...
div.media > div.pr-1 > span.avatar > img.lazyload div.media > div.pr-1 > span.avatar > img.lazyload

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Layout shift culprits
●Optimize DOM size
●Font display
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●User Timing marks and measures 1 user timing
●Avoid long main-thread tasks 11 long tasks found
●Avoid non-composited animations 1 animated element found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 140 ms
●Server Backend Latencies 460 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 10 ms
○INP breakdown
○Avoid large layout shifts
68

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
es. prestazione, medico, struttura div.search-flex-row > div.specialists-col > div.query-dropdown > div.dropdown-toggle
es: Roma div.search-flex-row > div.city-col > div.search-autocomplete-dropdown > div.dropdown-toggle

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
In studio In studio Online Online Farmacie Farmacie div.row > div.col-lg-8 > div#homepage-search > ul.d-flex

Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
In studio In studio div#homepage-search > ul.d-flex > li > button.btn
Online Online div#homepage-search > ul.d-flex > li > button.btn
Farmacie Farmacie div#homepage-search > ul.d-flex > li > button.btn

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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.container > div.row > div.dp-carousel > button.dp-carousel-nav div.container > div.row > div.dp-carousel > button.dp-carousel-nav

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.

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
Rifiuto div#onetrust-button-group-parent > div#onetrust-button-group > div.banner-actions-container > button#onetrust-reject-all-handler
Accetto div#onetrust-button-group-parent > div#onetrust-button-group > div.banner-actions-container > button#onetrust-accept-btn-handler

Low-contrast text is difficult or impossible for many users to read. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Altro div.comment-container > blockquote.unstyled-blockquote > p > a.text-underline
Altro div.comment-container > blockquote.unstyled-blockquote > p > a.text-underline

These are opportunities to improve the legibility of your content.

Tables and lists

Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
In studio In studio div.col-lg-8 > div#homepage-search > ul.d-flex > li
Online Online div.col-lg-8 > div#homepage-search > ul.d-flex > li
Farmacie Farmacie div.col-lg-8 > div#homepage-search > ul.d-flex > li

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Best practices

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta head > meta

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
●Image elements have `[alt]` attributes
●Form elements have associated labels
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[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 have a discernible name
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●No element has a `[tabindex]` value greater than 0
●Touch targets have sufficient size and spacing.
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
●Elements with visible text labels have matching accessible names.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○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
○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>`.
○All heading elements contain content.
○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.
96

Best Practices

General

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
Not signed in with the identity provider.
●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 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
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
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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