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Lighthouse Mobile

· 0 checks — Mobile 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.

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.

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

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
s.adplay.it/medicitalia/adplay.js1800.0 s396.7 KiB
clickiocmp.com/t/consent_248084.js60.0 s90.5 KiB
client.aps.amazon-adsystem.com/publisher.js3600.0 s84.2 KiB
news.google.com/swg/js/v1/swg-basic.js3000.0 s79.7 KiB
cdn.id5-sync.com/api/1.0/id5-api.js3600.0 s34.5 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
codicebusiness.shinystat.com/cgi-bin/getcod.cgi?USER=medicitalia&NODW=yes30.0 s10.1 KiB
tags.crwdcntrl.net/lt/c/16576/sync.min.js86400.0 s13.5 KiB
news.google.com/swg/js/v1/swg-button.css3000.0 s5.2 KiB
clickiocmp.com/t/static/cmp/diagnostic-core.js1800.0 s3.3 KiB
config.aps.amazon-adsystem.com/configs/6d0c7ea7-f036-437d-be93-21fc59c890c23600.0 s3.5 KiB
news.google.com/swg/js/v1/swg-mini-prompt.css3000.0 s950 B
advm.brznetwork.com/commons/adsense.png0.0 ms332 B
/hadron.js?url=https%3A%2F%2Fwww.medicitalia.it%2F&ref=&_...432000.0 s186 B

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
Gliosi ed esiti gliotici: quando preoccuparsi? div.mb-3 > div.row > div.col-4 > img.card-img
static.medicitalia.it/public/img/272x153/esiti-gliotici-astrociti.webp16.4 KiB15.2 KiB
Prevenzione demenza. div.row > div.col-12 > div.card > img.card-img-top
static.medicitalia.it/public/img/576x324/prevenzione-demenza.webp21.6 KiB12.1 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 837 ms
URLTime Spent
medicitalia.it/837 ms
www.medicitalia.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: 160 ms 35.2 KiB
URLTransfer SizeEst Savings
static.medicitalia.it/libs/bootstrap/4.6.1/css/bootstrap-light.min.css22.9 KiB21.1 KiB
static.medicitalia.it/_theme/custom.min.css?ver=178585594116.1 KiB14.1 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
clickiocmp.com/t/consent_248084.js784 ms576 ms25 ms
Unattributable678 ms243 ms0.0 ms
s.adplay.it/medicitalia/adplay.js512 ms340 ms156 ms
www.medicitalia.it/460 ms23 ms8.5 ms
client.aps.amazon-adsystem.com/publisher.js381 ms336 ms36 ms
/pagead/managed/js/gpt/m202608050101/pubads_impl.js?cb=12...236 ms171 ms62 ms
news.google.com/swg/js/v1/swg-basic.js140 ms108 ms26 ms
securepubads.g.doubleclick.net/tag/js/gpt.js103 ms92 ms11 ms
codicebusiness.shinystat.com/cgi-bin/getcod.cgi?USER=medicitalia&NODW=yes82 ms74 ms3.5 ms
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js73 ms65 ms6.0 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

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation2.1 s
Other638 ms
Script Parsing & Compilation357 ms
Style & Layout263 ms
Garbage Collection89 ms
Rendering71 ms
Parse HTML & CSS58 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
Pages with cache-control:no-store header cannot enter back/forward cache.Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.Not actionable

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 2.4 KiB
URLTransfer SizeEst Savings
codicebusiness.shinystat.com/cgi-bin/getcod.cgi?USER=medicitalia&NODW=yes9.9 KiB2.4 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 525.8 KiB
URLTransfer SizeEst Savings
s.adplay.it/medicitalia/adplay.js396.3 KiB275.7 KiB
/pagead/managed/js/gpt/m202608050101/pubads_impl.js?cb=12...199.0 KiB151.1 KiB
news.google.com/swg/js/v1/swg-basic.js77.0 KiB40.0 KiB
clickiocmp.com/t/consent_248084.js90.3 KiB32.7 KiB
client.aps.amazon-adsystem.com/publisher.js44.2 KiB26.2 KiB

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
●Forced reflow
●LCP breakdown
●LCP request discovery
●Modern HTTP
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●Avoids enormous network payloads Total size was 1,607 KiB
●User Timing marks and measures 6 user timings
●Avoid long main-thread tasks 12 long tasks found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 70 ms
●Server Backend Latencies 100 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 40 ms
○INP breakdown
○Avoid non-composited animations
○Avoid large layout shifts
97

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Abbiamo a cuore la tua privacy div#cl-consent > div.cl-consent__inner > div.cl-consent-popup > h3.cl-consent__title
Noi e i nostri partner archiviamo e/o accediamo a informazioni su un dispositiv… div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p
nostri partner div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p > a.cl-consent-local-link
Con il tuo consenso, i tuoi dati possono essere utilizzati per quanto segue: Pu… div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p
I tuoi dati personali verranno trattati e le informazioni dal tuo dispositivo (… div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p
480 partner div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p > a.cl-consent-local-link
Informativa sulla Privacy div.cl-consent-popup > div.cl-consent__descr > p.cl-consent-node-p > a.cl-consent-node-a
Personalizza div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__buttons > a.cl-consent__btn
Accetta div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__buttons > a.cl-consent__btn
Sei già abbonato? div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__paywall > div.cl-consent__paywall-text
Accedi div.cl-consent__inner > div.cl-consent-popup > div.cl-consent__paywall > a.cl-consent__paywall-link
Rifiuta e iscriviti div#cl-consent > div.cl-consent__inner > div.cl-consent-popup > button.cl-consent__close-link

These are opportunities to improve the legibility of your content.

○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.
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●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.
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
○`[accesskey]` values are unique
○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
○`<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.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Identical links have the same purpose.
○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.
88

Best Practices

User Experience

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLDisplayed sizeActual sizeExpected size
Foto profilo Dr. Mauro Colangelo div.card > div.card-body > p.card-text > img.rounded-circle
static.medicitalia.it/public/fototessere/miniature/maurocolangelo.webp48 x 4650 x 4872 x 69

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
s.adplay.it/medicitalia/adplay.js line 274, col 11249
Creating a worker from 'blob:https://www.medicitalia.it/fbbc3972-f446-486e-86bd-ba05a4ad6fbd' violates the following Content Security Policy directive: "script-src * 'unsafe-inline' 'unsafe-eval'". Note that 'worker-src' was not explicitly set, so 'script-src' is used as a fallback. Note that '*' matches only URLs with network schemes ('http', 'https', 'ws', 'wss'), or URLs whose scheme matches `self`'s scheme. The scheme 'blob:' must be added explicitly. The action has been blocked.

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy
●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
●Page has the HTML doctype
●Properly defines charset
●Ensure CSP is effective against XSS attacks
●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
○Use a strong HSTS policy
○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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