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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.

44

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
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epson.com/_ui/_v202604061543/responsive/common/js/mobile-detect.min.js86400.0 s16.0 KiB
epson.com/_ui/_v202604061543/responsive/common/js/URI.js86400.0 s15.9 KiB
cdnssl.clicktale.net/ptc/7ec0b3fc-21b0-421f-b51c-29af20d8f5a4.js900.0 s6.8 KiB
tags.tiqcdn.com/utag/epson/northamerica/prod/utag.24.js?utv=ut4.51.202601220347300.0 s6.2 KiB
js.zi-scripts.com/zi-tag.js0.0 ms5.7 KiB
tags.tiqcdn.com/utag/epson/secglobal/prod/utag.4.js?utv=ut4.46.201812202215300.0 s5.8 KiB
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epson.com/_ui/_v202604061543/responsive/common/js/acc.carousel.min.js86400.0 s1.1 KiB
/_ui/_v202604061543/addons/assistedservicestorefront/resp...86400.0 s1.1 KiB
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epson.com/roducing-Mur-see-thes-Station-Porth-que-speepini203.0 s0 B
epson.com/global/common/images/globalMap-map-bg.png0.0 ms0 B

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:44.744 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
Goodbye Cartridges. Hello Savings1. Introducing Our Next Generation of Epson E… body.page-homepage > main > div.dx-cta-outer > section#cpt8815593980988
/adaptivemedia/rendition?id=a516ba211e8116bbded228bc37a44...1.0 MiB536.5 KiB
Personal & Portable Lifestyle Projectors Shop Now body.page-homepage > main > div#cpt8815563473980 > section.flexi-banner-outer
/adaptivemedia/rendition?id=6ca97c00c19822d08e045c3a56cf8...1.0 MiB435.8 KiB
Epson Ink div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=ebe95d4a0b4a3170220002e2619dd...477.1 KiB377.7 KiB
Introducing the Epson Certified ReNew Program Product Refurbishment. Done Rig… body.page-homepage > main > div.dx-cta-outer > section#cpt8815594079292
/adaptivemedia/rendition?id=3c180dbc6babfbe0b25809eb91b49...277.6 KiB147.7 KiB
Epson Label Printers div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=dc3c8f420aee6bec86f5899af137f...87.4 KiB71.4 KiB
Epson Paper div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=2da7be862fafb7e8fe826fd6d3abf...45.3 KiB29.3 KiB
ReadyPrint Logo section#cpt8815594177596 > div.dx-module-content > div.dx-element-group > img
/adaptivemedia/rendition?id=ee83031969aa8f7b39bea1e17fe4b...26.9 KiB22.6 KiB
Epson Point of Sale div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=3a56472bda365f1847d8e1fa95010...77.7 KiB16.6 KiB
Epson Scanner div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=8298300877158eb3ec39c77b117cc...30.3 KiB14.3 KiB
Epson Printer div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=542041b37c7ea56d2f0bf609154c3...26.8 KiB10.8 KiB
New div.module-text-content > div.dx-element-group > a > img
/adaptivemedia/rendition?id=604ec363eb27b32ea1183a64ea9f5...8.5 KiB6.4 KiB
Epson Logo div.wf-site-logo > div.simple-banner-component > a#epsonLogoImage > img
/adaptivemedia/rendition?id=8c7ad5b2af1e4e117c60c715c5d07...6.6 KiB6.2 KiB
Epson Wide Format Printer div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=4da27da0b8fdf437ef70c8204f65b...20.4 KiB4.4 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-0-SECTION
nodeLabel: Goodbye Cartridges. Hello Savings1. Introducing Our Next Generation of Epson E…
path: 2,HTML,1,BODY,15,MAIN,12,DIV,0,SECTION
selector: body.page-homepage > main > div.dx-cta-outer > section#cpt8815593980988
snippet: <section class="dx-component dx-module-cta bg-image MIDDLE left-content-container cta-ba…" id="cpt8815593980988" style="background-color: rgb(255, 255, 255); background-image: url(&quot;https://mediaserver.goeps…&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: 1.1 s
URLTime Spent
epson.com/1.1 s
epson.com/usa0.0 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

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.

Estimated savings: 40 ms 36.2 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 200 ms 235.7 KiB
URLTransfer SizeEst Savings
epson.com/_ui/_v202604061543/responsive/theme-blue/css/style.css219.6 KiB214.1 KiB
24.4 KiB21.6 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.

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 Evaluation3.9 s
Other819 ms
Script Parsing & Compilation411 ms
Style & Layout285 ms
Parse HTML & CSS128 ms
Garbage Collection109 ms
Rendering46 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
The page has an unload handler in the main frame.Actionable
Pages with cache-control:no-store header cannot enter back/forward cache.Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.Not actionable

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
Epson Ink div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=ebe95d4a0b4a3170220002e2619dd...
person in a lab coat working on a computer article#cpt8804976755772 > div.variable-tile-outer > div.variable-tile-inner > img
/adaptivemedia/rendition?id=fe1950510ebd16fee476e213b059c...
a mountain in the distance article#cpt8805533156412 > div.variable-tile-outer > div.variable-tile-inner > img
/adaptivemedia/rendition?id=4de09dfc3a10e95903992a4a84ebf...
Epson Point of Sale div.item > a.carousel-item-link > div.thumb > img
/adaptivemedia/rendition?id=3a56472bda365f1847d8e1fa95010...

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

Layout shift culprits
Document request latency
Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
User Timing marks and measures 26 user timings
Avoid long main-thread tasks 19 long tasks found
Avoid non-composited animations 1 animated element found
Network Requests
Network Round Trip Times 80 ms
Server Backend Latencies 790 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 310 ms
Avoid large layout shifts 15 layout shifts found
INP breakdown
100

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.

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
All Printers div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
Ink Finder div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
Projectors & Displays div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
Scanners div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
Professional Imaging div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
Business Printers div.owl-wrapper > div.owl-item > div.item > a.carousel-item-link
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.
Select elements have associated label elements.
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
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 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
ARIA IDs are unique
Identical links have the same purpose.
`[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 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
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
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.
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.
77

Best Practices

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
AttributionReporting
Unload event listeners are deprecated and will be removed.
SharedStorage

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
Attestation check for Shared Storage on https://ara.paa-reporting-advertising.amazon failed.
Uncaught Error: [Twitter Pixel Tag]: No Pixel ID Found

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.

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
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
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
83

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
div.wf-mega-menu-row > div.wf-mega-menu-secondary > div.wf-main-nav-action > a.wf-main-nav-action-back
div.wf-mega-menu-row > div.wf-mega-menu-secondary > div.wf-main-nav-action > a.wf-main-nav-action-back
div.wf-mega-menu-row > div.wf-mega-menu-secondary > div.wf-main-nav-action > a.wf-main-nav-action-back
div.wf-mega-menu-row > div.wf-mega-menu-secondary > div.wf-main-nav-action > a.wf-main-nav-action-back

To appear in search results, crawlers need access to your app.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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