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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.

36

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.

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:30.319 source:map[column:10706 line:738 type:source-location url:https://assets.gorgias.chat/build/static/js/557.6de1f9ffeac828e3.js 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:183.825 source:map[type:text value:[unattributed]]] map[reflowTime:1.973 source:map[column:33475 line:1 type:source-location url:https://jeffreestarcosmetics.com/cdn/shop/t/245/assets/app.min.js?v=133357266328410620261769777168 urlProvider:network]] map[reflowTime:38.749 source:map[column:33791 line:1 type:source-location url:https://jeffreestarcosmetics.com/cdn/shop/t/245/assets/app.min.js?v=133357266328410620261769777168 urlProvider:network]] map[reflowTime:1.701 source:map[column:33930 line:1 type:source-location url:https://jeffreestarcosmetics.com/cdn/shop/t/245/assets/app.min.js?v=133357266328410620261769777168 urlProvider:network]] map[reflowTime:0.467 source:map[column:60897 line:1 type:source-location url:https://jeffreestarcosmetics.com/cdn/shop/t/245/assets/app.min.js?v=133357266328410620261769777168 urlProvider:network]] map[reflowTime:30.635 source:map[column:10894 line:737 type:source-location url:https://assets.gorgias.chat/build/static/js/557.6de1f9ffeac828e3.js urlProvider:network]]]

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
'Make Me Melt' Watermelon Removing Balm div.h-full > div.slide > div.images > img.h-full
/cdn/shop/files/BUNDLES_72139ded-fa03-4ad2-8abf-9e89cafa2...189.3 KiB104.4 KiB
div.h-full > div.slide > div.images > img.h-full div.h-full > div.slide > div.images > img.h-full
/cdn/shop/files/JSC_NightOwl_Concept_2_Opt_2_corrected.jp...223.6 KiB91.0 KiB
ol.scrollwatch > li.relative > a > img.h-full ol.scrollwatch > li.relative > a > img.h-full
/cdn/shop/files/1_ABDUCTION_SOCIAL.jpg?v=1775601195&width...132.2 KiB56.3 KiB
ol.scrollwatch > li.relative > a > img.h-full ol.scrollwatch > li.relative > a > img.h-full
/cdn/shop/files/Artboard_4_copy.png?v=1751216818&width=83290.3 KiB33.5 KiB
div.no-scrollbar > li.snap-center > a.group > img.mx-auto div.no-scrollbar > li.snap-center > a.group > img.mx-auto
/cdn/shop/files/Artboard_4_copy.png?v=1751216818&width=24018.0 KiB8.7 KiB
Night Owl Collection div.no-scrollbar > li.snap-center > a.group > img.mx-auto
/cdn/shop/collections/BUNDLES_2_1e81883b-b77b-44b6-ba61-f...16.3 KiB6.9 KiB
ol.scrollwatch > li.relative > a > img.h-full ol.scrollwatch > li.relative > a > img.h-full
/cdn/shop/files/Untitled_design_2.png?v=1763072086&width=83280.6 KiB4.7 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:74.213 label:Time to first byte subpart:timeToFirstByte] map[duration:522.157 label:Resource load delay subpart:resourceLoadDelay] map[duration:865.759 label:Resource load duration subpart:resourceLoadDuration] map[duration:1497.202 label:Element render delay subpart:elementRenderDelay]]
lhId: page-7-IMG
nodeLabel: div.h-full > div.slide > div.images > img.h-full
path: 1,HTML,1,BODY,4,MAIN,0,DIV,0,HERO-CAROUSEL,1,DIV,1,DIV,0,DIV,1,IMG
selector: div.h-full > div.slide > div.images > img.h-full
snippet: <img src="https://jeffreestarcosmetics.com/cdn/shop/files/2_079976fa-3be4-4cf1-bbe1-…" alt="" srcset="//jeffreestarcosmetics.com/cdn/shop/files/2_079976fa-3be4-4cf1-bbe1-6509e3…" width="1024" height="1024" sizes="110vw" class="h-full object-cover ease-[cubic-bezier(.48,.41,.6,1.55)] duration-[5000ms]…">

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-7-IMG
nodeLabel: div.h-full > div.slide > div.images > img.h-full
path: 1,HTML,1,BODY,4,MAIN,0,DIV,0,HERO-CAROUSEL,1,DIV,1,DIV,0,DIV,1,IMG
selector: div.h-full > div.slide > div.images > img.h-full
snippet: <img src="https://jeffreestarcosmetics.com/cdn/shop/files/2_079976fa-3be4-4cf1-bbe1-…" alt="" srcset="//jeffreestarcosmetics.com/cdn/shop/files/2_079976fa-3be4-4cf1-bbe1-6509e3…" width="1024" height="1024" sizes="110vw" class="h-full object-cover ease-[cubic-bezier(.48,.41,.6,1.55)] duration-[5000ms]…">

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.

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

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 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.

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
jeffreestarcosmetics.com/10.9 s201 ms15 ms
Unattributable3.1 s102 ms0.0 ms
jeffreestarcosmetics.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js1.1 s675 ms21 ms
assets.gorgias.chat/build/static/js/279.6ba6eb825556cdb4.js416 ms380 ms30 ms
www.googletagmanager.com/gtag/js?id=G-81RXDPTBJQ322 ms246 ms73 ms
/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc0...320 ms157 ms2.5 ms
cdn-swell-assets.yotpo.com/app.v1.0.368.js307 ms106 ms186 ms
/cdn/shopifycloud/storefront/assets/shop_events_listener-...297 ms245 ms1.2 ms
static.klaviyo.com/onsite/js/1011.fa12d00c7a08724d2839.js262 ms222 ms2.0 ms
/cdn/shop/t/245/assets/app.min.js?v=133357266328410620261...259 ms84 ms0.3 ms
cdn.rebuyengine.com/onsite/js/global.js?build=1775594982241 ms175 ms59 ms
jeffreestarcosmetics.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.3.1.min.js240 ms170 ms6.5 ms
www.googletagmanager.com/gtag/destination?id=MC-0MGTFZ50PE&cx=c&gtm=4e6470h2234 ms204 ms28 ms
assets.gorgias.chat/build/static/js/902.7f472a6eec264a7c.js225 ms221 ms3.3 ms
assets.gorgias.chat/build/static/js/render-chat-app.0183ee22fd9d81d0.js215 ms212 ms1.0 ms
www.googletagmanager.com/gtag/destination?id=AW-325015524&cx=c&gtm=4e6470h2202 ms161 ms39 ms
/js/gdpr_cookie_consent.min.js?shop=jeffree-star-cosmetic...194 ms156 ms23 ms
/cdn/s/trekkie.storefront.e683ac02f599017ff9915d0144977db...185 ms113 ms26 ms
/_shopify_app_ressources/osaria_sap_v2/mediaelement-osari...164 ms79 ms58 ms
/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc0...157 ms74 ms3.8 ms
connect.facebook.net/en_US/fbevents.js140 ms107 ms32 ms
/cdn/shopifycloud/shop-js/modules/v2/chunk.index_4uAqGWkW...122 ms66 ms0.4 ms
assets.gorgias.chat/build/static/js/vendor-react-core.820de3d88eb95c8f.js119 ms15 ms29 ms
/browse-abandonment/smsbump_timer.js?shop=jeffree-star-co...118 ms101 ms2.0 ms
/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc0...114 ms86 ms16 ms
/signals/config/336094328318530?v=2.9.293&r=stable&domain...114 ms97 ms16 ms
ga.jspm.io/npm:es-module-shims@1.8.2/dist/es-module-shims.js92 ms73 ms3.4 ms
cdn.506.io/eg/script.js?shop=jeffree-star-cosmetics.myshopify.com&v=988 ms64 ms24 ms
cdn.rebuyengine.com/onsite/js/SmartBanner.js?id=dd11f8d42c5e0a8cb99b84 ms80 ms0.4 ms
media.9gtb.com/script.js?rev=9b8201f65 ms50 ms15 ms
cdn.rebuyengine.com/onsite/js/vendor-jquery.js?id=f643b7c5754fea9c562c62 ms50 ms6.4 ms
/gorgias-chat-bundle.js?rev=46bdb61c&appKey=01J184PA3Z91P...61 ms57 ms3.1 ms
/cdn/shopifycloud/consent-tracking-api/v0.1/consent-track...60 ms57 ms0.2 ms
/cdn/shopifycloud/storefront/assets/shopify_pay/storefron...56 ms50 ms5.8 ms
/v1/loader/Uoj2LIVgKqLoj9pAFJtdwcwQuFgM2rWonz3rUKvA54 ms20 ms34 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
Other8.5 s
Script Evaluation5.7 s
Style & Layout4.1 s
Rendering2.0 s
Script Parsing & Compilation957 ms
Garbage Collection279 ms
Parse HTML & CSS267 ms

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: 0.0 ms 2.1 KiB
URLTransfer SizeEst Savings
cdn.jsdelivr.net/npm/remixicon/fonts/remixicon.css20.3 KiB2.1 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: 0.0 ms 47.4 KiB

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
Modern HTTP
Optimize viewport for mobile
User Timing marks and measures 50 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 2 animated elements found
Image elements have explicit `width` and `height`
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 120 ms
Server Backend Latencies 290 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid multiple page redirects
Initial server response time was short Root document took 30 ms
Avoid large layout shifts 3 layout shifts found
INP breakdown
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.

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
THE FESTIVAL SHOP main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
C*NT COLLECTION main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
TRAVEL SKINCARE main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
WYOMING WINTER COLLECTION main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
NIGHT OWL COLLECTION main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
WAKE YOUR ASS UP SKINCARE main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
VELOUR LIP LINER main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
COWGIRL QUEEN COLLECTION main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center
EYEBROW main#main-content > section#shopify-section-template--17858691924095__category_circles_hhbDzW > div.no-scrollbar > li.snap-center

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

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
NIGHT OWL ARTISTRY PALETTE ol.carousel-scroll-track > li#template--17858691924095__featured_collection_j7kGJG-8161079492735- > div > a
LIP OILS ol.carousel-scroll-track > li#template--17858691924095__featured_collection_KRdAga-8160972439679- > div > a
'MAKE ME MELT' WATERMELON REMOVING BALM ol.carousel-scroll-track > li#template--17858691924095__featured_collection_w9V6N7-8160914538623- > div > a
WYOMING WINTER CREAM CLEANSER ol.carousel-scroll-track > li#template--17858691924095__featured_collection_ReaA6m-8161116094591- > div > a
ULTIMATE LIQUID LIP BALM BUNDLE ol.carousel-scroll-track > li#template--17858691924095__featured_collection_9xPCnH-8161136640127- > div > a
SIGN ME UP div.flex > sign-up.flex > form > button.btn
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
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
`<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>`).
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
Image elements do not have `[alt]` attributes that are redundant text.
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
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.
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

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
Failed to load resource: net::ERR_CERT_COMMON_NAME_INVALID
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
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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