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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.

19

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
cdn.optimizely.com/js/22916101539.js120.0 s105.1 KiB
cdn.optimizely.com/js/22916101539.js120.0 s104.9 KiB
xp2023-pix.s3.amazonaws.com/px_Hp5RH.js0.0 ms86.9 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s95.0 KiB
edge.fullstory.com/s/fs.js3600.0 s79.9 KiB
edge.fullstory.com/s/fs.js3600.0 s79.9 KiB
onsite.joinground.com/ground.js0.0 ms63.5 KiB
us-assets.i.posthog.com/static/array.js300.0 s64.8 KiB
static.clairedefermat.com/pixel/v2/pixel.js3600.0 s69.9 KiB
cdn.cookielaw.org/scripttemplates/202601.2.0/otBannerSdk.js86400.0 s128.4 KiB
us-assets.i.posthog.com/static/surveys.js?v=1.364.6300.0 s31.8 KiB
/signals/config/391121354387940?v=2.9.291&r=stable&domain...1200.0 s27.7 KiB
d.impactradius-event.com/A1136556-ce1d-4c9e-a7c0-5271963f3d2d1.js900.0 s25.7 KiB
www.redditstatic.com/ads/pixel.js60.0 s19.0 KiB
/rec/integrations?OrgId=o-1WSDXJ-na1&isInFrame=false&isNa...0.0 ms14.4 KiB
edge.fullstory.com/datalayer/v4/latest.js3600.0 s13.5 KiB
/proxy/4f92b4d6336e96a4734ba830419e56171b324b1cbef7c69908...600.0 s6.5 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js86400.0 s9.1 KiB
us-assets.i.posthog.com/static/dead-clicks-autocapture.js?v=1.364.614400.0 s5.2 KiB
static.klaviyo.com/onsite/js/Sn6eFZ/klaviyo.js?company_id=Sn6eFZ1.0 s2.7 KiB
us-assets.i.posthog.com/static/web-vitals.js?v=1.364.6300.0 s2.6 KiB
static.klaviyo.com/onsite/js/klaviyo.js?company_id=Sn6eFZ1.0 s2.4 KiB
static.myshlf.us/Affiliates/sms_aff_clicktrack.js300.0 s2.4 KiB
/a/elevar/static/configs/9e6c6f07355a20b35b0a32882a6c2e2c...1.0 s2.0 KiB
/configs/9e6c6f07355a20b35b0a32882a6c2e2c8278012f/config.js1.0 s1.6 KiB
/merchant/cookieConsentScript?merchantId=1546&country=US&...300.0 s1.4 KiB
/a/elevar/static/configs/9e6c6f07355a20b35b0a32882a6c2e2c...1.0 s1.2 KiB
cdn.blisspointmedia.com/assets/img/pixel.gif0.0 ms1.1 KiB
/logos/501b1e1c-3afa-46a5-9532-37d720241ba6/651014cc-5f74...86400.0 s2.2 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.1 KiB
/array/phc_jDLcwdhyM7Tr7YGVJOvN9HduieQ7AhG3mBp8l8wrAQA/co...300.0 s731 B
/rp.gif?ts=1775319919187&id=t2_3j2avnpr&event=PageVisit&m...0.0 ms637 B
shop.app/checkouts/internal/preloads.js?locale=en-US&shop_id=6279164747760.0 s533 B
/config/com/0799b531-14db-475b-9828-0feaf5ed109e.js?v=3.5...0.0 ms473 B
/merchant/freeShippingBanner?merchantId=1546&country=US&c...1200.0 s433 B
/set?t=Browsing%20Start&co=US&sid=553897742.154920952.154...0.0 ms179 B
/tr/?id=391121354387940&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms19 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.156126] map[node:map[boundingRect:map[bottom:816 height:776 left:0 right:412 top:40 width:412] lhId:page-4-SECTION nodeLabel:GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… path:1,HTML,1,BODY,16,MAIN,0,DIV,0,SECTION selector:body#glossier > main#main > div#shopify-section-template--21276524740853__main > section#section-template--21276524740853__main snippet:<section class="home__hero-section" id="section-template--21276524740853__main" style="top: -40.5938px; --home-hero-height: 8.08px; --home-hero-max-height: 7.760…;"> type:node] score:0.106394 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://cdn.shopify.com/s/files/1/0627/9164/7477/files/font-apercupro-regular.woff2?v=1652966868]] map[cause:Web font extra:map[type:url value:https://cdn.shopify.com/s/files/1/0627/9164/7477/files/font-apercupro-medium.woff2?v=1679586878]]] type:subitems]] map[node:map[boundingRect:map[bottom:4008 height:3968 left:0 right:412 top:41 width:412] lhId:page-6-MAIN nodeLabel:GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… path:1,HTML,1,BODY,16,MAIN selector:body#glossier > main#main snippet:<main class="page-wrap" id="main" role="main" style="margin-top: 40.5938px;"> type:node] score:0.044739] map[node:map[boundingRect:map[bottom:4008 height:3968 left:0 right:412 top:41 width:412] lhId:page-6-MAIN nodeLabel:GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… path:1,HTML,1,BODY,16,MAIN selector:body#glossier > main#main snippet:<main class="page-wrap" id="main" role="main" style="margin-top: 40.5938px;"> type:node] score:0.004993]]

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:17.971 source:map[column:334416 line:1 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 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:69.75 source:map[column:270079 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 urlProvider:network]] map[reflowTime:4.261 source:map[column:412356 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 urlProvider:network]] map[reflowTime:34.222 source:map[column:412531 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 urlProvider:network]] map[reflowTime:22.247 source:map[column:412569 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 urlProvider:network]] map[reflowTime:17.788 source:map[type:text value:[unattributed]]] map[reflowTime:9.575 source:map[column:1430 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547071774881013 urlProvider:network]] map[reflowTime:0.35 source:map[column:1783 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547071774881013 urlProvider:network]] map[reflowTime:6.996 source:map[column:1975 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547071774881013 urlProvider:network]] map[reflowTime:13.652 source:map[column:17367 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547071774881013 urlProvider:network]] map[reflowTime:1.167 source:map[column:416685 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 urlProvider:network]] map[reflowTime:18.226 source:map[column:149862 line:0 type:source-location url:https://www.glossier.com/cdn/wpm/bcfa8229ew36b6053dp1e134caame9d83f21m.js urlProvider:network]] map[reflowTime:0.083 source:map[column:8602 line:17 type:source-location url:(program):2 urlProvider:network]] map[reflowTime:29.31 source:map[column:2622 line:0 type:source-location url:https://static.klaviyo.com/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae9159db809c1b007/default~in_app_forms~signup_forms.a9953a1681e0d8106e3e.js?cb=2 urlProvider:network]] map[reflowTime:0.098 source:map[column:14478 line:0 type:source-location url:(program):2 urlProvider:network]] map[reflowTime:0.435 source:map[column:293478 line:0 type:source-location url:(program):2 urlProvider:network]] map[reflowTime:17.971 source:map[column:213120 line:0 type:source-location url:https://www.glossier.com/cdn/shop/t/1393/assets/app.min.js?v=116494217122873023101774881013 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
div.home__hero-content-logo-wrapper > div.home__hero-content-logo > div.ir > img div.home__hero-content-logo-wrapper > div.home__hero-content-logo > div.ir > img
/files/glossier-soie-launch-homepage-hero-logo-desktop_8f...67.2 KiB66.6 KiB
a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image
/files/glossier-soie-2-homepage-hero-mobile.png?auto=comp...56.0 KiB52.5 KiB
a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-0 > div.two-column__image-wrapper > div.ir > img.two-column-image a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-0 > div.two-column__image-wrapper > div.ir > img.two-column-image
/files/glossier-soie-2-module-1.png?auto=compress,format&...34.4 KiB24.4 KiB
a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-1 > div.two-column__image-wrapper > div.ir > img.two-column-image a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-1 > div.two-column__image-wrapper > div.ir > img.two-column-image
/files/glossier-soie-2-module-2.png?auto=compress,format&...23.9 KiB16.9 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-1-IMG
nodeLabel: a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image
path: 1,HTML,1,BODY,16,MAIN,0,DIV,0,SECTION,0,A,0,DIV,2,DIV,0,IMG
selector: a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image
snippet: <img class="home__hero-image" src="https://glossier-prod.imgix.net/files/glossier-soie-2-homepage-hero-mobile…" alt="">

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.

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… body#glossier > main#main > div#shopify-section-template--21276524740853__main > section#section-template--21276524740853__main
0.106
GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… body#glossier > main#main
0.045
GLOSSIER YOU SOIE You Smell Like Vacation Our new skin-scent enhancer is inspi… body#glossier > main#main
0.005

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: 150 ms 49.9 KiB
URLTransfer SizeEst Savings
/cdn/shop/t/1393/assets/style.css?v=131643527900984317711...33.5 KiB27.2 KiB
23.3 KiB22.7 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.4 s 1.1 MiB
URLTransfer SizeEst Savings
7ce243a1e1a2.cdn4.forter.com/sn/7ce243a1e1a2/script.js220.4 KiB93.9 KiB
21bd15724800.cdn4.forter.com/sn/21bd15724800/script.js194.0 KiB81.1 KiB
static.rechargecdn.com/assets/js/widget.min.js?shop=glossier-admin.myshopify.com118.1 KiB74.8 KiB
www.googletagmanager.com/gtag/destination?id=G-J11MBLGD5V&cx=c&gtm=4e6411168.4 KiB67.1 KiB
cdn.cookielaw.org/scripttemplates/202601.2.0/otBannerSdk.js128.2 KiB65.6 KiB
www.googletagmanager.com/gtag/destination?id=MC-CKB65RMMGX&cx=c&gtm=4e6411134.9 KiB64.3 KiB
www.googletagmanager.com/gtag/js?id=GT-TBW8XFPT134.9 KiB59.0 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMw.js109.5 KiB58.7 KiB
static.clairedefermat.com/pixel/v2/pixel.js69.4 KiB58.2 KiB
/cdn/shop/t/1393/assets/app.min.js?v=11649421712287302310...83.6 KiB54.8 KiB
www.googletagmanager.com/gtm.js?id=GTM-KW9HP9Z172.2 KiB53.0 KiB
www.googletagmanager.com/gtag/js?id=AW-960173363&cx=c&gtm=4e6411143.3 KiB50.7 KiB
/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547...84.0 KiB47.5 KiB
assets.gorgias.chat/build/static/js/279.58c6a32e6ae4fc54.js92.3 KiB45.6 KiB
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...51.5 KiB41.9 KiB
connect.facebook.net/en_US/fbevents.js94.8 KiB35.7 KiB
us-assets.i.posthog.com/static/array.js64.5 KiB32.9 KiB
cdn.optimizely.com/js/22916101539.js104.5 KiB31.5 KiB
edge.fullstory.com/s/fs.js79.3 KiB25.8 KiB
us-assets.i.posthog.com/static/surveys.js?v=1.364.631.8 KiB25.3 KiB
assets.gorgias.chat/build/static/js/557.f9e30f4c6d8d87de.js35.4 KiB24.2 KiB
www.glossier.com/cdn/wpm/bcfa8229ew36b6053dp1e134caame9d83f21m.js56.9 KiB22.5 KiB
assets.gorgias.chat/build/static/js/199.d56484bedf68e703.js28.8 KiB20.1 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
Unattributable3.0 s616 ms0.0 ms
www.glossier.com/cdn/wpm/bcfa8229ew36b6053dp1e134caame9d83f21m.js2.6 s1.9 s40 ms
/cdn/shop/t/1393/assets/app.min.js?v=11649421712287302310...1.9 s585 ms126 ms
edge.fullstory.com/s/fs.js1.8 s1.4 s27 ms
www.glossier.com/1.6 s470 ms32 ms
cdn.optimizely.com/js/22916101539.js1.4 s1.0 s47 ms
/cdn/shop/t/1393/assets/index.min.js?v=131306346582006547...1.3 s953 ms35 ms
www.googletagmanager.com/gtm.js?id=GTM-KW9HP9Z972 ms887 ms63 ms
onsite.joinground.com/ground.js868 ms812 ms36 ms
21bd15724800.cdn4.forter.com/sn/21bd15724800/script.js845 ms729 ms43 ms
7ce243a1e1a2.cdn4.forter.com/sn/7ce243a1e1a2/script.js737 ms604 ms58 ms
(program):2692 ms378 ms0.0 ms
/cdn/shopifycloud/storefront/assets/shop_events_listener-...632 ms469 ms2.6 ms
www.googletagmanager.com/gtag/destination?id=G-J11MBLGD5V&cx=c&gtm=4e6411630 ms567 ms50 ms
www.googletagmanager.com/gtag/js?id=GT-TBW8XFPT475 ms429 ms39 ms
www.googletagmanager.com/gtag/js?id=AW-960173363&cx=c&gtm=4e6411448 ms401 ms42 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...409 ms282 ms4.4 ms
assets.gorgias.chat/build/static/js/279.58c6a32e6ae4fc54.js408 ms374 ms31 ms
cdn.cookielaw.org/scripttemplates/202601.2.0/otBannerSdk.js358 ms231 ms55 ms
www.googletagmanager.com/gtag/destination?id=MC-CKB65RMMGX&cx=c&gtm=4e6411317 ms259 ms56 ms
static.rechargecdn.com/assets/js/widget.min.js?shop=glossier-admin.myshopify.com252 ms210 ms39 ms
www.glossier.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.3.1.min.js243 ms139 ms11 ms
/cdn/s/trekkie.storefront.793024e5c781b83428b9784ec5054da...236 ms209 ms21 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMw.js226 ms181 ms44 ms
us-assets.i.posthog.com/static/array.js225 ms201 ms19 ms
assets.gorgias.chat/build/static/js/557.f9e30f4c6d8d87de.js216 ms197 ms16 ms
www.glossier.com/a/elevar/static/getelevar/3.33.0/dl-app-embed-block.js198 ms57 ms6.9 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...187 ms163 ms19 ms
connect.facebook.net/en_US/fbevents.js175 ms137 ms38 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...169 ms49 ms0.5 ms
d.impactradius-event.com/A1136556-ce1d-4c9e-a7c0-5271963f3d2d1.js164 ms153 ms7.8 ms
edge.fullstory.com/datalayer/v4/latest.js155 ms148 ms6.5 ms
sc-static.net/scevent.min.js144 ms130 ms5.6 ms
/resources/js/app?shop=glossier-admin.myshopify.com139 ms120 ms16 ms
/cdn/shopifycloud/shop-js/modules/v2/chunk.index_4uAqGWkW...118 ms113 ms0.6 ms
/signals/config/391121354387940?v=2.9.291&r=stable&domain...95 ms82 ms12 ms
/cdn/shopifycloud/storefront/assets/shopify_pay/storefron...86 ms76 ms8.7 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...83 ms63 ms20 ms
static.clairedefermat.com/pixel/v2/pixel.js82 ms57 ms24 ms
/cdn/shopifycloud/storefront/assets/storefront/load_featu...64 ms61 ms1.6 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...56 ms55 ms1.0 ms
/cdn/shopifycloud/consent-tracking-api/v0.1/consent-track...55 ms49 ms0.4 ms
/config/com/0799b531-14db-475b-9828-0feaf5ed109e.js?v=3.5...55 ms53 ms1.6 ms
/onsite/js/build-preview/commit-f6f00cac0c842ff6b918911ae...53 ms49 ms3.4 ms
analytics.tiktok.com/i18n/pixel/static/identify_5cff1caf.js53 ms37 ms15 ms
www.redditstatic.com/ads/pixel.js52 ms43 ms6.4 ms
cdn.cookielaw.org/scripttemplates/otSDKStub.js50 ms36 ms4.4 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 Evaluation17.0 s
Other4.5 s
Style & Layout2.5 s
Script Parsing & Compilation1.3 s
Rendering308 ms
Garbage Collection273 ms
Parse HTML & CSS211 ms

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 13.7 KiB

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
a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image a.home__hero > div#mediaWrapper > div.ir > img.home__hero-image
/files/glossier-soie-2-homepage-hero-mobile.png?auto=comp...
div.home__hero-content-logo-wrapper > div.home__hero-content-logo > div.ir > img div.home__hero-content-logo-wrapper > div.home__hero-content-logo > div.ir > img
/files/glossier-soie-launch-homepage-hero-logo-desktop_8f...
a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-0 > div.two-column__image-wrapper > div.ir > img.two-column-image a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-0 > div.two-column__image-wrapper > div.ir > img.two-column-image
/files/glossier-soie-2-module-1.png?auto=compress,format&...
a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-1 > div.two-column__image-wrapper > div.ir > img.two-column-image a#block-template--16593503486189__4c93ca4c-3fb9-4b96-83df-242452f7b85a-16751174664dc89a79-1 > div.two-column__image-wrapper > div.ir > img.two-column-image
/files/glossier-soie-2-module-2.png?auto=compress,format&...
Search ul.list-reset > li#headerSearchListItem > button#headerSearchBtn > img#headerSearchIcon
/cdn/shop/t/1393/assets/search-icon.svg?v=175973070122934...
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
Africa wears Soie. div.pi__img > a.pi__link > div.ir > img.lazyload
glossier you div.pi__img > a.pi__link > div.ir > img.lazyload
glossier you div.pi__img > a.pi__link > div.ir > img.lazyload
missed you campaign div.pi__img > a.pi__link > div.ir > img.lazyload
Soie + You Travel Spray div.pi__img > a.pi__link > div.ir > img.lazyload
Soie + You Travel Spray div.pi__img > a.pi__link > div.ir > img.lazyload
Africa wears Glossier You. div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
Barbara wears Rose Balm Dotcom. div.pi__img > a.pi__link > div.ir > img.lazyload
futuredew bottle div.pi__img > a.pi__link > div.ir > img.lazyload
futuredew bottle div.pi__img > a.pi__link > div.ir > img.lazyload
Bruna wears Futuredew. div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
div.pi__img > a.pi__link > div.ir > img.lazyload div.pi__img > a.pi__link > div.ir > img.lazyload
doux div.pi__img > a.pi__link > div.ir > img.lazyload
doux div.pi__img > a.pi__link > div.ir > img.lazyload
Irene wears Glossier You Doux. div.pi__img > a.pi__link > div.ir > img.lazyload
boy brow div.pi__img > a.pi__link > div.ir > img.lazyload
boy brow div.pi__img > a.pi__link > div.ir > img.lazyload
Nasra wears Boy Brow in Dark Brown. div.pi__img > a.pi__link > div.ir > img.lazyload
a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload
a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload
a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload a.ugc__link > div.ugc__media-wrapper > div.ir > img.lazyload
div.footer__sub-nav > ul.footer__sub-nav-links > button#ot-footer-link > img.privacy-choices-image div.footer__sub-nav > ul.footer__sub-nav-links > button#ot-footer-link > img.privacy-choices-image
div.footer__sub-easter-egg-image > a > div.ir > img.lazyload div.footer__sub-easter-egg-image > a > div.ir > img.lazyload

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

●Document request latency
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 97 user timings
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 6 animated elements found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 70 ms
●Server Backend Latencies 170 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 20 ms
○INP breakdown
93

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 have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
NEW Glossier You Soie Eau de parfum $82 50 ml 8 ml Add to bag Best-seller Gl… div#shopify-section-template--21276524740853__4ceb49c9-363a-4e57-8e84-47bc0ac4d49e > div#shop-all-evergreen > div#section-template--21276524740853__4ceb49c9-363a-4e57-8e84-47bc0ac4d49e > ul.list-reset
50 ml 8 ml div.pi__desc-wrapper-top > div.pi__options > div.config__group > ul.config__options
50 ml 100 ml 8 ml div.pi__desc-wrapper-top > div.pi__options > div.config__group > ul.config__options
50 ml 100 ml 8 ml div.pi__desc-wrapper-top > div.pi__options > div.config__group > ul.config__options
Dark Brown variant option div.pi__desc-wrapper-top > div.pi__options > div.config__group > ul.config__options
Page dot 1 div#shop-all-evergreen > div#section-template--21276524740853__4ceb49c9-363a-4e57-8e84-47bc0ac4d49e > ul.list-reset > ol.flickity-page-dots
Page dot 1 div#shopify-section-template--21276524740853__f3b8bd23-4e97-4f4d-b91d-176cb5979edd > section.ugc__section > div.ugc__wrapper > ol.flickity-page-dots
© 2026 Glossier. All rights reserved. Privacy Policy US State Privacy Notice Te… footer#footer > div.footer__sub > div.footer__sub-nav > ul.footer__sub-nav-links

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
NEW Glossier You Soie Eau de parfum $82 50 ml 8 ml Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
Best-seller Glossier You Eau de parfum $82 50 ml 100 ml 8 ml Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
NEW Soie + You Travel Spray Two of You Sale price $97 Regular price $114 Cho… ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
NEW Spring Pinks Nourishing lip balms Sale price $42 Regular price $48 Choos… ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
Futuredew Skincare-makeup hybrid $30 Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
NEW Chrome Mirror Limited edition $24 Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
Best-seller Glossier You Doux Eau de parfum $82 50 ml 100 ml 8 ml Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item
Best-seller Boy Brow Grooming pomade $22 Dark Brown Add to bag ul.list-reset > div.flickity-viewport > div.flickity-slider > li.collection__item

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

○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
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●ARIA toggle fields have accessible names
●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
●No element has a `[tabindex]` value greater than 0
●Touch targets have sufficient size and spacing.
●Heading elements appear in a sequentially-descending order
●Skip links are focusable.
●Document has a main landmark.
●Deprecated ARIA roles were not used
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●Uses ARIA roles only on compatible elements
●Elements with visible text labels have matching accessible names.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○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 `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.
○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
○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.
○Identical links have the same purpose.
○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.
81

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
●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 browser errors logged to the console
●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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