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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.

29

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
/v2NXS7Iza/0o/49/CGn5CH9WZe2_SI/aGaikp2bt4mXDhO5aY/HgAzLV...21600.0 s180.0 KiB
tags.tiqcdn.com/utag/rei/main/prod/utag.js300.0 s107.3 KiB
/v2NXS7Iza/0o/49/CGn5CH9WZe2_SI/Nzaikp3acaJ3/ICc3LVlZ/Whd...21600.0 s160.4 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
api.bluecore.com/triggermail.js/rei_us.js3600.0 s97.5 KiB
/signals/config/816358311757684?v=2.9.303&r=stable&domain...1200.0 s78.8 KiB
www.rei.com/assets/c72b404d43f69170b105f04be9940062f44e2a4878a600.0 s68.4 KiB
cnstrc.com/js/cust/rei_lhsNsZ.js1800.0 s60.5 KiB
www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js14400.0 s51.9 KiB
p11.techlab-cdn.com/e/65226_747628124.js600.0 s32.8 KiB
d.impactradius-event.com/A3622523-ed22-4d51-ba5e-bf76b6bf14fc1.js900.0 s20.7 KiB
odeaiqfw.micpn.com/p/js/1.js0.0 ms15.5 KiB
websdk.appsflyersdk.com/?st=banners,pba&0.0 ms15.2 KiB
p11.techlab-cdn.com/e/65319_1825142941.js600.0 s15.9 KiB
www.rei.com/media/product/C0053186400.0 s31.8 KiB
www.rei.com/media/product/C0112986400.0 s24.1 KiB
www.rei.com/media/product/23557686400.0 s22.4 KiB
www.rei.com/media/product/C0018786400.0 s22.4 KiB
www.rei.com/media/product/C0376986400.0 s21.5 KiB
www.rei.com/media/product/C0090286400.0 s21.0 KiB
www.rei.com/media/product/20379186400.0 s20.3 KiB
www.rei.com/media/product/22850586400.0 s19.7 KiB
www.rei.com/media/product/24545786400.0 s18.5 KiB
www.rei.com/media/product/C0907786400.0 s16.5 KiB
p11.techlab-cdn.com/e/65257_1825202430.js600.0 s7.0 KiB
bat.bing.com/p/conversions/s/0.8.5986400.0 s15.6 KiB
www.rei.com/akam/13/2af8349721600.0 s9.3 KiB
/WRSiteInterceptEngine/?Q_ZID=ZN_9YKZvxooAxGhiL3&Q_LOC=ht...3600.0 s4.6 KiB
/dxjsmodule/12.1a2b7192fd54e87d3971.chunk.js?Q_CLIENTVERS...604800.0 s35.9 KiB
/dxjsmodule/CoreModule.js?Q_CLIENTVERSION=2.46.0&Q_CLIENT...604800.0 s30.9 KiB
s.pinimg.com/ct/lib/main.10d2511a.js1209600.0 s27.6 KiB
tags.tiqcdn.com/utag/rei/main/prod/utag.581.js?utv=ut4.54.202604211803300.0 s2.7 KiB
tags.tiqcdn.com/utag/rei/main/prod/utag.569.js?utv=ut4.54.202604211803300.0 s2.5 KiB
t.channeladvisor.com/v2/12021789.js3600.0 s2.7 KiB
/dxjsmodule/37.7ea1ffe71ad8c0799cc1.chunk.js?Q_CLIENTVERS...604800.0 s18.6 KiB
p11.techlab-cdn.com/e/64885_1825202492.js600.0 s2.0 KiB
ct.pinterest.com/static/ct/token_create.js7200.0 s2.2 KiB
s.pinimg.com/ct/core.js7200.0 s2.1 KiB
/dxjsmodule/WebResponsiveDialogModule.js?Q_CLIENTVERSION=...604800.0 s11.7 KiB
/dxjsmodule/1.bc67e778235741631577.chunk.js?Q_CLIENTVERSI...604800.0 s7.1 KiB
/utag/rei/main/prod/utag.v.js?a=rei/main/202604211803&cb=...300.0 s440 B
/AkCd?creative_id=18efe55e-adec-4127-ac5b-cda665e9f8bf&af...0.0 ms310 B
/dxjsmodule/7.f7df015b06d8a90ce822.chunk.js?Q_CLIENTVERSI...604800.0 s1.4 KiB
/tr/?id=816358311757684&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:45.215 source:map[column:278143 line:0 type:source-location url:https://www.rei.com/v2NXS7Iza/0o/49/CGn5CH9WZe2_SI/aGaikp2bt4mXDhO5aY/HgAzLVlZ/NQpN/BEZFZHAB urlProvider:network]] map[reflowTime:0.049 source:map[column:83788 line:0 type:source-location url:https://www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js urlProvider:network]] map[reflowTime:35.305 source:map[column:19018 line:2 type:source-location url:https://websdk.appsflyersdk.com/?st=banners,pba& 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
Text reads: ‘Outside Days. Denver, Colorado. May 29-31, 2026. Capital One & R E… div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
/dam/25484090_rail-promo-wk15-outside-days_web_lg.jpeg?im...433.6 KiB416.1 KiB
Text reads: ‘Made by R E I Co-op’ over two hikers laughing and smiling for the … div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
/dam/25373881_hp-rail-hike-pants-reimagined_web_lg.jpeg?i...250.2 KiB232.7 KiB
Three people ride bikes together through a gravel path on a sunny day. div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
/dam/25452703_hp-rail-card-shop-gravel-bikes_web_lg.jpeg?...222.9 KiB205.4 KiB
Two people inside of a tent. One relaxes in a sleeping bag while the other make… div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
/dam/25484100_rail-promo-wk15-best-new-tents_web_lg.jpeg?...199.5 KiB182.0 KiB
Three pairs of Smartwool socks on a wooden background. div.cdr-grid_16-3-1 > div.story__container--media > picture.landing-image-component > img.landing-image-component__image
/dam/23833992_socks-buy-more-save-more-09-25_web_lg.jpeg?...178.6 KiB162.5 KiB
Three Patagonia bags on a light colored background. li.scroll-carousel__slide > div.slide > picture.landing-image-component > img.landing-image-component__image
/dam/25361007_hp-fs26-wk12-patagonia-travel_web_lg.jpeg?i...140.0 KiB133.5 KiB
Three people stop to stretch while looking off into the distance as the sun beg… div.split-banner-bespoke__wrapper > div.split-banner-bespoke__media > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/tuttle_012422_0234_web_lg.jpeg?im=Resize,width=800148.7 KiB131.0 KiB
An R E I Co-op rain jacket, a Patagonia rain jacket, and an Arc’teryx rain jack… div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
/dam/25484087_rail-promo-wk15-weather-ready-jackets_web_l...124.9 KiB108.3 KiB
A variety of R E I Outlet gear. Text reads, R E I Outlet, up to 40% off. div.cdr-grid_16-3-1 > div.story__container--media > picture.landing-image-component > img.landing-image-component__image
/dam/25455112_w2s-rei-outlet-evergreen-spr26_web_lg.jpeg?...58.6 KiB47.5 KiB
R E I Co-op membership. A 30 dollar member bonus card that reads 'made for life… div.split-banner-bespoke__wrapper > div.split-banner-bespoke__media > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/21387594_hp-mabc-img_web_lg.jpeg?im=Resize,width=80046.7 KiB36.2 KiB
Electra Townie Go! Throttle Electric Bike ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0053131.6 KiB30.8 KiB
Arc'teryx Gamma Lightweight Hoody - Men's ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0112923.8 KiB23.3 KiB
A collage of hiking gear including two shirts, a HOKA boot, and a pair of pants… li.scroll-carousel__slide > div.slide > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/25361016_hp-fs26-wk12-hiking_web_lg.jpeg?im=Resize,width=35028.6 KiB22.1 KiB
Vuori Halo Mini Full-Zip Hoodie - Women's ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0018722.1 KiB21.6 KiB
REI Co-op Stuff Travel Waist Pack ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/23557622.1 KiB21.2 KiB
Camp Snap Screen-Free Digital Camera ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0376921.3 KiB20.8 KiB
Patagonia Capilene Cool Daily Graphic T-Shirt - Men's ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0090220.7 KiB20.2 KiB
Nocs Provisions Zoom Tube 8 x 32 Monocular Telescope ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/20379120.1 KiB19.3 KiB
REI Co-op Active Pursuits T-Shirt - Men's ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/22850519.4 KiB19.0 KiB
R E I Co-op Mastercard. Earn 15% in total REI rewards. Opt Outside. div.split-banner-bespoke__wrapper > div.split-banner-bespoke__media > picture.landing-image-component > img.landing-image-component__image
/dam/22232711_hp-mastercard-split-banner-05-27_web_lg.jpe...23.3 KiB18.1 KiB
REI Co-op Siesta Hooded 20 Sleeping Bag ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/24545718.2 KiB17.9 KiB
Mountain Hardwear Crater Lake Heavyweight Half-Zip Top - Women's ul.cdr-grid_16-3-1 > li.simple-top-categories__category > div.simple-top-categories__media-container > img.cdr-image_16-3-1
www.rei.com/media/product/C0907716.3 KiB15.9 KiB
The North Face Universal One Sleeping Bag on a light colored background. li.scroll-carousel__slide > div.slide > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/25361022_hp-fs26-wk12-camping_web_lg.jpeg?im=Resize,width=35019.0 KiB14.4 KiB
Birkenstock sandals on a light colored background. li.scroll-carousel__slide > div.slide > picture.landing-image-component > img.landing-image-component__image
/dam/25361029_hp-fs26-wk12-birkenstock-sandals_web_lg.jpe...17.4 KiB13.2 KiB
A women’s Vuori zip hoodie and cropped tank top on a light colored background. li.scroll-carousel__slide > div.slide > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/25361003_hp-fs26-wk12-womens_web_lg.jpeg?im=Resize,width=35016.9 KiB12.8 KiB
App logo div > div > div > img
www.rei.com/dam/mobile_app_2025_app_logo_1024x1024.png12.5 KiB12.5 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:371.9040009765625 label:Time to first byte subpart:timeToFirstByte] map[duration:25.4439990234375 label:Resource load delay subpart:resourceLoadDelay] map[duration:158.996 label:Resource load duration subpart:resourceLoadDuration] map[duration:1995.873 label:Element render delay subpart:elementRenderDelay]]
lhId: page-2-IMG
nodeLabel: Three people ride bikes together through a gravel path on a sunny day.
path: 2,HTML,1,BODY,0,DIV,0,DIV,2,DIV,0,MAIN,0,DIV,0,DIV,1,DIV,1,SECTION,0,DIV,0,DIV,0,DIV,2,DIV,0,DIV,1,UL,1,LI,1,DIV,0,DIV,0,PICTURE,7,IMG
selector: div.lead-rail-card > div.lead-rail-card__hero > picture.landing-image-component > img.landing-image-component__image
snippet: <img alt="Three people ride bikes together through a gravel path on a sunny day." src="https://www.rei.com/dam/25452703_hp-rail-card-shop-gravel-bikes_web_lg.jpe…" fetchpriority="high" class="landing-image-component__image" aria-hidden="false">

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
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.

URLTransfer SizeDuration
www.rei.com/assets/c72b404d43f69170b105f04be9940062f44e2a4878a68.4 KiB309 ms
www.rei.com/satchel/packages/tealium/utag.sync-4.4.0.js19.7 KiB
www.rei.com/satchel/febs/home/2.0.0/home/logging-Dr0uSwuT.css810 B154 ms
www.rei.com/satchel/febs/home/2.0.0/home/main-3E4xihHZ.css861 B
www.rei.com/satchel/febs/home/2.0.0/home/formatCoupon-B6LfXaWT.css772 B
www.rei.com/satchel/febs/home/2.0.0/home/home-Dk-cQgBd.css3.8 KiB
www.rei.com/satchel/febs/home/2.0.0/home/SecondaryHeading-CHn81YCA.css377 B
www.rei.com/satchel/febs/home/2.0.0/home/recommendations-CLl1mulH.css541 B
www.rei.com/satchel/febs/home/2.0.0/home/UgcPlacementComponent-QMrEnz8e.css666 B
www.rei.com/satchel/febs/home/2.0.0/home/ugcPlacementData-Bw31m3vW.css2.2 KiB
www.rei.com/satchel/febs/home/2.0.0/home/main-CkdH0BCy.css1.2 KiB
www.rei.com/satchel/febs/home/2.0.0/home/main-CcLfYY-Z.css771 B
www.rei.com/satchel/febs/home/2.0.0/home/main-CNKgGgBb.css1.5 KiB
www.rei.com/satchel/febs/home/2.0.0/home/isObjectLike-CtPLw1js.css1.9 KiB
www.rei.com/satchel/febs/home/2.0.0/home/clientPageData-Rtzucie3.css876 B
www.rei.com/satchel/febs/home/2.0.0/home/style-Cux8GyYi.css636 B
www.rei.com/satchel/febs/home/2.0.0/home/style-Cip0anzY.css694 B
www.rei.com/satchel/febs/home/2.0.0/home/style-DI57RfGb.css516 B
www.rei.com/satchel/febs/home/2.0.0/home/style-BiNRQtN5.css628 B
www.rei.com/satchel/febs/home/2.0.0/home/style-BW7vKjBi.css378 B
www.rei.com/satchel/febs/home/2.0.0/home/cedar-DBGkpkv5.css8.2 KiB
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...5.0 KiB
www.rei.com/satchel/febs/home/2.0.0/home/style-BCFL1QQD.css302 B
www.rei.com/satchel/febs/home/2.0.0/home/style-DWOsFMod.css1.6 KiB
www.rei.com/satchel/febs/home/2.0.0/home/style-9O10FW8r.css1.3 KiB
/satchel/febs/packages/@rei/global-vue-components/global-...12.9 KiB
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...1.2 KiB154 ms
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...5.1 KiB
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...2.1 KiB
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...2.0 KiB

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.

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

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: 842 ms
URLTime Spent
rei.com/842 ms
www.rei.com/0.0 ms

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.

Estimated savings: 110 ms 19.6 KiB
URLTransfer SizeEst Savings
www.rei.com/satchel/packages/adobe-target/at-v2.9.0-caas-v3.js44.1 KiB19.6 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.rei.com/assets/c72b404d43f69170b105f04be9940062f44e2a4878a2.2 s1.9 s29 ms
Unattributable2.0 s455 ms0.0 ms
www.rei.com/2.0 s883 ms1.4 ms
www.rei.com/satchel/febs/home/2.0.0/home/main-HKi4g7pi.js1.2 s1.0 s0.2 ms
/v2NXS7Iza/0o/49/CGn5CH9WZe2_SI/aGaikp2bt4mXDhO5aY/HgAzLV...982 ms685 ms38 ms
/satchel/febs/CommonComponentsSiteFrontEnd/0.1.0/CommonCo...543 ms504 ms0.8 ms
/v2NXS7Iza/0o/49/CGn5CH9WZe2_SI/Nzaikp3acaJ3/ICc3LVlZ/Whd...530 ms405 ms46 ms
www.googletagmanager.com/gtag/js?id=AW-1069764188&cx=c&gtm=4e64k0h2354 ms280 ms30 ms
www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js320 ms301 ms12 ms
tags.tiqcdn.com/utag/rei/main/prod/utag.js313 ms255 ms41 ms
www.googletagmanager.com/gtag/js?id=DC-4362844251 ms220 ms26 ms
api.bluecore.com/triggermail.js/rei_us.js225 ms149 ms37 ms
www.rei.com/satchel/packages/adobe-target/at-v2.9.0-caas-v3.js221 ms208 ms13 ms
websdk.appsflyersdk.com/?st=banners,pba&215 ms50 ms3.5 ms
cnstrc.com/js/cust/rei_lhsNsZ.js206 ms171 ms24 ms
www.rei.com/akam/13/2af83497186 ms114 ms3.4 ms
www.rei.com/satchel/packages/tealium/utag.sync-4.4.0.js175 ms160 ms4.6 ms
connect.facebook.net/en_US/fbevents.js134 ms101 ms32 ms
/dxjsmodule/37.7ea1ffe71ad8c0799cc1.chunk.js?Q_CLIENTVERS...127 ms112 ms3.6 ms
/signals/config/816358311757684?v=2.9.303&r=stable&domain...113 ms95 ms18 ms
/assets/chat-sdk/vendor-node_modules_reduxjs_toolkit_dist...107 ms96 ms10 ms
s.pinimg.com/ct/lib/main.10d2511a.js103 ms88 ms7.5 ms
d.impactradius-event.com/A3622523-ed22-4d51-ba5e-bf76b6bf14fc1.js82 ms74 ms4.1 ms
odeaiqfw.micpn.com/p/js/1.js80 ms65 ms5.7 ms
p11.techlab-cdn.com/e/65319_1825142941.js64 ms59 ms3.2 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 Evaluation9.0 s
Other2.4 s
Style & Layout852 ms
Script Parsing & Compilation477 ms
Garbage Collection347 ms
Rendering286 ms
Parse HTML & CSS118 ms

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 11.4 KiB
URLTransfer SizeEst Savings
/satchel/febs/packages/@rei/global-vue-components/global-...12.8 KiB11.4 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
div.ls-content-block > div.ls-content-block__region > picture.landing-image-component > img.landing-image-component__image div.ls-content-block > div.ls-content-block__region > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/21387586_membership-tag.svg
div.ls-content-block > div.ls-content-block__region > picture.landing-image-component > img.landing-image-component__image div.ls-content-block > div.ls-content-block__region > picture.landing-image-component > img.landing-image-component__image
www.rei.com/dam/21387586_membership-tag.svg
Get it on Google Play div.mobile-apps > div.mobile-apps__body > a.mobile-apps__image-link > img.mobile-apps__image
Download on the App Store div.mobile-apps > div.mobile-apps__body > a.mobile-apps__image-link > img.mobile-apps__image

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

Layout shift culprits
Optimize DOM size
LCP request discovery
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 5 user timings
Avoid long main-thread tasks 20 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 100 ms
Server Backend Latencies 210 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 250 ms
INP breakdown
Avoid non-composited animations
Avoid large layout shifts
88

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Crowd favorites div.recommendation-tabs > fieldset.cdr-chip-group_16-3-1 > div.cdr-chip-group__content_16-3-1 > button.cdr-chip_16-3-1
Popular products div.recommendation-tabs > fieldset.cdr-chip-group_16-3-1 > div.cdr-chip-group__content_16-3-1 > button.cdr-chip_16-3-1
REI Co-op brand div.recommendation-tabs > fieldset.cdr-chip-group_16-3-1 > div.cdr-chip-group__content_16-3-1 > button.cdr-chip_16-3-1
Outlet deals div.recommendation-tabs > fieldset.cdr-chip-group_16-3-1 > div.cdr-chip-group__content_16-3-1 > button.cdr-chip_16-3-1

Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. Learn more about valid values for ARIA attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Crowd favorites div.recommendation-tabs > fieldset.cdr-chip-group_16-3-1 > div.cdr-chip-group__content_16-3-1 > button.cdr-chip_16-3-1

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

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
Close sign in nudge li.actions__item > div.item-account-link > div > li.sign-in-nudge-dropdown

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
Your Privacy Choices div.ccsite-footer__container > ul.legal__list > li.legal__list-item > button#footer-privacy-choices
Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
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
`[role]` values are valid
`[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
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 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
All heading elements contain content.
Uses ARIA roles only on compatible elements
Identical links have the same purpose.
`[accesskey]` values are unique
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Links are distinguishable without relying on color.
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>`.
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

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: the server responded with a status of 400 ()
Failed to load resource: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 404 ()

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.

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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
85

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

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.rei.com/blog/outside-daysLearn more
www.rei.com/action/network/campaignsLearn more

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

Crawling and Indexing

If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
Links are crawlable
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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