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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.

32

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

URLEst Savings
/s/caesardressing/v22/yYLx0hLa3vawqtwdswbotmK4vrRHdrz7D5h...45 ms
use.typekit.net/af/9c3000/000000000000000077586b5e/31/l?subset_id=2&fvd=n3&v=320 ms
use.typekit.net/af/c6c38a/0000000000000000775dd7d9/31/l?subset_id=2&fvd=n5&v=315 ms
use.typekit.net/af/361f51/000000000000000077586b60/31/l?subset_id=2&fvd=n7&v=310 ms
use.typekit.net/af/84715c/000000000000000077586b55/31/l?subset_id=2&fvd=i4&v=310 ms

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:45.396 source:map[column:135 line:100 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/19085-081d931e05f25f02-min.en-US.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:1.675 source:map[column:127416 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-6a459dad7444b31d-min.en-US.js urlProvider:network]] map[reflowTime:0.104 source:map[column:123327 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-6a459dad7444b31d-min.en-US.js urlProvider:network]] map[reflowTime:0.18 source:map[column:10295 line:12 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/slides-685aea39541f033d-min.en-US.js urlProvider:network]] map[reflowTime:0.843 source:map[column:10967 line:12 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/slides-685aea39541f033d-min.en-US.js urlProvider:network]] map[reflowTime:18.116 source:map[column:20641 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-6a459dad7444b31d-min.en-US.js urlProvider:network]] map[reflowTime:6.916 source:map[column:17808 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-6a459dad7444b31d-min.en-US.js urlProvider:network]] map[reflowTime:5.805 source:map[column:22970 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-6a459dad7444b31d-min.en-US.js urlProvider:network]] map[reflowTime:0.705 source:map[column:84530 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-b8d716935110c7b2-min.en-US.js urlProvider:network]] map[reflowTime:12.124 source:map[column:5804 line:12 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/slides-685aea39541f033d-min.en-US.js urlProvider:network]] map[reflowTime:33.012 source:map[column:3535 line:12 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/slides-685aea39541f033d-min.en-US.js urlProvider:network]] map[reflowTime:0.26 source:map[column:7586 line:12 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/slides-685aea39541f033d-min.en-US.js urlProvider:network]]]

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
/ik/V4GeQb0mgg7ATDuTRPXDn1ZpcjpzI_nZnPiyI9ArlWvfenMIf4e6p...http/1.1
use.typekit.net/af/26b618/000000000000000077586b59/31/l?subset_id=2&fvd=n4&v=3http/1.1
use.typekit.net/af/db8d0b/00000000000000007758da2b/31/l?subset_id=2&fvd=n5&v=3http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426117296-WVKY6P...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426205909-6EE4KZ...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426274352-PP5CJK...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426236618-1TGO9N...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426275960-LU1ETE...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426277917-ET5H4C...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426338795-5WUBHZ...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426333933-7IVV20...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426334548-4TFL8U...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426617953-RFR7JD...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426620150-1SIAIJ...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426655757-GR54JN...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426669736-PY7IE9...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426671406-OWESAE...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426680222-UNVKBD...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426668527-7QVQCH...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426843408-6ANEXF...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426887753-NVOLXQ...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426894464-1QEPGI...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426925043-4VGUOW...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426934486-LUOXUR...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426906982-GXS9E1...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559426939214-DECBRC...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427160638-RTKPVF...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427149176-DD7BYY...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427151003-VJ73GY...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427152497-8IAHVA...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427153816-EZ0NFH...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427112773-A6AJDO...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427200025-205BV8...http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1559427221542-BDOPSB...http/1.1
use.typekit.net/af/c6c38a/0000000000000000775dd7d9/31/l?subset_id=2&fvd=n5&v=3http/1.1
use.typekit.net/af/9c3000/000000000000000077586b5e/31/l?subset_id=2&fvd=n3&v=3http/1.1
use.typekit.net/af/361f51/000000000000000077586b60/31/l?subset_id=2&fvd=n7&v=3http/1.1
use.typekit.net/af/84715c/000000000000000077586b55/31/l?subset_id=2&fvd=i4&v=3http/1.1
use.typekit.net/af/82d592/000000000000000077586b5a/31/l?subset_id=2&fvd=i7&v=3http/1.1
/content/v1/5b5a620450a54f07a31da4a5/1558038333009-ZR41FQ...http/1.1

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
fonts.googleapis.com/css2?family=Caesar+Dressing:ital,wght@0,400765 B871 ms
/universal/styles-compressed/slide-normalize-f3e05d707a08...1.2 KiB752 ms
/universal/styles-compressed/slides-bd97de6bd5f5ff9b-min....4.4 KiB301 ms

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
/ik/V4GeQb0mgg7ATDuTRPXDn1ZpcjpzI_nZnPiyI9ArlWvfenMIf4e6p...604800.0 s7.1 KiB
/p.gif?s=2&k=2019345_5b5a620450a54f07a31da4a5&ht=tk&h=www...604800.0 s379 B

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
Pete_s Restaurants_77.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_203 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427221542-BDOPSB...1.1 MiB937.9 KiB
Pete_s Restaurants_56.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_173 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426934486-LUOXUR...1.1 MiB891.0 KiB
Pete_s Restaurants_02.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_116 > img#yui_3_17_2_1_1778412425146_1290
/content/v1/5b5a620450a54f07a31da4a5/1559426205909-6EE4KZ...988.0 KiB761.9 KiB
Pete_s Restaurants_61.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_182 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427160638-RTKPVF...772.8 KiB546.3 KiB
Pete_s Restaurants_73.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_200 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427200025-205BV8...631.5 KiB405.0 KiB
Pete_s Restaurants_22.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_143 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426620150-1SIAIJ...618.3 KiB391.9 KiB
IMG_1318[2963].JPG div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_113 > img#yui_3_17_2_1_1778412425146_829
/content/v1/5b5a620450a54f07a31da4a5/1559426117296-WVKY6P...594.2 KiB367.8 KiB
Pete_s Restaurants_14.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_131 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426338795-5WUBHZ...570.9 KiB344.5 KiB
Pete_s Restaurants_15.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_134 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426333933-7IVV20...514.9 KiB288.4 KiB
Pete_s Restaurants_13.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_128 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426277917-ET5H4C...500.2 KiB273.7 KiB
Pete_s Restaurants_52.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_170 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426925043-4VGUOW...478.7 KiB252.3 KiB
Pete_s Restaurants_62.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_185 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427149176-DD7BYY...463.2 KiB236.8 KiB
Pete_s Restaurants_46.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_167 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426894464-1QEPGI...433.7 KiB207.3 KiB
Pete_s Restaurants_19.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_137 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426334548-4TFL8U...400.6 KiB174.1 KiB
Pete_s Restaurants_34.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_155 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426680222-UNVKBD...377.1 KiB150.7 KiB
Pete_s Restaurants_20.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_140 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426617953-RFR7JD...366.1 KiB139.6 KiB
Pete_s Restaurants_25.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_146 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426655757-GR54JN...364.9 KiB138.7 KiB
Pete_s Restaurants_58.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_176 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426906982-GXS9E1...334.2 KiB108.1 KiB
Pete_s Restaurants_66.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_194 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427153816-EZ0NFH...332.7 KiB106.2 KiB
Pete_s Restaurants_07.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_119 > img#yui_3_17_2_1_1778412425146_1400
/content/v1/5b5a620450a54f07a31da4a5/1559426274352-PP5CJK...332.5 KiB106.0 KiB
Pete_s Restaurants_26.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_149 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426669736-PY7IE9...323.4 KiB97.2 KiB
Pete_s Restaurants_30.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_152 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426671406-OWESAE...315.1 KiB88.6 KiB
Pete_s Restaurants_65.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_191 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427152497-8IAHVA...314.2 KiB87.7 KiB
Pete_s Restaurants_08.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_122 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426236618-1TGO9N...299.5 KiB73.0 KiB
Pete_s Restaurants_63.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_188 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427151003-VJ73GY...296.5 KiB70.0 KiB
Pete_s Restaurants_69.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_197 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559427112773-A6AJDO...293.0 KiB66.6 KiB
Pete_s Restaurants_36.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_161 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426843408-6ANEXF...270.4 KiB44.0 KiB
Pete_s Restaurants_09.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_125 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426275960-LU1ETE...263.8 KiB37.3 KiB
Pete_s Restaurants_60.jpg div#yui_3_17_2_1_1778412425146_830 > div#yui_3_17_2_1_1778412425146_111 > div#yui_3_17_2_1_1778412425146_179 > img.loaded
/content/v1/5b5a620450a54f07a31da4a5/1559426939214-DECBRC...243.2 KiB16.7 KiB

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: 1.1 s
URLTime Spent
petesrestaurants.com/1.1 s
www.petesrestaurants.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

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: 2.7 s 519.8 KiB
URLTransfer SizeEst Savings
/universal/scripts-compressed/common-6a459dad7444b31d-min...274.0 KiB171.6 KiB
/universal/scripts-compressed/slides-685aea39541f033d-min...159.5 KiB109.4 KiB
www.googletagmanager.com/gtag/js?id=G-VS6FV8D2V8156.9 KiB66.9 KiB
/universal/scripts-compressed/common-vendors-a5542c281427...167.7 KiB62.4 KiB
/universal/scripts-compressed/extract-css-moment-js-vendo...44.0 KiB43.2 KiB
/universal/scripts-compressed/common-vendors-stable-b8d71...80.1 KiB39.4 KiB
/universal/scripts-compressed/37231-b90ed72cfa0f5072-min....46.2 KiB26.9 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
/universal/scripts-compressed/common-6a459dad7444b31d-min...1.8 s1.0 s84 ms
Unattributable976 ms14 ms0.0 ms
www.petesrestaurants.com/680 ms19 ms21 ms
/universal/scripts-compressed/common-vendors-stable-b8d71...559 ms337 ms17 ms
www.googletagmanager.com/gtag/js?id=G-VS6FV8D2V8235 ms198 ms36 ms
/universal/scripts-compressed/slides-685aea39541f033d-min...160 ms100 ms53 ms
/universal/scripts-compressed/37231-b90ed72cfa0f5072-min....128 ms118 ms9.4 ms
assets.squarespace.com/@sqs/polyfiller/1.6/modern.js102 ms88 ms11 ms
/universal/scripts-compressed/extract-css-moment-js-vendo...72 ms1.0 ms70 ms
/universal/scripts-compressed/common-vendors-a5542c281427...58 ms4.3 ms48 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation2.0 s
Other1.7 s
Style & Layout599 ms
Script Parsing & Compilation382 ms
Rendering100 ms
Parse HTML & CSS65 ms
Garbage Collection47 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 26.9 KiB
URLTransfer SizeEst Savings
/*! Squarespace LESS Compiler (less.js language v1.3.3) */ .sqs-slide-wrapper[data-slide-type="co…28.0 KiB26.9 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
/content/v1/5b5a620450a54f07a31da4a5/1559427221542-BDOPSB...1.1 MiB
/content/v1/5b5a620450a54f07a31da4a5/1559426934486-LUOXUR...1.1 MiB
/content/v1/5b5a620450a54f07a31da4a5/1559426205909-6EE4KZ...988.4 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559427160638-RTKPVF...773.2 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559427200025-205BV8...631.9 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559426620150-1SIAIJ...618.7 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559426117296-WVKY6P...594.6 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559426338795-5WUBHZ...571.3 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559426333933-7IVV20...515.3 KiB
/content/v1/5b5a620450a54f07a31da4a5/1559426277917-ET5H4C...500.5 KiB

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

●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●User Timing marks and measures 42 user timings
●Avoid long main-thread tasks 13 long tasks found
●Image elements have explicit `width` and `height`
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 110 ms
●Server Backend Latencies 800 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 120 ms
○INP breakdown
○LCP request discovery
○Avoid non-composited animations
○Avoid large layout shifts
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.

○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>`
●Image elements have `[alt]` attributes
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●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>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Touch targets have sufficient size and spacing.
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
○`[accesskey]` values are unique
○`[aria-*]` attributes match their roles
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA attributes are used as specified for the element's role
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements use only permitted ARIA attributes
○`[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
○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
○`[aria-*]` attributes have valid values
○`[aria-*]` attributes are valid and not misspelled
○Buttons have an accessible name
○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
○Form elements have associated labels
○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.
○No element has a `[tabindex]` value greater than 0
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Identical links have the same purpose.
○Elements with visible text labels have matching accessible names.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
100

Best Practices

●Uses HTTPS
●Avoids deprecated APIs
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●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 clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
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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