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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.

25

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.

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:186.739 source:map[column:84041 line:1 type:source-location url:https://www.constantcontact.com/_next/static/chunks/2117-4ca1a743e6f7e736.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:45.3 source:map[type:text value:[unattributed]]] map[reflowTime:3.785 source:map[column:197936 line:6 type:source-location url:https://www.constantcontact.com/_next/static/chunks/9703-725336a861474030.js urlProvider:network]] map[reflowTime:95.349 source:map[column:50056 line:0 type:source-location url:https://www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js urlProvider:network]] map[reflowTime:31.355 source:map[column:2.219e+06 line:0 type:source-location url:https://www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js urlProvider:network]] map[reflowTime:16.406 source:map[column:2.198564e+06 line:0 type:source-location url:https://www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js urlProvider:network]] map[reflowTime:17.613 source:map[column:714723 line:6 type:source-location url:https://www.constantcontact.com/_next/static/chunks/9703-725336a861474030.js urlProvider:network]] map[reflowTime:11.442 source:map[column:726205 line:6 type:source-location url:https://www.constantcontact.com/_next/static/chunks/9703-725336a861474030.js urlProvider:network]] map[reflowTime:10.789 source:map[column:821986 line:0 type:source-location url:https://www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js urlProvider:network]] map[reflowTime:0.191 source:map[column:2.294534e+06 line:0 type:source-location url:https://www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js urlProvider:network]]]

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-SECTION
nodeLabel: The #1 email marketing platform for small businesses* Turn every message into …
path: 1,HTML,1,BODY,4,DIV,3,MAIN,1,SECTION
selector: body.body--40yu8MRofI9rPdJW0j27Dn > div.main-grid > main#main > section#features-checkbox-section
snippet: <section class="section-6POh4atmPjWqtrDt2uBDEZ padding-top50 padding-bottom356 background …" id="features-checkbox-section">

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
value: No additional origins are good candidates for preconnecting

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.

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
Row of integration partner logos including LinkedIn, Instagram, Zapier, Shopify… div.container > div.responsive-next-image-wrapper > picture > img
/t21gix3kzulv/7uH2p0BCzZPJio2tkS8EHS/19640c0fe1b66064e40b...34.1 KiB21.1 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

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.

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: 1.0 s

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.

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.constantcontact.com/_next/static/chunks/2117-4ca1a743e6f7e736.js11.6 s5.9 s22 ms
www.constantcontact.com/_next/static/chunks/9703-725336a861474030.js4.1 s1.5 s228 ms
www.constantcontact.com/3.0 s125 ms128 ms
www.constantcontact.com/_next/static/chunks/fd9d1056-5f297395f8861547.js1.9 s785 ms29 ms
/36973317-3a13-4d05-864e-97fcc940b9ee/cc.js?renew=false&r...1.8 s745 ms72 ms
Unattributable1.7 s69 ms0.0 ms
www.constantcontact.com/_next/static/chunks/4153-c2e55cd001fe0643.js1.7 s1.2 s413 ms
js.driftt.com/include/1776798600000/ugttdg9w9wam.js710 ms656 ms35 ms
www.googletagmanager.com/gtag/js?id=G-14T5LGLSQ3625 ms517 ms92 ms
consent.cookiebot.com/uc.js612 ms469 ms23 ms
www.constantcontact.com/cdn-cgi/challenge-platform/scripts/jsd/main.js571 ms494 ms6.1 ms
transcend-cdn.com/cm/ceb33a79-6942-496d-82eb-e6af9c7658ef/ui.js333 ms270 ms59 ms
code.tidio.co/widget-v4/1_427_0/static/js/widget.155aa5f3d5f6bde40f89.js309 ms202 ms92 ms
transcend-cdn.com/cm/ceb33a79-6942-496d-82eb-e6af9c7658ef/airgap.js271 ms220 ms41 ms
www.constantcontact.com/_next/static/chunks/webpack-fcfde5070726a0dd.js258 ms255 ms1.9 ms
tags.tiqcdn.com/utag/cc/main/prod/utag.js238 ms213 ms10 ms
tags.tiqcdn.com/utag/cc/main/prod/utag.480.js?utv=ut4.49.202510131629153 ms123 ms4.3 ms
www.constantcontact.com/_next/static/chunks/2301-194e3fcd484b2704.js151 ms116 ms33 ms
www.constantcontact.com/_next/static/chunks/3490-760051916a01b1dc.js139 ms108 ms7.3 ms
www.google-analytics.com/analytics.js133 ms104 ms9.3 ms
www.constantcontact.com/_next/static/chunks/c473e9eb-3c280b268b890971.js109 ms1.2 ms107 ms
/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312...96 ms68 ms6.1 ms
www.constantcontact.com/scripts/jquery-3.6.0.min.js93 ms69 ms14 ms
code.tidio.co/usgorq7afpylbguklelrnun3aztkdoyf.js93 ms90 ms1.5 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 Evaluation14.8 s
Parse HTML & CSS6.8 s
Other4.1 s
Style & Layout2.7 s
Script Parsing & Compilation1.6 s
Rendering1.2 s
Garbage Collection203 ms

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
Constant Contact footer.footer > div.footer__top > div.footer__ctct-logo > img.footer__ctct-logo-white
www.constantcontact.com/images/footer/ctct-logo-white.svg
United States div#country-select > div.select-option-inner-wrapper > div.select-option-flag > img
www.constantcontact.com/flags/US.svg
Constant Contact - Google Play Store div.footer__social-signup-wrapper > div.footer__app-logos > a > img.footer__app-logos-google
www.constantcontact.com/images/footer/google-playstore-icon.svg
Constant Contact - Apple App Store div.footer__social-signup-wrapper > div.footer__app-logos > a > img.footer__app-logos-apple
www.constantcontact.com/images/footer/apple-appstore-icon.svg
Constant Contact - G2 div.footer__badges > div.footer__badge-g2 > a > img.footer__g2
www.constantcontact.com/images/footer/g2-widget-white.svg

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
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 8 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 90 ms
Server Backend Latencies 290 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 390 ms
Avoid large layout shifts 2 layout shifts found
INP breakdown
Avoid non-composited animations
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.

ARIA

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
United States div.field > div.field__select-wrapper > div.MuiInputBase-root > div#country-select

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Power your business from one platform. div.column-content > div.column-content__text > div.text-block > h3
About Us div.footer__top-links > div.footerLinksCol1 > div.footer__top-links-column > h5

These are opportunities to improve keyboard navigation in your application.

Names and labels

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Constant Contact - G2 div.footer__social-signup-wrapper > div.footer__badges > div.footer__badge-g2 > a
Constant Contact - Apple App Store div.footer__top > div.footer__social-signup-wrapper > div.footer__app-logos > a
Constant Contact - Google Play Store div.footer__top > div.footer__social-signup-wrapper > div.footer__app-logos > a

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of 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
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 have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links are distinguishable without relying on color.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
`[lang]` attributes have a valid value
Document has a main landmark.
Deprecated ARIA roles were not used
All heading elements contain content.
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements 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
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
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.
73

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
div.header__menu-body > div.merch-tile > div > img.merch-tile__img div.header__menu-body > div.merch-tile > div > img.merch-tile__img
/t21gix3kzulv/1M84O6TDPeOsVAyhZeg0GD/a6e7923e0e833db2fdfb...210 x 221 (0.95)504 x 542 (0.93)
div.header__menu-body > div.merch-tile > div > img.merch-tile__img div.header__menu-body > div.merch-tile > div > img.merch-tile__img
/t21gix3kzulv/4Ze3OlxYKzYzCNlBlFuaAS/f09fc7898caef65f2fee...210 x 221 (0.95)536 x 378 (1.42)
div.header__menu-body > div.merch-tile > div > img.merch-tile__img div.header__menu-body > div.merch-tile > div > img.merch-tile__img
/t21gix3kzulv/6MvvAiRZ0wmJY4zLXfKiK4/dcf3150e0daa32583b55...210 x 221 (0.95)377 x 78 (4.83)

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.

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 404 ()
Multiple scripts found, cannot determine custom domain

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
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 clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
92

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.

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

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
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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