Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

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.

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

value: no origins were preconnected

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.

URL	Transfer Size	Duration
cleanpasteai.com/_next/static/chunks/0bvlei94cyx7c.css	14.3 KiB	150 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.

Request	Cache TTL	Transfer Size
scripts.clarity.ms/0.8.69/clarity.js	86400.0 s	25.2 KiB
analytics.ahrefs.com/analytics.js	14400.0 s	3.0 KiB

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.

	URL	Resource Size	Est Savings
Dirty paste breaks layouts. Clean paste stays tidy. `section.section-wash-fade > div.mx-auto > div.mt-10 > img.h-auto`	cleanpasteai.com/images/demo-before-after.webp	21.8 KiB	20.6 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

Diagnostics

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.

URL	Total CPU Time	Script Evaluation	Script Parse
cleanpasteai.com/	827 ms	8.3 ms	8.8 ms
cleanpasteai.com/_next/static/chunks/2aqhk1adku7v0.js	697 ms	645 ms	15 ms
Unattributable	367 ms	31 ms	0.0 ms
www.googletagmanager.com/gtag/js?id=G-247YXHPLQC	243 ms	201 ms	39 ms
scripts.clarity.ms/0.8.69/clarity.js	194 ms	174 ms	5.6 ms
cleanpasteai.com/_next/static/chunks/2eqj4whya9ga8.js	130 ms	84 ms	13 ms
accounts.google.com/gsi/client	66 ms	45 ms	21 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.

Category	Time Spent
Script Evaluation	1.2 s
Other	668 ms
Style & Layout	318 ms
Rendering	231 ms
Script Parsing & Compilation	137 ms
Parse HTML & CSS	21 ms
Garbage Collection	12 ms

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: 0.0 ms 169.9 KiB

URL	Transfer Size	Est Savings
accounts.google.com/gsi/client	98.1 KiB	73.9 KiB
www.googletagmanager.com/gtag/js?id=G-247YXHPLQC	168.2 KiB	70.3 KiB
cleanpasteai.com/_next/static/chunks/2aqhk1adku7v0.js	71.6 KiB	25.6 KiB

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

●Max Potential First Input Delay 130 ms

●Layout shift culprits

●Document request latency

●Optimize DOM size

●Font display

●Forced reflow

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●Avoids enormous network payloads Total size was 751 KiB

●Avoid long main-thread tasks 9 long tasks found

●Image elements have explicit `width` and `height`

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 30 ms

●Server Backend Latencies 80 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 80 ms

●Avoid large layout shifts 1 layout shift found

○INP breakdown

○LCP request discovery

○User Timing marks and measures

○Avoid non-composited animations

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Cleans invisible Unicode characters locally in your browser. Hidden marks vary … `div.flex > div.px-3 > div.relative > p.pointer-events-none`
0 characters · 0 words `div.px-3 > div.relative > div.pointer-events-none > span.whitespace-nowrap`
Paste `div.border-t > div.flex > div.flex > button.inline-flex`
Clear `div.border-t > div.flex > div.flex > button.shrink-0`
Try a sample `div.border-t > div.flex > div.flex > button.inline-flex`
Claude `main#top > section.section-wash > div.mx-auto > span.font-display`
ChatGPT `main#top > section.section-wash > div.mx-auto > span.font-display`
Gemini `main#top > section.section-wash > div.mx-auto > span.font-display`
Docs `main#top > section.section-wash > div.mx-auto > span.font-display`
CMS `main#top > section.section-wash > div.mx-auto > span.font-display`
Email `main#top > section.section-wash > div.mx-auto > span.font-display`
4 hidden characters · Markdown tags `div.mt-6 > div.overflow-hidden > div.mb-4 > span.text-xs`
Pristine plain text ready for docs `div.mt-6 > div.overflow-hidden > div.mb-4 > span.text-xs`
01 `div.mx-auto > ol.mt-12 > li.rounded-2xl > div.flex`
02 `div.mx-auto > ol.mt-12 > li.rounded-2xl > div.flex`
03 `div.mx-auto > ol.mt-12 > li.rounded-2xl > div.flex`
FEATURES `section#what > div.mx-auto > div.mx-auto > p.section-label`
DEFINITION `main#top > section#definition > div.mx-auto > p.section-label`
TECHNICAL SOURCES `section#sources > div.mx-auto > div.mx-auto > p.section-label`
Anthropic, How Claude’s text watermark works (14 Aug 2026) `blockquote.rounded-2xl > footer.mt-4 > cite > a.font-semibold`
Unicode Standard, General Punctuation (U+2000 block) `blockquote.rounded-2xl > footer.mt-4 > cite > a.font-semibold`
CommonMark Specification `section#sources > div.mx-auto > p.mt-5 > a.font-semibold`
USE CASES `section#cases > div.mx-auto > div.mx-auto > p.section-label`
01 `div.mt-14 > article.grid > div.flex > div.flex`
Open the tool → `div.mt-14 > article.grid > div.flex > a.mt-6`
02 `div.mt-14 > article.grid > div.flex > div.flex`
Open the tool → `div.mt-14 > article.grid > div.flex > a.mt-6`
03 `div.mt-14 > article.grid > div.flex > div.flex`
Open the tool → `div.mt-14 > article.grid > div.flex > a.mt-6`
04 `div.mt-14 > article.grid > div.flex > div.flex`
Open the tool → `div.mt-14 > article.grid > div.flex > a.mt-6`
TESTIMONIALS `section#testimonials > div.mx-auto > div.mx-auto > p.section-label`
Digital Media `div.mx-auto > div.mt-12 > article.flex > p.text-xs`
SaaS Documentation `div.mx-auto > div.mt-12 > article.flex > p.text-xs`
Content Agency `div.mx-auto > div.mt-12 > article.flex > p.text-xs`
GUIDES `section.bg-white > div.mx-auto > div.mx-auto > p.section-label`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
Tools `div.mx-auto > div.mt-12 > a.group > span.mt-5`
All Clean Paste Tools → `section.bg-white > div.mx-auto > div.mt-6 > a.text-sm`
CLEAN PASTE AI BLOG `section.bg-white > div.mx-auto > div.mt-12 > p.section-label`
Read article → `div.mt-5 > a.group > div.flex > span.mt-4`
Read article → `div.mt-5 > a.group > div.flex > span.mt-4`
Read article → `div.mt-5 > a.group > div.flex > span.mt-4`
Read article → `div.mt-5 > a.group > div.flex > span.mt-4`
Monthly `div.ambient-card > div.mx-auto > div.mx-auto > button.relative`
−50% `div.mx-auto > div.mx-auto > button.relative > span.rounded-full`
Credit Packs `div.ambient-card > div.mx-auto > div.mx-auto > button.relative`
CREDITS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
WORDS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
CREDITS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
WORDS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
CREDITS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
WORDS / MO `article.relative > div.mt-4 > div.rounded-xl > div.text-[10px]`
Available payment methods are confirmed on the Stripe Checkout page. `div.ambient-card > div.mx-auto > div.mt-14 > p.mt-4`
support@cleanpasteai.com `div.mx-auto > div.mt-14 > p.mt-3 > a.font-semibold`
ABOUT `section#about > div.mx-auto > div.text-center > p.section-label`
PRODUCT `div.mx-auto > div.grid > div > div.text-xs`
ALL TOOLS `div.mx-auto > div.grid > div > div.text-xs`
MODEL GUIDES `div.mx-auto > div.grid > div > div.text-xs`
About Us `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`
Contact `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`
Privacy Policy `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`
Terms of Service `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`
Refund Policy `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`
support@cleanpasteai.com `footer.border-t > div.mx-auto > nav.mt-12 > a.hover:text-ink`

These are opportunities to improve the legibility of your content.

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
div.sticky > header.border-b > div.mx-auto > a.flex `div.sticky > header.border-b > div.mx-auto > a.flex`

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.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Install Clean Paste AI as an app `body.min-h-screen > div.fixed > div.group > button.inline-flex`

These items highlight common accessibility best practices.

○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

●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.

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Deprecated ARIA roles were not used

●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.

○`[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 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

○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

○`<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.

Best Practices

General

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.

Source	Description
accounts.google.com/gsi/client line 87, col 88	`[GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token.`
scripts.clarity.ms/0.8.69/clarity.js line 1, col 49436	Connecting to 'https://k.clarity.ms/collect' violates the following Content Security Policy directive: "connect-src 'self' https://accounts.google.com https://apis.google.com https://api.stripe.com https://checkout.stripe.com https://api.indexnow.org https://www.google-analytics.com https://region1.google-analytics.com https://analytics.google.com https://stats.g.doubleclick.net https://umami.bestvid.net https://www.clarity.ms https://c.clarity.ms https://e.clarity.ms https://r.clarity.ms https://analytics.ahrefs.com". The action has been blocked.
scripts.clarity.ms/0.8.69/clarity.js line 1, col 49447	Connecting to 'https://k.clarity.ms/collect' violates the following Content Security Policy directive: "connect-src 'self' https://accounts.google.com https://apis.google.com https://api.stripe.com https://checkout.stripe.com https://api.indexnow.org https://www.google-analytics.com https://region1.google-analytics.com https://analytics.google.com https://stats.g.doubleclick.net https://umami.bestvid.net https://www.clarity.ms https://c.clarity.ms https://e.clarity.ms https://r.clarity.ms https://analytics.ahrefs.com". The action has been blocked.
scripts.clarity.ms/0.8.69/clarity.js line 1, col 49101	Connecting to 'https://k.clarity.ms/collect' violates the following Content Security Policy directive: "connect-src 'self' https://accounts.google.com https://apis.google.com https://api.stripe.com https://checkout.stripe.com https://api.indexnow.org https://www.google-analytics.com https://region1.google-analytics.com https://analytics.google.com https://stats.g.doubleclick.net https://umami.bestvid.net https://www.clarity.ms https://c.clarity.ms https://e.clarity.ms https://r.clarity.ms https://analytics.ahrefs.com". The action has been blocked.
scripts.clarity.ms/0.8.69/clarity.js line 1, col 49101	Connecting to 'https://k.clarity.ms/collect' violates the following Content Security Policy directive: "connect-src 'self' https://accounts.google.com https://apis.google.com https://api.stripe.com https://checkout.stripe.com https://api.indexnow.org https://www.google-analytics.com https://region1.google-analytics.com https://analytics.google.com https://stats.g.doubleclick.net https://umami.bestvid.net https://www.clarity.ms https://c.clarity.ms https://e.clarity.ms https://r.clarity.ms https://analytics.ahrefs.com". The action has been blocked.
accounts.google.com/gsi/client line 289, col 353	`Loading the stylesheet 'https://accounts.google.com/gsi/style' violates the following Content Security Policy directive: "style-src 'self' 'unsafe-inline'". Note that 'style-src-elem' was not explicitly set, so 'style-src' is used as a fallback. The action has been blocked.`
cleanpasteai.com/	`Not signed in with the identity provider.`
cleanpasteai.com/	`Not signed in with the identity provider.`

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy

●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

●Ensure CSP is effective against XSS attacks

●Ensure proper origin isolation with COOP

●Mitigate DOM-based XSS with Trusted Types

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Use a strong HSTS policy

○Mitigate clickjacking with XFO or CSP

○Detected JavaScript libraries

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`