B — https://zed.dev | BeaverCheck Audit

Site Health

Score: 80 / 100

Based on 8 categories, 0 sections

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

Top Priorities (5)

12 image-only link(s) without alt text

Accessibility › Link & Button Quality

41 button(s) with no accessible text

Accessibility › Link & Button Quality

9 control(s) without accessible label

Accessibility › Form Accessibility

156 HTTP requests — consider bundling or reducing

Performance › Page Weight Budget

Cookie '__cf_bm' has no SameSite attribute

Security › Cookie Security

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[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fzed.dev)](https://beavercheck.com/results/ea9f4a69-ced9-fcec-0800-c1d4286eeb26)

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

4.08 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

14.78 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

132.65 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

32.53 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

175.56 s

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.

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

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

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.

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:203.853 source:map[column:84059 line:1 type:source-location url:https://zed.dev/_next/static/chunks/1929-38b078550affd7fb.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:76.308 source:map[column:2750 line:0 type:source-location url:https://zed.dev/_next/static/chunks/3589-5a52e63828192df1.js urlProvider:network]] map[reflowTime:74.907 source:map[column:25604 line:0 type:source-location url:https://zed.dev/_next/static/chunks/4587-73a1472f469140c9.js urlProvider:network]] map[reflowTime:52.638 source:map[column:9312 line:0 type:source-location url:https://zed.dev/_next/static/chunks/7725-58431a4787f9111a.js urlProvider:network]] map[reflowTime:91.591 source:map[column:6881 line:11 type:source-location url:https://zed.dev/_next/static/chunks/7725-58431a4787f9111a.js urlProvider:network]] map[reflowTime:26.503 source:map[column:18942 line:29 type:source-location url:https://zed.dev/_next/static/chunks/9619-b9f5b871350ea0ae.js urlProvider:network]]]

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.

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

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.

URL	Transfer Size	Duration
zed.dev/_next/static/css/277f237d599ea3ba.css	40.7 KiB	333 ms
zed.dev/_next/static/css/77704a51415ef1f0.css	1.1 KiB

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Request	Cache TTL	Transfer Size
avatars.githubusercontent.com/u/810438?v=4	300.0 s	43.3 KiB
avatars.githubusercontent.com/u/230541?v=4	300.0 s	28.0 KiB
avatars.githubusercontent.com/u/55462?v=4	300.0 s	20.0 KiB
avatars.githubusercontent.com/u/6402205?v=4	300.0 s	18.1 KiB
avatars.githubusercontent.com/u/9582?v=4	300.0 s	12.5 KiB
zed.dev/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js	2813.0 s	761 B

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

	URL	Resource Size	Est Savings
div.relative > div.size-full > div.group > img.aspect-video `div.relative > div.size-full > div.group > img.aspect-video`	zed.dev/_next/image?url=%2Fimg%2Fwindows%2Fwindows-home.webp&w=750&q=75	16.5 KiB	13.4 KiB
body.__variable_845651 > div.pointer-events-none `body.__variable_845651 > div.pointer-events-none`	zed.dev/_next/static/media/noise.f156f495.webp	20.5 KiB	9.9 KiB
Avatar `div.flex > div.flex > button#base-ui-:R1rbeipucv9akq: > img.size-4`	github.com/identicons/zed.png	6.0 KiB	6.0 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.

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.

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.

Estimated savings: 330 ms 131.8 KiB

URL	Transfer Size	Est Savings
www.googletagmanager.com/gtag/js?id=AW-17960676309	144.9 KiB	64.3 KiB
zed.dev/_next/static/chunks/5523-96f14a5cd8d4697b.js	49.8 KiB	38.7 KiB
zed.dev/_next/static/chunks/8503-549245938b7c8790.js	38.5 KiB	28.8 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.

URL	Total CPU Time	Script Evaluation	Script Parse
zed.dev/_next/static/chunks/3589-5a52e63828192df1.js	137.4 s	11.9 s	2.5 ms
zed.dev/_next/static/chunks/9619-b9f5b871350ea0ae.js	14.7 s	137 ms	6.9 ms
zed.dev/_next/static/chunks/9175677c-1b928a0b61c19e42.js	11.0 s	293 ms	26 ms
zed.dev/_next/static/chunks/1929-38b078550affd7fb.js	5.0 s	4.1 s	14 ms
zed.dev/	4.2 s	75 ms	266 ms
zed.dev/_next/static/chunks/171-7a9d999412ca0248.js	1.8 s	862 ms	7.4 ms
zed.dev/_next/static/chunks/6251-8d52ff516a090115.js	1.7 s	472 ms	2.0 ms
Unattributable	1.5 s	147 ms	0.0 ms
zed.dev/_next/static/chunks/7725-58431a4787f9111a.js	482 ms	8.7 ms	9.0 ms
www.googletagmanager.com/gtag/js?id=AW-17960676309	218 ms	180 ms	36 ms
zed.dev/_next/static/chunks/webpack-2b126fc0edee5b1d.js	122 ms	81 ms	1.1 ms
zed.dev/_next/static/chunks/8503-549245938b7c8790.js	100 ms	88 ms	11 ms
zed.dev/_next/static/chunks/4587-73a1472f469140c9.js	90 ms	73 ms	17 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

Category	Time Spent
Other	152.9 s
Script Evaluation	18.5 s
Style & Layout	3.6 s
Rendering	2.6 s
Script Parsing & Compilation	522 ms
Garbage Collection	313 ms
Parse HTML & CSS	274 ms

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

URL	Transfer Size
zed.dev/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Fmcp-poster.webp&w=3840&q=75	171.0 KiB
zed.dev/	168.3 KiB
zed.dev/_next/static/media/40e24582d8f682d9-s.p.woff2	160.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17960676309	145.3 KiB
/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Finline-assi...	144.8 KiB
zed.dev/_next/static/media/0d5927bcd2da94b8-s.p.woff2	138.1 KiB
/_next/image?url=%2Fimg%2Fedit-prediction%2Fedit-1-poster...	124.4 KiB
/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Fexplore-pos...	117.8 KiB
zed.dev/_next/static/media/f00a8cab8c12a6ea-s.p.woff2	63.4 KiB
zed.dev/_next/static/media/64bcbd4d7db4ef3a-s.p.woff2	61.8 KiB

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

●Layout shift culprits

●Document request latency

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 12 animated elements 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 310 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 110 ms

○INP breakdown

○LCP request discovery

○User Timing marks and measures

○Avoid large layout shifts

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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Failing Elements
body.__variable_845651 > div.default-border-color > div.p-3 > button.group `body.__variable_845651 > div.default-border-color > div.p-3 > button.group`
div.size-full > div.tab-bar-height > div.flex > button.select-none `div.size-full > div.tab-bar-height > div.flex > button.select-none`
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.size-full > div > div.p-1 > button.select-none `div.size-full > div > div.p-1 > button.select-none`
div > div.p-1 > div.w-full > button.select-none `div > div.p-1 > div.w-full > button.select-none`
div.p-1 > div.w-full > div.flex > button.select-none `div.p-1 > div.w-full > div.flex > button.select-none`
div.size-full > div > div.p-1.5 > button.select-none `div.size-full > div > div.p-1.5 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.

Failing Elements
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`

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.

Failing Elements
Nathan Sobo's GitHub profile `div.relative > div.mt-8 > div.-ml-1 > a.group`
Antonio Scandurra's GitHub profile `div.relative > div.mt-8 > div.-ml-1 > a.group`

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

●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.

●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

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Links are distinguishable without relying on color.

●Links have a discernible name

●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

●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.

○`[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.

○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.

○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.

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

Source	Description
cloud.zed.dev/frontend/session	`Failed to load resource: the server responded with a status of 401 ()`

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.

URL
zed.dev/

●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 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

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

○Detected JavaScript libraries

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.

Link destination	Link Text
zed.dev/ai	Learn More
zed.dev/edit-prediction	Learn More
zed.dev/docs/ai/inline-assistant	Learn More
zed.dev/acp	Learn More
zed.dev/docs/editing-code	Learn More
zed.dev/docs/configuring-languages	Learn More
zed.dev/docs/outline-panel	Learn More
zed.dev/blog/text-manipulation	Learn More

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`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

594 ms

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

1.80 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

32.94 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

8.62 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

38.21 s

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.

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

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:180.298 source:map[column:84059 line:1 type:source-location url:https://zed.dev/_next/static/chunks/1929-38b078550affd7fb.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:89.042 source:map[type:text value:[unattributed]]] map[reflowTime:62.272 source:map[column:2750 line:0 type:source-location url:https://zed.dev/_next/static/chunks/3589-5a52e63828192df1.js urlProvider:network]] map[reflowTime:74.37 source:map[column:25604 line:0 type:source-location url:https://zed.dev/_next/static/chunks/4587-73a1472f469140c9.js urlProvider:network]] map[reflowTime:43.656 source:map[column:9312 line:0 type:source-location url:https://zed.dev/_next/static/chunks/7725-58431a4787f9111a.js urlProvider:network]] map[reflowTime:91.567 source:map[column:6881 line:11 type:source-location url:https://zed.dev/_next/static/chunks/7725-58431a4787f9111a.js urlProvider:network]] map[reflowTime:28.746 source:map[column:18942 line:29 type:source-location url:https://zed.dev/_next/static/chunks/9619-b9f5b871350ea0ae.js urlProvider:network]] map[reflowTime:32.716 source:map[column:63799 line:0 type:source-location url:https://zed.dev/_next/static/chunks/7938-06cb79a891b5035e.js urlProvider:network]]]

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.

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

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Request	Cache TTL	Transfer Size
avatars.githubusercontent.com/u/810438?v=4	300.0 s	43.3 KiB
avatars.githubusercontent.com/u/230541?v=4	300.0 s	28.0 KiB
avatars.githubusercontent.com/u/55462?v=4	300.0 s	20.0 KiB
avatars.githubusercontent.com/u/6402205?v=4	300.0 s	18.2 KiB
avatars.githubusercontent.com/u/9582?v=4	300.0 s	12.5 KiB
zed.dev/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js	2786.0 s	757 B

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

	URL	Resource Size	Est Savings
body.__variable_845651 > div.pointer-events-none `body.__variable_845651 > div.pointer-events-none`	zed.dev/_next/static/media/noise.f156f495.webp	20.5 KiB	9.9 KiB
Avatar `div.flex > div.flex > button#base-ui-:R1rbeipucv9akq: > img.size-4`	github.com/identicons/zed.png	6.0 KiB	6.0 KiB

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.

URL	Transfer Size
zed.dev/_next/static/css/277f237d599ea3ba.css	40.7 KiB
zed.dev/_next/static/css/77704a51415ef1f0.css	1.1 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.

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.

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.

Estimated savings: 50 ms 131.8 KiB

URL	Transfer Size	Est Savings
www.googletagmanager.com/gtag/js?id=AW-17960676309	144.9 KiB	64.3 KiB
zed.dev/_next/static/chunks/5523-96f14a5cd8d4697b.js	49.8 KiB	38.7 KiB
zed.dev/_next/static/chunks/8503-549245938b7c8790.js	38.5 KiB	28.8 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.

URL	Total CPU Time	Script Evaluation	Script Parse
zed.dev/_next/static/chunks/9175677c-1b928a0b61c19e42.js	28.5 s	89 ms	3.1 ms
zed.dev/_next/static/chunks/3589-5a52e63828192df1.js	10.5 s	266 ms	0.6 ms
zed.dev/_next/static/chunks/9619-b9f5b871350ea0ae.js	2.5 s	8.8 ms	2.1 ms
zed.dev/_next/static/chunks/1929-38b078550affd7fb.js	1.1 s	857 ms	2.5 ms
zed.dev/_next/static/chunks/7725-58431a4787f9111a.js	996 ms	18 ms	2.3 ms
zed.dev/	590 ms	16 ms	57 ms
Unattributable	294 ms	16 ms	0.0 ms
zed.dev/_next/static/chunks/171-7a9d999412ca0248.js	180 ms	161 ms	1.1 ms
zed.dev/_next/static/chunks/6251-8d52ff516a090115.js	71 ms	42 ms	0.7 ms
www.googletagmanager.com/gtag/js?id=AW-17960676309	54 ms	43 ms	10 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

Category	Time Spent
Other	42.1 s
Script Evaluation	1.6 s
Style & Layout	662 ms
Rendering	242 ms
Script Parsing & Compilation	120 ms
Garbage Collection	89 ms
Parse HTML & CSS	70 ms

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

URL	Transfer Size
zed.dev/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Fmcp-poster.webp&w=3840&q=75	171.0 KiB
zed.dev/	168.3 KiB
zed.dev/_next/static/media/40e24582d8f682d9-s.p.woff2	160.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17960676309	145.3 KiB
/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Finline-assi...	144.9 KiB
zed.dev/_next/static/media/0d5927bcd2da94b8-s.p.woff2	138.1 KiB
/_next/image?url=%2Fimg%2Fedit-prediction%2Fedit-1-poster...	125.0 KiB
/_next/image?url=%2Fimg%2Fagentic%2Fposters%2Fexplore-pos...	118.4 KiB
zed.dev/_next/static/media/f00a8cab8c12a6ea-s.p.woff2	63.4 KiB
zed.dev/_next/static/media/64bcbd4d7db4ef3a-s.p.woff2	61.9 KiB

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

●Layout shift culprits

●Document request latency

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 12 animated elements found

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

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 40 ms

●Server Backend Latencies 400 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 570 ms

○INP breakdown

○LCP request discovery

○User Timing marks and measures

○Avoid large layout shifts

Accessibility

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.

Failing Elements
Product Resources Extensions Docs Pricing `header.sticky > nav.w-full > div.flex > ul.hidden`
P Sign up S Download D `div.relative > header.sticky > nav.w-full > ul.ml-auto`

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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Failing Elements
body.__variable_845651 > div.default-border-color > div.p-3 > button.group `body.__variable_845651 > div.default-border-color > div.p-3 > button.group`
div.size-full > div.tab-bar-height > div.flex > button.select-none `div.size-full > div.tab-bar-height > div.flex > button.select-none`
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.size-full > div > div.p-1 > button.select-none `div.size-full > div > div.p-1 > button.select-none`
div > div.p-1 > div.w-full > button.select-none `div > div.p-1 > div.w-full > button.select-none`
div.p-1 > div.w-full > div.flex > button.select-none `div.p-1 > div.w-full > div.flex > button.select-none`
div.size-full > div > div.p-1.5 > button.select-none `div.size-full > div > div.p-1.5 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.

Failing Elements
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div > div.pr-1.5 > button.relative > input.[all:unset] `div > div.pr-1.5 > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`
div.relative > div.relative > button.relative > input.[all:unset] `div.relative > div.relative > button.relative > input.[all:unset]`

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.

Contrast

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

Failing Elements
import `code.flex > span.group/line > span > span.leading-5`
as `code.flex > span.group/line > span > span.leading-5`
from `code.flex > span.group/line > span > span.leading-5`
import `code.flex > span.group/line > span > span.leading-5`
from `code.flex > span.group/line > span > span.leading-5`
interface `code.flex > span.group/line > span > span.leading-5`
id `code.flex > span.group/line > span > span.leading-5`
title `code.flex > span.group/line > span > span.leading-5`
10 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
11 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
attendees `code.flex > span.group/line > span > span.leading-5`
12 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
snacksProvided `code.flex > span.group/line > span > span.leading-5`
13 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
actuallyStartsOnTime `span.group/line > span > button#base-ui-:R3agddr5jeipucv9akq: > span.leading-5`
Type 'string' is not assignable to type 'number'. `pre > code.flex > span.group/line > span.relative`
14 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
15 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
16 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
type `code.flex > span.group/line > span > span.leading-5`
17 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
18 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
function `code.flex > span.group/line > span > span.leading-5`
19 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
return `code.flex > span.group/line > span > span.leading-5`
length `code.flex > span.group/line > span > span.leading-5`
length `code.flex > span.group/line > span > span.leading-5`
20 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`
21 `code.flex > span.group/line > span.pl-1 > span.w-[4ch]`

These are opportunities to improve the legibility of your content.

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.

Failing Elements
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.relative > div > div.pr-1.5 > button.relative `div.relative > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.shrink > div > div.pr-1.5 > button.relative `div.shrink > div > div.pr-1.5 > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div > div.relative > div.relative > button.relative `div > div.relative > div.relative > button.relative`
div.size-full > div > div.p-1 > button.select-none `div.size-full > div > div.p-1 > button.select-none`
div.p-1 > div.w-full > div.flex > button.select-none `div.p-1 > div.w-full > div.flex > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none `div.flex-1 > div.tab-bar-height > div.px-1 > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.pl-2 > div.h-8.5 > div.flex > button.select-none `div.pl-2 > div.h-8.5 > div.flex > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div.relative > div.tab-bar-height > div.px-1 > button.select-none `div.relative > div.tab-bar-height > div.px-1 > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
div#theme-preview-shell > div.flex > div.flex > button.select-none `div#theme-preview-shell > div.flex > div.flex > button.select-none`
Learn More `div.grid > div#content_container > button#base-ui-:Rbempucv9akq: > a.fv-style`
Learn More `div.grid > div#content_container > button#base-ui-:Rleopucv9akq: > a.fv-style`
Nathan Sobo's GitHub profile `div.relative > div.mt-8 > div.-ml-1 > a.group`
Antonio Scandurra's GitHub profile `div.relative > div.mt-8 > div.-ml-1 > a.group`

These items highlight common accessibility best practices.

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.

Failing Elements
Watch Demo `div.relative > div.isolate > div.z-50 > button#base-ui-:rs:`

○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 have valid values

●`[aria-*]` attributes are valid and not misspelled

●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.

●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.

●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

●No element has a `[tabindex]` value greater than 0

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[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 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.

○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.

○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.

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

Source	Description
cloud.zed.dev/frontend/session	`Failed to load resource: the server responded with a status of 401 ()`

URL
zed.dev/

●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 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

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

○Detected JavaScript libraries

SEO

Content Best Practices

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

Link destination	Link Text
zed.dev/ai	Learn More
zed.dev/edit-prediction	Learn More
zed.dev/docs/ai/inline-assistant	Learn More
zed.dev/acp	Learn More
zed.dev/docs/editing-code	Learn More
zed.dev/docs/configuring-languages	Learn More
zed.dev/docs/outline-panel	Learn More
zed.dev/blog/text-manipulation	Learn More

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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