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Audit Complete

Results for https://tradingview.com

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Corporate / Enterprise · estimated Tracking: leads
Spain Spain · Madrid Completed: Apr 16, 2026 17:26 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
C74

Site Health

Score: 74 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Solid infrastructure — fast server responses across the board.

Mostly compliant — a few items need attention.

Rich content metadata — your pages look great everywhere.

Heavier than average — reducing page weight saves energy and bandwidth.

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.

How the composite score is calculated

How you compare

Amazon Route 53 sites average 72
At average
Better than 59% of Amazon Route 53 sites See full Amazon Route 53 benchmark →
Apple sites average 73
At average
Better than 50% of Apple sites See full Apple benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
3

Page weighs 12.6 MB (8.0 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
4

171 image-only link(s) without alt text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
5

48 button(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

2

High impact, low effort — start here.

Strategic

3

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
BeaverCheck badge
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[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Ftradingview.com)](https://beavercheck.com/results/76fc6aa4-6095-4cb3-9686-c29a09d3cda3)
<a href="https://beavercheck.com/results/76fc6aa4-6095-4cb3-9686-c29a09d3cda3"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Ftradingview.com" alt="BeaverCheck Score"></a>
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What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 5.0s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Addressing the critical issues below would have the most immediate impact on your user trust.

2 security gaps detected — browsers may warn visitors about your site.
Your LCP is 5.0s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
2 accessibility issues exclude users who rely on assistive technology.
B
Could reach Estimate based on resolving critical issues

Conversion Barriers

2 critical 5 warning

7 barrier(s) likely increasing bounce by ~27%.

Speed (2)

Page takes 5.0s to load

+12% bounce

Users abandon at ~3s — you're 2.5s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 2.4s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (1)

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

Viewport disables user zoom

+2% bounce

Visitors with low vision can't read the page — and some jurisdictions treat this as a legal risk

Fix: Remove user-scalable=no; drop maximum-scale if it's below 2

Navigation (3)

61 link(s) with generic text ("click here", "read more")

+1% bounce

Screen-reader users navigating by link list see no context — and search engines can't infer relevance

Fix: Rewrite with descriptive phrases that identify the destination

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

1 broken link(s) on the page

+2% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

€510 investment → €3,068/month returns + EUR 120,500,000 risk avoided

Payback period: < 1 month First-year ROI: +7119%

Investment

€510

6h · 5 findings

Monthly returns

€3,068 /mo

~€36,816 / year

  • Conversions recovered €3,066
  • Bandwidth savings €1.87

Regulatory risk avoided

EUR 120,500,000

if kept compliant

  • ePrivacy Directive EUR 100,000,000
  • GDPR EUR 20,000,000
  • EAA EUR 500,000

Payback period

0 12mo 24mo

€85 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

€510

6.0 developer hours at €85/hr

Based on European Union rates (€85/hr)

Quick wins
€85 2 fixes in ~60 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€10,041,669 / month at risk

~€120,500,022 / year if left unfixed

Compliance Risk

€120,500,000

ePrivacy DirectiveGDPREAA
  • No privacy policy link detected
    GDPR: EUR 10,000 – EUR 20,000,000
  • 2 advertising/retargeting trackers detected
    GDPR: EUR 10,000 – EUR 20,000,000
  • Trackers detected but no cookie policy found
    GDPR: EUR 5,000 – EUR 10,000,000

+7 more

Bandwidth Waste

€1.87 /mo

25243.0 MB/mo × 0.074 EUR/GB

  • Optimize transfer: save ~2.5 MB per page load
    Saves €1.87/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

Was this report useful?

Thanks for your feedback!

We'll use a cached audit if available, or offer to scan.

Checking for existing audit...

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

37
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
88
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

4.95 s

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

4.98 s

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

2.39 s

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

0.006

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

7.03 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.

21.40 s

Detailed Report

Audit breakdown by category with detailed findings.

37

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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:109.104 source:map[column:826 line:42 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.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:99.123 source:map[type:text value:[unattributed]]] map[reflowTime:60.692 source:map[column:2350 line:2 type:source-location url:https://static.tradingview.com/static/bundles/30454.44a68f26d00c178ee0eb.js urlProvider:network]] map[reflowTime:4.661 source:map[column:1575 line:3 type:source-location url:https://static.tradingview.com/static/bundles/57028.f96062f1ea812ace584c.js urlProvider:network]] map[reflowTime:100.947 source:map[column:1151 line:3 type:source-location url:https://static.tradingview.com/static/bundles/57028.f96062f1ea812ace584c.js urlProvider:network]] map[reflowTime:104.842 source:map[column:629 line:32 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.js urlProvider:network]] map[reflowTime:4.093 source:map[column:765 line:10 type:source-location url:https://static.tradingview.com/static/bundles/pretty-histogram-chart-content.0efe569dd1324a1c141e.js urlProvider:network]] map[reflowTime:0.169 source:map[column:1257 line:33 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.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.

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.

URLTransfer SizeDuration
static.tradingview.com/static/bundles/39168.be6bb9b8e85c61618ac2.css2.6 KiB
static.tradingview.com/static/bundles/49303.f65277a327cfcc9473d1.css3.1 KiB
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static.tradingview.com/static/bundles/8115.b356443eccf896f07ea0.css1.6 KiB151 ms
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static.tradingview.com/static/bundles/57452.b8941f4bc4c4434798a5.css1.8 KiB
static.tradingview.com/static/bundles/42514.ddcfc8423f57ea5d6c31.css2.1 KiB
static.tradingview.com/static/bundles/9338.cd8e492646c80b0c0d76.css4.0 KiB
static.tradingview.com/static/bundles/18863.74cd90153d79c99a09e0.css2.7 KiB
static.tradingview.com/static/bundles/46830.df978bdf5e686ba27af4.css1012 B
static.tradingview.com/static/bundles/11142.2c77730d1125a4985bdc.css1.1 KiB
static.tradingview.com/static/bundles/37833.8457808decfdb6b99100.css1.2 KiB
static.tradingview.com/static/bundles/1207.72da660f3dbfe23d51f2.css1.6 KiB151 ms
static.tradingview.com/static/bundles/50858.f6a917ea9b9f0bfa28ef.css4.0 KiB844 ms
static.tradingview.com/static/bundles/97242.2ed3cfec3dfa32943d62.css1.0 KiB
static.tradingview.com/static/bundles/8598.af6e33d5ab0eea179833.css717 B
static.tradingview.com/static/bundles/52200.a8a7cbef8d60e4cd34f3.css4.7 KiB
static.tradingview.com/static/bundles/14638.bf61ded452dc3719e474.css2.8 KiB151 ms
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static.tradingview.com/static/bundles/10328.c070911187e1c3aae0c2.css1.4 KiB
static.tradingview.com/static/bundles/65963.2793a04e042ec67bcf67.css4.5 KiB
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static.tradingview.com/static/bundles/53421.2b3b6a6977f5f1f9506a.css1.6 KiB
static.tradingview.com/static/bundles/85500.3f2de0f7e8c0bddecfff.css740 B
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static.tradingview.com/static/bundles/41047.4dbeb4aaec2fc8b20ec6.css866 B
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static.tradingview.com/static/bundles/99109.ed06e63a465224e9fb1e.css3.6 KiB
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static.tradingview.com/static/bundles/76065.b795f08d2c5403ff02d2.css771 B
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static.tradingview.com/static/bundles/82595.0857ff1ef7161f1c3bd4.css2.6 KiB
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static.tradingview.com/static/bundles/75681.b368ed98a98c81f39dcb.css915 B
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static.tradingview.com/static/bundles/1696.8f1252bb3639947100c8.css824 B151 ms
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static.tradingview.com/static/bundles/55157.99b6db8d02dcee39aaff.css991 B
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static.tradingview.com/static/bundles/62239.bff441d3d485e49d3492.css1.6 KiB151 ms
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static.tradingview.com/static/bundles/54664.8dca623c2adefe748ee5.css2.0 KiB
static.tradingview.com/static/bundles/78124.975fb41d42ae2d51c08b.css683 B
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static.tradingview.com/static/bundles/45544.6e0ffa3305e804a09170.css691 B
static.tradingview.com/static/bundles/96335.9f3fef74572f01e20968.css697 B
static.tradingview.com/static/bundles/19668.4135014fe67b7749e083.css3.4 KiB
static.tradingview.com/static/bundles/90252.cad46185ce6271c85a7b.css1.6 KiB
static.tradingview.com/static/bundles/42750.a037223d54b0e535d7ef.css1018 B
static.tradingview.com/static/bundles/24552.f113a08bcffe4730a5ce.css747 B
static.tradingview.com/static/bundles/65371.0e10e2e16a49d1752890.css1.1 KiB
static.tradingview.com/static/bundles/4636.fa5ca51151efdcabf0f8.css933 B
static.tradingview.com/static/bundles/78293.2cdecafb812bbfd949e8.css1.4 KiB
static.tradingview.com/static/bundles/17658.d9419b6dcb64c88564c1.css754 B
static.tradingview.com/static/bundles/9967.de32a3cdcae12b15d6df.css654 B
static.tradingview.com/static/bundles/34415.df24026440d7f02ffaf8.css649 B
static.tradingview.com/static/bundles/22047.a62460e27cd6a273f7bb.css1.4 KiB
static.tradingview.com/static/bundles/56658.0e070e201446dd2abe0c.css2.1 KiB
static.tradingview.com/static/bundles/51713.bd16e12ba79d0f087c08.css1002 B
static.tradingview.com/static/bundles/79817.b7fb3d0b48c033f4119d.css2.9 KiB
static.tradingview.com/static/bundles/79541.09ee551c5b6263839bf7.css1.1 KiB
static.tradingview.com/static/bundles/51.3761f66f1e483cfe92d6.css684 B
static.tradingview.com/static/bundles/24657.35e629fc3e1220640aa0.css709 B
static.tradingview.com/static/bundles/83581.8b8666fb277ef77a9a6c.css702 B
static.tradingview.com/static/bundles/38423.2d545ded5bf80054013f.css599 B
static.tradingview.com/static/bundles/43712.6792629b26a663759b8e.css2.1 KiB151 ms
static.tradingview.com/static/bundles/55580.e53a5d2dc99569806de5.css716 B
static.tradingview.com/static/bundles/36075.1c739df7add305db2e84.css725 B
static.tradingview.com/static/bundles/39000.ccce3901d1148735fab3.css726 B
static.tradingview.com/static/bundles/80802.a3410b7b6a226ee51e55.css1.1 KiB
static.tradingview.com/static/bundles/6063.7de25da878da111a241c.css685 B
static.tradingview.com/static/bundles/23151.de3629dbf5957f2735d8.css1.3 KiB
static.tradingview.com/static/bundles/35719.a520b974d0d46efb88a2.css915 B
static.tradingview.com/static/bundles/21118.2b82f575ba1ceb54fa29.css860 B
static.tradingview.com/static/bundles/83493.2cc9ca20a9cf421e57d5.css2.4 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
s3-symbol-logo.tradingview.com/madison-air-solutions.svg300.0 s1.4 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.

URLResource SizeEst Savings
div.wrapper-b31obTJx > div.illustrationWrapper-b31obTJx > picture.illustration-b31obTJx > img.illustration-b31obTJx div.wrapper-b31obTJx > div.illustrationWrapper-b31obTJx > picture.illustration-b31obTJx > img.illustration-b31obTJx
/static/bundles/space-mobile-vertical.e528315c2da8a7f7195...207.3 KiB193.7 KiB
div.auroraWrapper-ZlCfCIuJ > div.aurora-ZlCfCIuJ > picture > img.auroraImg-ZlCfCIuJ div.auroraWrapper-ZlCfCIuJ > div.aurora-ZlCfCIuJ > picture > img.auroraImg-ZlCfCIuJ
static.tradingview.com/static/bundles/aurora.9fb1100135d77f0193c8.webp50.4 KiB46.7 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

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: 803 ms
URLTime Spent
tradingview.com/803 ms
www.tradingview.com/0.0 ms

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.

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.

URLTotal CPU TimeScript EvaluationScript Parse
www.tradingview.com/5.2 s331 ms22 ms
static.tradingview.com/static/bundles/41966.06597657fc835f300662.js4.7 s934 ms14 ms
Unattributable2.7 s37 ms0.0 ms
static.tradingview.com/static/bundles/main_page.9f3d3122f5dfbd8e53ed.js1.5 s1.1 s9.9 ms
static.tradingview.com/static/bundles/29365.438fd979971c174d6b81.js1.0 s594 ms14 ms
static.tradingview.com/static/bundles/base.ab928edb76c0f6dab3d9.js615 ms578 ms0.5 ms
static.tradingview.com/static/bundles/57028.f96062f1ea812ace584c.js519 ms10 ms2.3 ms
static.tradingview.com/static/bundles/60380.b4abe47e6ad1ca4864fe.js303 ms214 ms5.0 ms
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E0287 ms210 ms41 ms
/pagead/managed/js/gpt/m202604130101/pubads_impl.js207 ms119 ms45 ms
static.tradingview.com/static/bundles/70071.d4a1dac32e09c927c721.js197 ms193 ms2.0 ms
static.tradingview.com/static/bundles/78511.190edf1f296457928c74.js182 ms146 ms8.0 ms
static.tradingview.com/static/bundles/39011.153a3d7aacc7d67d89a9.js152 ms129 ms1.7 ms
static.tradingview.com/static/bundles/ipo-calendar.0d967d97117fe2e6c6e1.js100 ms52 ms3.6 ms
/static/bundles/alerts-notifications.957f2b3cf77bb17c9bb6.js96 ms90 ms5.0 ms
static.tradingview.com/static/bundles/28452.011e3ab4caef297206bd.js85 ms29 ms2.2 ms
securepubads.g.doubleclick.net/tag/js/gpt.js82 ms71 ms9.7 ms
accounts.google.com/gsi/client78 ms59 ms18 ms
/static/bundles/chart-header-market-status.14b8907f7f3218...76 ms74 ms0.8 ms
static.tradingview.com/static/bundles/toast-layer.2803415bcfcb3ab3cde1.js74 ms48 ms19 ms
static.tradingview.com/static/bundles/runtime.8b8fe1e1951a8a89bc18.js61 ms28 ms21 ms
/static/bundles/ticker-card-with-chart-content.026d3b7750...59 ms54 ms2.5 ms
static.tradingview.com/static/bundles/99827.1a1981536d95e5aad54c.js57 ms47 ms8.0 ms
static.tradingview.com/static/bundles/economic-calendar.32fa94fd2a277a792fab.js50 ms43 ms4.4 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
Other6.7 s
Script Evaluation5.6 s
Style & Layout4.4 s
Rendering1.9 s
Script Parsing & Compilation538 ms
Parse HTML & CSS369 ms
Garbage Collection211 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable
Pages with WebSocket cannot enter back/forward cache.Pending browser support

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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 0.0 ms 428.5 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604130101/pubads_impl.js187.5 KiB143.6 KiB
static.tradingview.com/static/bundles/toast-layer.2803415bcfcb3ab3cde1.js77.8 KiB77.0 KiB
accounts.google.com/gsi/client95.4 KiB71.1 KiB
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E0156.2 KiB65.3 KiB
static.tradingview.com/static/bundles/41966.06597657fc835f300662.js59.0 KiB25.1 KiB
static.tradingview.com/static/bundles/99827.1a1981536d95e5aad54c.js34.0 KiB24.5 KiB
static.tradingview.com/static/bundles/26731.1752bf88905d9db6ef4e.js35.9 KiB21.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
static.tradingview.com/static/bundles/platform.ad5fd4590dfbd9ecb2e5.webm4.9 MiB
www.tradingview.com/219.3 KiB
/static/bundles/space-mobile-vertical.e528315c2da8a7f7195...208.0 KiB
/pagead/managed/js/gpt/m202604130101/pubads_impl.js187.6 KiB
/events?from=2026-04-16T15%3A00%3A00.000Z&to=2026-05-16T1...183.1 KiB
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E0156.6 KiB
accounts.google.com/gsi/client96.2 KiB
static.tradingview.com/static/bundles/25995.71e6c55625d264741827.js91.8 KiB
/static/bundles/rocket-flight-phone-light.74883ebf14e8670...91.4 KiB
static.tradingview.com/static/bundles/runtime.8b8fe1e1951a8a89bc18.js79.9 KiB

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

●Layout shift culprits
●Optimize DOM size
●Font display
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Reduce unused CSS
●User Timing marks and measures 23 user timings
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 2 animated elements found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 170 ms
●Server Backend Latencies 120 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 20 ms
●Avoid large layout shifts 10 layout shifts found
○INP breakdown
○LCP request discovery
88

Accessibility

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

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G

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

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
head > meta head > meta

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
FEATURED div.items-IJWxYDAe > div.container-gFu2m6yn > div.featuredBadge-gFu2m6yn > a.badge-broker-GgBZrZ6D
Stocks div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
ETFs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Bonds div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Crypto coins div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
CEX pairs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
DEX pairs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Stocks div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
ETFs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Economic div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Earnings div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Dividends div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Macro Maps div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
News Flow div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Pine Script® div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Mobile div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Desktop div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Social network div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Wall of Love div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Refer a friend div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
House Rules div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Moderators div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Trading div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Education div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Freelancers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Paid Spaces div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Features div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Pricing div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Market data div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Gift plans div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Overview div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Top brokers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Who we are div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Space mission div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Careers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Media kit div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Tarot cards for traders div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
The C63 TradeTime div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Terms of Use div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Disclaimer div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Privacy Policy div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Cookies Policy div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Advanced Charts div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Trading Platform div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Partner program div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Education program div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ

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
●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
●`button`, `link`, and `menuitem` elements have accessible names
●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
●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
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
○`[accesskey]` values are unique
○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
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○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.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
static.tradingview.com/static/bundles/68044.9b993c75068f9daf735e.js line 7, col 2555

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
accounts.google.com/gsi/client line 85, col 88
[GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token.
www.tradingview.com/
Not signed in with the identity provider.
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Ensure proper origin isolation with COOP
○Mitigate clickjacking with XFO or CSP
85

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.tradingview.com/support/More

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G

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
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

62
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
85
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

1.86 s

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

2.37 s

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

309 ms

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

0.002

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

2.71 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.

4.67 s

Detailed Report

Audit breakdown by category with detailed findings.

62

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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:109.152 source:map[column:826 line:42 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.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:228.413 source:map[type:text value:[unattributed]]] map[reflowTime:1.582 source:map[column:2067 line:31 type:source-location url:https://static.tradingview.com/static/bundles/26731.1752bf88905d9db6ef4e.js urlProvider:network]] map[reflowTime:71.094 source:map[column:2350 line:2 type:source-location url:https://static.tradingview.com/static/bundles/30454.44a68f26d00c178ee0eb.js urlProvider:network]] map[reflowTime:6.013 source:map[column:1575 line:3 type:source-location url:https://static.tradingview.com/static/bundles/57028.f96062f1ea812ace584c.js urlProvider:network]] map[reflowTime:104.62 source:map[column:629 line:32 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.js urlProvider:network]] map[reflowTime:4.367 source:map[column:765 line:10 type:source-location url:https://static.tradingview.com/static/bundles/pretty-histogram-chart-content.0efe569dd1324a1c141e.js urlProvider:network]] map[reflowTime:0.165 source:map[column:1257 line:33 type:source-location url:https://static.tradingview.com/static/bundles/41966.06597657fc835f300662.js urlProvider:network]]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.wrapper-b31obTJx > div.illustrationWrapper-b31obTJx > picture.illustration-b31obTJx > img.illustration-b31obTJx div.wrapper-b31obTJx > div.illustrationWrapper-b31obTJx > picture.illustration-b31obTJx > img.illustration-b31obTJx
static.tradingview.com/static/bundles/space-desktop.a262e30221f5eb9925ba.webp547.9 KiB525.6 KiB
div.auroraWrapper-ZlCfCIuJ > div.aurora-ZlCfCIuJ > picture > img.auroraImg-ZlCfCIuJ div.auroraWrapper-ZlCfCIuJ > div.aurora-ZlCfCIuJ > picture > img.auroraImg-ZlCfCIuJ
static.tradingview.com/static/bundles/aurora.9fb1100135d77f0193c8.webp50.4 KiB43.6 KiB
div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img
static.tradingview.com/static/bundles/scott-poteet.c12e24b75a24dbd6dea6.webp6.5 KiB6.1 KiB

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.

URLTransfer SizeDuration
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static.tradingview.com/static/bundles/99109.ed06e63a465224e9fb1e.css3.6 KiB64 ms
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static.tradingview.com/static/bundles/19668.4135014fe67b7749e083.css3.4 KiB
static.tradingview.com/static/bundles/6439.61b75402375a5b178e19.css850 B
static.tradingview.com/static/bundles/34100.74831a74a4a21382db67.css1.7 KiB
static.tradingview.com/static/bundles/95026.0f7c140019a67fd50be6.css598 B
static.tradingview.com/static/bundles/73023.fd990e181d115221d18a.css1.6 KiB
static.tradingview.com/static/bundles/86536.081f9637b94ee62a6e6f.css1.7 KiB
static.tradingview.com/static/bundles/59247.e13e69b7450cf445de19.css1.3 KiB
static.tradingview.com/static/bundles/1207.72da660f3dbfe23d51f2.css1.6 KiB64 ms
static.tradingview.com/static/bundles/57467.d368caa64d494a4087cc.css4.1 KiB
static.tradingview.com/static/bundles/11142.2c77730d1125a4985bdc.css1.1 KiB
static.tradingview.com/static/bundles/48607.f298843ff396b4b7b4c7.css5.2 KiB
static.tradingview.com/static/bundles/50858.f6a917ea9b9f0bfa28ef.css4.0 KiB341 ms
static.tradingview.com/static/bundles/37833.8457808decfdb6b99100.css1.2 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
s3-symbol-logo.tradingview.com/madison-air-solutions.svg300.0 s1.4 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

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: 261 ms
URLTime Spent
tradingview.com/261 ms
www.tradingview.com/0.0 ms

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.

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.

URLTotal CPU TimeScript EvaluationScript Parse
www.tradingview.com/1.5 s87 ms5.7 ms
static.tradingview.com/static/bundles/41966.06597657fc835f300662.js1.4 s242 ms4.6 ms
Unattributable591 ms7.1 ms0.0 ms
static.tradingview.com/static/bundles/29365.438fd979971c174d6b81.js468 ms210 ms2.5 ms
static.tradingview.com/static/bundles/main_page.9f3d3122f5dfbd8e53ed.js419 ms316 ms2.6 ms
/pagead/managed/js/gpt/m202604130101/pubads_impl.js171 ms67 ms13 ms
static.tradingview.com/static/bundles/base.ab928edb76c0f6dab3d9.js160 ms147 ms0.1 ms
/static/bundles/lightweight-minichart-social.6188708e2514...71 ms51 ms0.7 ms
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E070 ms57 ms11 ms
static.tradingview.com/static/bundles/70071.d4a1dac32e09c927c721.js70 ms69 ms0.5 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
Other1.9 s
Script Evaluation1.6 s
Style & Layout1.2 s
Rendering574 ms
Script Parsing & Compilation153 ms
Parse HTML & CSS95 ms
Garbage Collection52 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable
Pages with WebSocket cannot enter back/forward cache.Pending browser support

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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 0.0 ms 427.5 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604130101/pubads_impl.js187.5 KiB142.2 KiB
static.tradingview.com/static/bundles/toast-layer.2803415bcfcb3ab3cde1.js77.8 KiB77.0 KiB
accounts.google.com/gsi/client95.4 KiB71.4 KiB
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E0156.2 KiB65.3 KiB
static.tradingview.com/static/bundles/41966.06597657fc835f300662.js59.0 KiB25.1 KiB
static.tradingview.com/static/bundles/99827.1a1981536d95e5aad54c.js34.0 KiB24.5 KiB
static.tradingview.com/static/bundles/26731.1752bf88905d9db6ef4e.js35.9 KiB21.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
static.tradingview.com/static/bundles/platform.ad5fd4590dfbd9ecb2e5.webm4.8 MiB
static.tradingview.com/static/bundles/space-desktop.a262e30221f5eb9925ba.webp549.1 KiB
www.tradingview.com/219.3 KiB
/pagead/managed/js/gpt/m202604130101/pubads_impl.js187.6 KiB
/events?from=2026-04-16T15%3A00%3A00.000Z&to=2026-05-16T1...183.1 KiB
www.googletagmanager.com/gtag/js?id=G-YVVRYGL0E0156.6 KiB
accounts.google.com/gsi/client96.2 KiB
static.tradingview.com/static/bundles/25995.71e6c55625d264741827.js91.8 KiB
/static/bundles/rocket-flight-phone-light.74883ebf14e8670...91.5 KiB
static.tradingview.com/static/bundles/runtime.8b8fe1e1951a8a89bc18.js79.9 KiB

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

●Layout shift culprits
●Optimize DOM size
●Font display
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Reduce unused CSS
●User Timing marks and measures 23 user timings
●Avoid long main-thread tasks 9 long tasks found
●Avoid non-composited animations 2 animated elements found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 170 ms
●Server Backend Latencies 120 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 20 ms
●Avoid large layout shifts 2 layout shifts found
○INP breakdown
○LCP request discovery
85

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
Search div.tv-header__area > div.tv-header-search-container > button.tv-header-search-container > span.tv-header-search-container__text

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G

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

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
head > meta head > meta

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
FEATURED div.items-IJWxYDAe > div.container-gFu2m6yn > div.featuredBadge-gFu2m6yn > a.badge-broker-GgBZrZ6D
Stocks div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
ETFs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Bonds div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Crypto coins div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
CEX pairs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
DEX pairs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Stocks div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
ETFs div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Economic div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Earnings div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Dividends div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Macro Maps div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
News Flow div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Pine Script® div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Mobile div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Desktop div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Features div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Pricing div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Market data div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Gift plans div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Overview div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Top brokers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Who we are div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Space mission div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Careers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Media kit div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Tarot cards for traders div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
The C63 TradeTime div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Terms of Use div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Disclaimer div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Privacy Policy div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Cookies Policy div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Social network div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Wall of Love div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Refer a friend div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
House Rules div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Moderators div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Trading div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Education div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Freelancers div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Paid Spaces div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Advanced Charts div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Trading Platform div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Partner program div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ
Education program div.footerLinksColumn-hezxxKBJ > ul.footerLinksColumnList-hezxxKBJ > li > a.footerLinksColumnListItem-hezxxKBJ

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
●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
●`button`, `link`, and `menuitem` elements have accessible names
●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
●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
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
●Elements with visible text labels have matching accessible names.
○`[accesskey]` values are unique
○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
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
static.tradingview.com/static/bundles/68044.9b993c75068f9daf735e.js line 7, col 2555

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
www.tradingview.com/
Not signed in with the identity provider.
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Ensure proper origin isolation with COOP
○Mitigate clickjacking with XFO or CSP
85

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.tradingview.com/support/More

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img div.astronautWrapper-nkb9FHQO > div.astronautContainer-nkb9FHQO > div.astronautAvatar-nkb9FHQO > img
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G
div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G div.items-IJWxYDAe > a.wrap-nj94V3ds > div.titleBlock-nj94V3ds > img.flagIcon-RLEuHy6G

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
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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