Mobile 375 × 812

Desktop 1440 × 900

Score: 74 / 100
Based on 8 categories, 0 sections
The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.
Weights reflect general web best practices. Individual needs may differ.
Cookie 'ECFG' is missing the Secure flag
Cookie 'ECIE' is missing the Secure flag
Cookie 'ECUNL' is missing the Secure flag
No favicon or icon links detected
Soft 404: server returns HTTP 200 for non-existent pages
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Industry-standard audits powered by Google Lighthouse.
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.
1.82 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.50 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
265 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.071
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.82 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.
4.03 s
Audit breakdown by category with detailed findings.
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.
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.
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 |
|---|---|---|
| www.ecosia.org/static/indexpage/assets/static/index.BP6OOPyK.css | 17.9 KiB | |
| www.ecosia.org/static/indexpage/assets/static/pages.B9FBRlzI.css | 11.8 KiB | 151 ms |
| www.ecosia.org/static/indexpage/assets/static/onRenderClient.C-DIm6IT.css | 3.0 KiB |
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
| URL | Est Savings |
|---|---|
| www.ecosia.org/static/fonts/founders-grotesk/condensed-semibold.woff2 | 10 ms |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
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.
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.
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.ecosia.org/static/indexpage/assets/static/index.BP6OOPyK.css | 17.7 KiB | 15.8 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /gtm.js?id=GTM-M33JXB44>m_auth=yQLXq56VlYmlCpsDKUq5-Q&g... | 144.9 KiB | 86.7 KiB |
| www.ecosia.org/static/indexpage/assets/chunks/chunk-6MlxZnMw.js | 55.6 KiB | 43.8 KiB |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
| Category | Time Spent |
|---|---|
| Script Evaluation | 1.1 s |
| Other | 943 ms |
| Style & Layout | 322 ms |
| Script Parsing & Compilation | 184 ms |
| Rendering | 61 ms |
| Garbage Collection | 41 ms |
| Parse HTML & CSS | 39 ms |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
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 |
|---|
+1
0
1 div.main-header__navigation > nav.main-nav > div > button.base-button |
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 |
|---|---|
/gtm.js?id=GTM-M33JXB44>m_auth=yQLXq56VlYmlCpsDKUq5-Q&g... line 810, col 428 | Executing inline script violates the following Content Security Policy directive 'script-src 'self' *.ecosia.org *.sentry.io *.privacy-center.org 'nonce-17dUOTslC8bUCJ0457+PVg==' www.googleadservices.com www.google.com www.googletagmanager.com *.mountain.com'. Either the 'unsafe-inline' keyword, a hash ('sha256-9YqxMv9QNheCcsZbii2wWS+LUnkAUla7vsZATIm7mNE='), or a nonce ('nonce-...') is required to enable inline execution. The action has been blocked. |
Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.
| Issue type |
|---|
| Content security policy |
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.
Industry-standard audits powered by Google Lighthouse. — Desktop
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.
450 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
563 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
61 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.021
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
550 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
569 ms
Audit breakdown by category with detailed findings.
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.
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.layout__content > div.above-fold-section > picture > img.above-fold-section__background div.layout__content > div.above-fold-section > picture > img.above-fold-section__background | www.ecosia.org/static/indexpage/assets/static/green-2x.pBNQh2G3.avif | 87.5 KiB | 52.0 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.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
| Request | Cache TTL | Transfer Size |
|---|---|---|
| /st?ga_tracking_id=G-0000000&shpt=Ecosia%20-%20the%20sear... | 0.0 ms | 1.1 KiB |
| /st?ga_tracking_id=G-0000000&shpt=Ecosia%20-%20the%20sear... | 0.0 ms | 151 B |
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
| URL | Est Savings |
|---|---|
| www.ecosia.org/static/fonts/founders-grotesk/condensed-semibold.woff2 | 10 ms |
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.
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /gtm.js?id=GTM-M33JXB44>m_auth=yQLXq56VlYmlCpsDKUq5-Q&g... | 144.9 KiB | 86.7 KiB |
| www.ecosia.org/static/indexpage/assets/chunks/chunk-6MlxZnMw.js | 55.6 KiB | 43.7 KiB |
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.ecosia.org/static/indexpage/assets/static/index.BP6OOPyK.css | 17.7 KiB | 14.5 KiB |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
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 |
|---|
+1
0
1 div.main-header__navigation > nav.main-nav > div > button.base-button |
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 |
|---|---|
/gtm.js?id=GTM-M33JXB44>m_auth=yQLXq56VlYmlCpsDKUq5-Q&g... line 810, col 428 | Executing inline script violates the following Content Security Policy directive 'script-src 'self' *.ecosia.org *.sentry.io *.privacy-center.org 'nonce-xLKoj9oHTqnp7iwkLpLXjQ==' www.googleadservices.com www.google.com www.googletagmanager.com *.mountain.com'. Either the 'unsafe-inline' keyword, a hash ('sha256-9YqxMv9QNheCcsZbii2wWS+LUnkAUla7vsZATIm7mNE='), or a nonce ('nonce-...') is required to enable inline execution. The action has been blocked. |
Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.
| Issue type |
|---|
| Content security policy |
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.
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