Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cdn3.ewg.org

Environmental Working Group – EWG's Dirty Dozen™ and Clean Fifteen™ Lists are here! | Environmental Working Group

Page Load Speed

2 sec in total

First Response

210 ms

Resources Loaded

1.1 sec

Page Rendered

689 ms

cdn3.ewg.org screenshot

About Website

Welcome to cdn3.ewg.org homepage info - get ready to check Cdn 3 EWG best content for United States right away, or after learning these important things about cdn3.ewg.org

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Key Findings

We analyzed Cdn3.ewg.org page load time and found that the first response time was 210 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cdn3.ewg.org performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value51,410 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value64.4 s

0/100

10%

Network Requests Diagram

cdn3.ewg.org

210 ms

css_lP9AeLazL3uAIJgMjJcmVFVaqPemnGQnuhZzknYOCEY.css

117 ms

css_kSn3-tpxNOoDs8oj2m2tlDleZmVCm6TGb-zSvDVFXc4.css

128 ms

css_2OJrjE_hXSov1zwd3hKovREx14S1_UfNncoLf4niEeI.css

118 ms

css_apwhVfsOA6srdkSlbEjJAHn7bbMCmyEoXONPuYiKvmU.css

123 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Cdn3.ewg.org, 84% (67 requests) were made to Cdn.ewg.org and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (451 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 640.7 kB (33%)

Content Size

1.9 MB

After Optimization

1.3 MB

In fact, the total size of Cdn3.ewg.org main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 118.8 kB

  • Original 135.1 kB
  • After minification 135.1 kB
  • After compression 16.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 118.8 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 28.6 kB

  • Original 1.2 MB
  • After minification 1.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Cdn 3 EWG images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 221.2 kB

  • Original 348.0 kB
  • After minification 300.4 kB
  • After compression 126.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 221.2 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 272.1 kB

  • Original 311.4 kB
  • After minification 307.9 kB
  • After compression 39.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Cdn3.ewg.org needs all CSS files to be minified and compressed as it can save up to 272.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (36%)

Requests Now

76

After Optimization

49

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn 3 EWG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cdn3.ewg.org accessibility score

87

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best Practices

cdn3.ewg.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

cdn3.ewg.org SEO score

83

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdn3.ewg.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cdn3.ewg.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Cdn 3 EWG. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: