Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

lung.org

Home | American Lung Association

Page Load Speed

22.2 sec in total

First Response

222 ms

Resources Loaded

6.7 sec

Page Rendered

15.3 sec

lung.org screenshot

About Website

Welcome to lung.org homepage info - get ready to check Lung best content for United States right away, or after learning these important things about lung.org

The American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease, through research, education and advocacy.

Visit lung.org

Key Findings

We analyzed Lung.org page load time and found that the first response time was 222 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

lung.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value3,710 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value19.9 s

2/100

10%

Network Requests Diagram

lung.org

222 ms

www.lung.org

413 ms

home.min.css

341 ms

optimize.js

75 ms

sv.js

1165 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 46% of them (28 requests) were addressed to the original Lung.org, 10% (6 requests) were made to Google.com and 7% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Lung.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.4 kB (50%)

Content Size

315.9 kB

After Optimization

159.4 kB

In fact, the total size of Lung.org main page is 315.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 136.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 110.3 kB

  • Original 133.5 kB
  • After minification 116.0 kB
  • After compression 23.2 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. This page needs HTML code to be minified as it can gain 17.5 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.3 kB or 83% of the original size.

JavaScript Optimization

-1%

Potential reduce by 615 B

  • Original 45.7 kB
  • After minification 45.6 kB
  • After compression 45.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-33%

Potential reduce by 45.5 kB

  • Original 136.7 kB
  • After minification 136.7 kB
  • After compression 91.2 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. Lung.org needs all CSS files to be minified and compressed as it can save up to 45.5 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (54%)

Requests Now

48

After Optimization

22

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lung.org accessibility score

92

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-*] attributes do not match their roles

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.

Best Practices

lung.org best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

lung.org SEO score

78

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 Lung.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 Lung.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 Lung. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: