Tools & Wizards About Us
lung.org screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

lung.org

Home | American Lung Association

Page Load Speed

3.2 sec in total

First Response

318 ms

Resources Loaded

2.2 sec

Page Rendered

637 ms

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 318 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

lung.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value27.1 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value5,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value33.6 s

0/100

10%

Network Requests Diagram

lung.org

318 ms

www.lung.org

337 ms

10043493-10045003.js

23 ms

home.min.css

39 ms

style.css

284 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 53% of them (30 requests) were addressed to the original Lung.org, 5% (3 requests) were made to Static.addtoany.com and 5% (3 requests) were made to Cdn.userway.org. The less responsive or slowest element that took the longest time to load (938 ms) belongs to the original domain Lung.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.5 kB (26%)

Content Size

767.1 kB

After Optimization

569.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Lung.org main page is 767.1 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. 70% of websites need less resources to load. Javascripts take 462.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.7 kB

  • Original 125.6 kB
  • After minification 109.6 kB
  • After compression 22.9 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 16.0 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 102.7 kB or 82% of the original size.

JavaScript Optimization

-7%

Potential reduce by 33.9 kB

  • Original 462.1 kB
  • After minification 462.1 kB
  • After compression 428.2 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

-34%

Potential reduce by 60.8 kB

  • Original 179.4 kB
  • After minification 179.4 kB
  • After compression 118.6 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 60.8 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (51%)

Requests Now

45

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 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 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

lung.org

lung.org

318 ms

www.lung.org

www.lung.org

337 ms

10043493-10045003.js

10043493-10045003.js

23 ms

home.min.css

home.min.css

39 ms

style.css

style.css

284 ms

optimize.js

optimize.js

95 ms

jquery.min.js

jquery.min.js

69 ms

jquery.validate.min.js

jquery.validate.min.js

81 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

92 ms

polyfill.js

polyfill.js

424 ms

modernizr.min.js

modernizr.min.js

53 ms

home.min.js

home.min.js

63 ms

jquery.swiftype.autocomplete.js

jquery.swiftype.autocomplete.js

77 ms

page.js

page.js

92 ms

deployment.js

deployment.js

579 ms

element.js

element.js

91 ms

sv.js

sv.js

134 ms

gtm.js

gtm.js

201 ms

header-logo.svg

header-logo.svg

130 ms

03_2400x800_A(alt).jpg

03_2400x800_A(alt).jpg

592 ms

120_h.jpg

120_h.jpg

519 ms

capitol3_O.jpg

capitol3_O.jpg

517 ms

weather-o.jpg

weather-o.jpg

518 ms

oxygen_768x512_J.png

oxygen_768x512_J.png

360 ms

get-involved-bg.jpg

get-involved-bg.jpg

312 ms

photo-8.jpg

photo-8.jpg

565 ms

pcn-home-h.jpg

pcn-home-h.jpg

694 ms

sbts_promo-(002).jpg

sbts_promo-(002).jpg

924 ms

community2_c.jpg

community2_c.jpg

785 ms

inhaler_g.jpg

inhaler_g.jpg

742 ms

Home-renno_1100x550_G.jpg

Home-renno_1100x550_G.jpg

886 ms

Beverly_1100x550_G.jpg

Beverly_1100x550_G.jpg

938 ms

844324dc83d98980285a9ab8f3dcb5f0.otf

844324dc83d98980285a9ab8f3dcb5f0.otf

612 ms

79b6167962ee95a91f64e8bd218d6fec.otf

79b6167962ee95a91f64e8bd218d6fec.otf

644 ms

3ab5a6301d79b3e3e3afeca89c2d1695.otf

3ab5a6301d79b3e3e3afeca89c2d1695.otf

703 ms

8c3416edf5002ffe34eaceabde48cf6b.otf

8c3416edf5002ffe34eaceabde48cf6b.otf

703 ms

header-logo.svg

header-logo.svg

719 ms

2685518b-bc6c-422c-8192-19a914616903.js

2685518b-bc6c-422c-8192-19a914616903.js

250 ms

recorder.js

recorder.js

262 ms

widget.js

widget.js

270 ms

fs.js

fs.js

192 ms

MultiNoun.jsonp

MultiNoun.jsonp

421 ms

sm.25.html

sm.25.html

204 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

230 ms

inspectlet.js

inspectlet.js

274 ms

ajax-loader.gif

ajax-loader.gif

497 ms

slick.woff

slick.woff

428 ms

web

web

42 ms

widget_app_base_1717788738291.js

widget_app_base_1717788738291.js

25 ms

1535208951

1535208951

129 ms

cIdPUu10t1

cIdPUu10t1

337 ms

page

page

127 ms

Settings.jsonp

Settings.jsonp

284 ms

main.js

main.js

17 ms

slick.woff

slick.woff

248 ms

ajax-loader.gif

ajax-loader.gif

15 ms

en-US.json

en-US.json

8 ms

Accessibility Review

lung.org accessibility score

85

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

85

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

lung.org

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: